Lexington Weather

Current Conditions [‒] Current Conditions [+]

77.7°F Warmer than last hour.

25.4°C

Muggy

Mostly cloudy

Today: Hi 82 °F

Tonight: Lo 50 °F

Dew Point: 61.3°F Increased 1.9°F since last hour .

Humidity: 57% Increased 3.0% since last hour.

Air Quality Index: 32

Good

(Ozone)

Barometer: 29.63 in S

1003 mb

Rain Rate: 0.00 in/hr

Rain Today: 0.02 in

Rain Saturday: 0.07 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 1 mph

OTHER PERSONAL WEATHER STATIONS

REGIONAL CONDITIONS

NWS Weather Forecast -
Today, Tonight, & Monday through Saturday Night

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Sun Jun 7, 2026 10:34am EDT

Overview:

- Scattered showers and perhaps isolated t-storms this afternoon. Focus across eastern New England where activity may linger into part of the evening. Dry/cooler weather follows tonight into Mon night. - Summerlike heat and humidity returns next week, no notable storms, though a front may bring a period of showers and thunderstorms mid to late week.

Today:

Mostly Sunny then Scattered Showers And T-Storms

Hi 82 °F

Today: Mostly Sunny then Scattered Showers And Thunderstorms

Isolated rain showers between 3pm and 4pm, then scattered showers and thunderstorms. Mostly sunny. High near 82, with temperatures falling to around 72 in the afternoon. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

Tonight:

Scattered Showers And T-Storms then Partly Cloudy

Lo 50 °F

Tonight: Scattered Showers And Thunderstorms then Partly Cloudy

Scattered showers and thunderstorms before 11pm. Partly cloudy, with a low around 50. North wind 3 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Monday:

Sunny

Hi 77 °F

Sunny, with a high near 77. Northeast wind around 7 mph.

Monday Night:

Clear

Lo 53 °F

Clear, with a low around 53. South wind around 7 mph.

Tuesday:

Sunny

Hi 88 °F

Sunny, with a high near 88. West wind around 7 mph.

Tuesday Night:

Mostly Clear

Lo 63 °F

Mostly clear, with a low around 63. Southwest wind around 7 mph.

Wednesday:

Partly Sunny then Slight Chance Rain Showers

Hi 90 °F

A slight chance of rain showers after 2pm. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph.

Wednesday Night:

Chance Showers And T-Storms

Lo 67 °F

Wednesday Night: Chance Showers And Thunderstorms

A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

Thursday:

Chance Showers And T-Storms

Hi 91 °F

Thursday: Chance Showers And Thunderstorms

A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Southwest wind around 8 mph. Chance of precipitation is 30%.

Thursday Night:

Chance Showers And T-Storms then Partly Cloudy

Lo 68 °F

Thursday Night: Chance Showers And Thunderstorms then Partly Cloudy

A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 68. Southwest wind 2 to 7 mph. Chance of precipitation is 30%.

Friday:

Mostly Sunny then Slight Chance Showers And T-Storms

Hi 87 °F

Friday: Mostly Sunny then Slight Chance Showers And Thunderstorms

A slight chance of rain showers between 1pm and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind 3 to 7 mph.

Friday Night:

Slight Chance Showers And T-Storms then Partly Cloudy

Lo 67 °F

Friday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Southwest wind 3 to 7 mph.

Saturday:

Mostly Sunny then Chance Rain Showers

Hi 88 °F

A chance of rain showers after 2pm. Mostly sunny, with a high near 88. Northwest wind 3 to 7 mph. Chance of precipitation is 30%.

Saturday Night:

Chance Rain Showers

Lo 67 °F

A chance of rain showers. Partly cloudy, with a low around 67. Southwest wind around 6 mph.

