Lexington Weather

Current Conditions [‒] Current Conditions [+]

48.0°F Warmer than last hour.

8.9°C

Chilly

Few Clouds

Today: Hi 60 °F

Tonight: Lo 35 °F

Dew Point: 45.1°F Increased 3.6°F since last hour .

Humidity: 90% Decreased 3.0% since last hour.

Air Quality Index: 48

Good

(Fine Particles)

Barometer: 29.84 in S

1010 mb

Rain Rate: 0.00 in/hr

Rain Today: 0.00 in

Rain Wednesday: 0.00 in

Visibility: 10 miles

Wind:

Now: 1 mph

Avg: Calm

Gusts: 1 mph

OTHER PERSONAL WEATHER STATIONS

REGIONAL CONDITIONS

NWS Weather Forecast -
Today, Tonight, & Friday through Wednesday Night

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Thu Apr 23, 2026 7:40am EDT

Overview:

- Decreasing clouds early this morning, then turning dry with northwesterly breezes.

- Dry weather then largely prevails late this week into mid next week, with a possible limited exception being this weekend in far western New England. Cooler than normal temperatures with onshore flow, too.

Today:

Mostly Sunny

Hi 60 °F

Mostly sunny, with a high near 60. Northwest wind 6 to 13 mph, with gusts as high as 28 mph.

Tonight:

Mostly Clear

Lo 35 °F

Mostly clear, with a low around 35. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.

Friday:

Sunny

Hi 55 °F

Sunny, with a high near 55. North wind around 7 mph.

Friday Night:

Partly Cloudy

Lo 33 °F

Partly cloudy, with a low around 33. Northeast wind 2 to 6 mph.

Saturday:

Partly Sunny

Hi 52 °F

Partly sunny, with a high near 52. East wind 3 to 7 mph.

Saturday Night:

Slight Chance Rain Showers

Lo 39 °F

A slight chance of rain showers between 8pm and 5am. Mostly cloudy, with a low around 39. South wind 2 to 6 mph. Chance of precipitation is 20%.

Sunday:

Partly Sunny

Hi 58 °F

Partly sunny, with a high near 58. Northeast wind 3 to 7 mph.

Sunday Night:

Mostly Cloudy

Lo 41 °F

Mostly cloudy, with a low around 41. Northeast wind 2 to 6 mph.

Monday:

Partly Sunny

Hi 58 °F

Partly sunny, with a high near 58. Northeast wind 2 to 8 mph.

Monday Night:

Slight Chance Rain Showers

Lo 42 °F

A slight chance of rain showers after 9pm. Mostly cloudy, with a low around 42. Northeast wind 2 to 7 mph.

Tuesday:

Chance Rain Showers

Hi 57 °F

A chance of rain showers. Partly sunny, with a high near 57. East wind 3 to 9 mph. Chance of precipitation is 40%.

Tuesday Night:

Rain Showers Likely

Lo 44 °F

Rain showers likely. Mostly cloudy, with a low around 44. Southeast wind 5 to 8 mph. Chance of precipitation is 60%.

Wednesday:

Chance Rain Showers

Hi 54 °F

A chance of rain showers. Mostly cloudy, with a high near 54. East wind around 7 mph. Chance of precipitation is 50%.

Wednesday Night:

Chance Rain Showers

Lo 44 °F

A chance of rain showers. Mostly cloudy, with a low around 44. Northeast wind around 6 mph.

FULL FORECAST

NWS Hourly Forecast -
Today 8am through Fri 7pm

Issued by:
National Weather Service Boston / Norton, MA
Updated Thu Apr 23, 2026 7:40am EDT

8:00am

Mostly Sunny

46°F
Dew Pt 42°F
Wind Chill: 43°F
Wind from W

W 6 mph
Precip: 0%

9:00am

Mostly Sunny

48°F
Dew Pt 40°F
Wind Chill: 45°F
Wind from NW

NW 7 mph
Precip: 0%

10:00am

Mostly Sunny

53°F
Dew Pt 38°F
Wind from NW

NW 9 mph
Precip: 0%

11:00am

Mostly Sunny

55°F
Dew Pt 31°F
Wind from NW

NW 10 mph
Precip: 0%

12:00pm

Mostly Sunny

56°F
Dew Pt 31°F
Wind from NW

NW 12 mph
Precip: 0%

1:00pm

Mostly Sunny

58°F
Dew Pt 28°F
Wind from NW

NW 13 mph
Precip: 0%

2:00pm

Sunny

59°F
Dew Pt 25°F
Wind from NW

NW 13 mph
Precip: 0%

3:00pm

Mostly Sunny

59°F
Dew Pt 24°F
Wind from NW

NW 13 mph
Precip: 0%

4:00pm