FULL FORECAST

NWS Hourly Forecast -
Today 1pm through Tue 12am

Issued by:
National Weather Service Boston / Norton, MA
Updated Sun Jun 7, 2026 10:34am EDT

1:00pm

Sunny

80°F
Dew Pt 58°F
Heat Index: 81°F
Wind from W

W 14 mph
Precip: 5%

2:00pm

Partly Sunny

80°F
Dew Pt 58°F
Heat Index: 81°F
Wind from W

W 14 mph
Precip: 14%

3:00pm

Isolated Rain Showers

78°F
Dew Pt 59°F
Wind from NW

NW 14 mph
Precip: 24%

4:00pm

Scattered Showers And Thunderstorms

75°F
Dew Pt 60°F
Wind from NW

NW 14 mph
Precip: 33%

5:00pm

Scattered Showers And Thunderstorms

72°F
Dew Pt 61°F
Wind from NW

NW 13 mph
Precip: 42%

6:00pm

Scattered Showers And Thunderstorms

69°F
Dew Pt 60°F
Wind from NW

NW 12 mph
Precip: 50%
Rain: 0.01 in

7:00pm

Scattered Showers And Thunderstorms

67°F
Dew Pt 60°F
Wind from N

N 10 mph
Precip: 49%

8:00pm

Scattered Rain Showers

65°F
Dew Pt 59°F
Wind from N

N 10 mph
Precip: 48%
Rain: 0.01 in

9:00pm

Scattered Rain Showers

63°F
Dew Pt 58°F
Wind from N

N 9 mph
Precip: 34%
Rain: 0.01 in

10:00pm

Isolated Rain Showers

61°F
Dew Pt 55°F
Wind from N

N 9 mph
Precip: 21%

11:00pm

Mostly Cloudy

59°F
Dew Pt 54°F
Wind from N

N 8 mph
Precip: 7%

Mon
12:00am

Partly Cloudy

58°F
Dew Pt 53°F
Wind from N

N 7 mph
Precip: 5%

Mon
1:00am

Partly Cloudy

56°F
Dew Pt 52°F
Wind from N

N 5 mph
Precip: 3%

Mon
2:00am

Mostly Clear

55°F
Dew Pt 51°F
Wind from N

N 3 mph
Precip: 1%

Mon
3:00am

Clear

53°F
Dew Pt 50°F
Wind from N

N 3 mph
Precip: 1%

Mon
4:00am

Mostly Clear

51°F
Dew Pt 49°F
Wind from NE

NE 3 mph
Precip: 0%

Mon
5:00am

Mostly Clear

51°F
Dew Pt 48°F
Wind from NE

NE 3 mph
Precip: 0%

Mon
6:00am

Sunny

53°F
Dew Pt 47°F
Wind from NE

NE 5 mph
Precip: 0%

Mon
7:00am

Sunny

55°F
Dew Pt 47°F
Wind from NE

NE 5 mph
Precip: 0%

Mon
8:00am

Sunny

58°F
Dew Pt 47°F
Wind from N

N 5 mph
Precip: 0%

Mon
9:00am

Sunny

61°F
Dew Pt 46°F
Wind from N

N 6 mph
Precip: 0%

Mon
10:00am

Sunny

65°F
Dew Pt 45°F
Wind from NE

NE 7 mph
Precip: 0%

Mon
11:00am

Sunny

68°F
Dew Pt 45°F
Wind from NE

NE 7 mph
Precip: 0%

Mon
12:00pm

Sunny

70°F
Dew Pt 44°F
Wind from NE

NE 7 mph
Precip: 0%

Mon
1:00pm

Sunny

73°F
Dew Pt 44°F
Wind from NE

NE 7 mph
Precip: 0%

Mon
2:00pm

Sunny

75°F
Dew Pt 44°F
Wind from NE

NE 6 mph
Precip: 0%

Mon
3:00pm

Sunny

76°F
Dew Pt 44°F
Wind from NE

NE 6 mph
Precip: 0%

Mon
4:00pm

Sunny

76°F
Dew Pt 44°F
Wind from SE

SE 7 mph
Precip: 0%

Mon
5:00pm

Sunny

76°F
Dew Pt 44°F
Wind from SE

SE 7 mph
Precip: 0%

Mon
6:00pm

Clear

74°F
Dew Pt 45°F
Wind from S

S 7 mph
Precip: 0%

Mon
7:00pm

Clear

72°F
Dew Pt 46°F
Wind from S

S 7 mph
Precip: 0%

Mon
8:00pm

Clear

69°F
Dew Pt 47°F
Wind from S

S 7 mph
Precip: 0%

Mon
9:00pm

Clear

65°F
Dew Pt 49°F
Wind from S

S 7 mph
Precip: 0%

Mon
10:00pm

Clear

62°F
Dew Pt 49°F
Wind from SW

SW 7 mph
Precip: 0%

Mon
11:00pm

Mostly Clear

60°F
Dew Pt 49°F
Wind from SW

SW 7 mph
Precip: 0%

Tue
12:00am

Clear

59°F
Dew Pt 48°F
Wind from SW

SW 7 mph
Precip: 0%

VIEW ON NWS WEB SITE

FORECAST DISCUSSION

Area Forecast Discussion
for Boston / Norton, MA

        
000
FXUS61 KBOX 071610
AFDBOX

Area Forecast Discussion
National Weather Service Boston/Norton MA
1210 PM EDT Sun Jun 7 2026

.WHAT HAS CHANGED...

No significant changes to the forecast. 

&&

.KEY MESSAGES...

- Scattered showers and perhaps isolated t-storms this
  afternoon. Focus across eastern New England where activity may
  linger into part of the evening. Dry/cooler weather follows
  tonight into Mon night. 
 
- Summerlike heat and humidity returns next week, no notable
  storms, though a front may bring a period of showers and
  thunderstorms mid to late week.

&&

.DISCUSSION...

KEY MESSAGE 1...Scattered showers and perhaps isolated t-storms this 
afternoon. Focus across eastern New England where activity may 
linger into part of the evening. Dry/cooler weather follows tonight 
into Mon night. 

A dynamic shortwave/cold pool aloft will drop south into the region 
this afternoon. Although the low level moisture will be 
lacking...the dynamics/cold pool aloft will result in several 
hundred J/KG of Cape developing which potentially may approach 1000 
J/Kg near the south coast. This will trigger scattered this 
afternoon with potentially isolated t-storms. Perhaps some gusty 
winds/small hail would be possible if a t-storm is able to develop 
given cold pool aloft and modest T/Td spreads. Activity will focus 
across eastern New England...where it may linger into part of this 
evening. 

Otherwise...drier/cooler air will continue to work into the region 
tonight on northerly flow behind the cold front. Low temps tonight 
will be in the 50s...But some of our typically prone low-lying 
locations will briefly decouple and allow for lows in the middle to 
upper 40s. 

Large high pressure builds across the region Mon into Mon night. 
This will result in sunny skies on Mon with highs in the upper 70s 
to near 80...But cooler upper 60s to lower 70s on parts of the very 
immediate coast with onshore flow. Mainly clear skies with 
light/calm winds Mon night will result in a good night of 
radiational cooling. Low temps Mon night will be in the 40s across 
the outlying locations to generally lower to middle 50s elsewhere. 
However...the Urban Heat Island of Boston will only drop to around 
60 as southwest flow begins to warm advect. 

KEY MESSAGE 2...Summerlike heat and humidity returns next week,
no notable storms, though a front may bring a period of showers
and thunderstorms mid to late week.

Through much of next week, an anomalous ridge extending north toward 
Hudson Bay in Canada favors mainly dry and increasingly hot 
conditions. 850 mb temperatures rise to around +15C Tuesday, then 
increase to around +18C Wednesday through Friday. This should 
support highs in the middle 80s to near 90 Tuesday, followed by 
upper 80s to lower 90s through much of the remainder of the week. 
The first half of next week should feature relatively comfortable 
dewpoints in the 50s. However, by late week, dewpoints rise into the 
60s, leading to a more humid airmass. While outside the forecast 
period, there is a signal for heat to continue into next weekend, 
reflected in CPC outlooks depicting a Slight Risk (20 to 40 percent 
probability) for extreme heat across portions of the Northeast. 
There is still time to assess this signal in forthcoming guidance, 
though heat headlines may eventually be needed for portions of the 
period. In terms of precipitation, there does not appear to be 
anything appreciable on the horizon through much of next week. 
However, a frontal passage later in the week may bring a period of 
showers and thunderstorms as heat and humidity continue to build.

&&

.AVIATION /16Z SUNDAY THROUGH THURSDAY/...

Forecaster Confidence Levels...

Low - less than 30 percent.
Moderate - 30 to 60 percent. 
High - greater than 60 percent.

18z TAF Update...High confidence.

VFR conditions dominate through Monday night. However...scattered 
showers will develop this afternoon with perhaps an isolated t-storm 
or two which may linger into part of the evening across eastern New 
England. This activity may result in briefly lower cigs/vsbys. In 
addition...a brief period mainly MVFR cigs roughly in the 22z to 06z 
may sweep across the region from north to south with the greatest 
risk across eastern MA/Cape and Islands. Outside of those two 
items...VFR conditions right through Monday night. 

As for winds...NW wind gusts of 20-25 knots this afternoon shift to 
the N tonight. Brief N wind gusts of 20-25 knots with the strongest 
near the coast before they gradually diminish or even decouple in 
the typically prone spots overnight. Light NE winds Mon becoming SW 
Mon night.

KBOS Terminal...High confidence in TAF. 

KBDL Terminal...High confidence in TAF.

Outlook /Tuesday through Thursday/...

Tuesday: VFR. Breezy. 

Tuesday Night: VFR. 

Wednesday: VFR. Breezy. Slight chance SHRA.

Wednesday Night: Mainly VFR, with local IFR possible. Breezy.
Chance SHRA, slight chance TSRA.

Thursday: VFR. Breezy. Slight chance SHRA, slight chance TSRA.

&&

.MARINE...

Forecaster Confidence Levels...

Low - less than 30 percent. 
Moderate - 30 to 60 percent. 
High - greater than 60 percent.

Tonight through Monday night...High confidence.

Shortwave/cold front crosses the region by early-mid evening. This 
will bring a surge of N wind gusts of 25 knots especially across our 
eastern waters. Small craft headlines have been posted for most of 
our waters. High pressure building into the region Mon will result 
in winds/seas dropping below small craft headlines from north to 
south...but it may take until late afternoon/early evening across 
our southeast most outer-waters. 

Lastly...will need to watch for a few showers and isolated t-storm 
developing nearshore later today into early this evening... 
particularly near the south coast. Gusty winds/small hail and 
lightning possible with any t-storm. 

Outlook /Tuesday through Thursday/...

Monday Night through Tuesday: Winds less than 25 kt. Seas
locally approaching 5 ft. 

Tuesday Night: Winds less than 25 kt. Areas of seas approaching
5 ft. 

Wednesday: Low risk for Small Craft Advisory winds with gusts
up to 25 kt. Areas of seas approaching 5 ft. 

Wednesday Night: Low risk for Small Craft Advisory winds with
gusts up to 25 kt. Seas up to 5 ft. Chance of rain showers,
slight chance of thunderstorms. 

Thursday: Winds less than 25 kt. Seas up to 5 ft. Chance of
rain showers, slight chance of thunderstorms. 

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory until 8 AM EDT Monday for ANZ254>256.

&&

$$

DISCUSSION...Frank/Dooley
AVIATION...Frank/Dooley
MARINE...Frank/Dooley

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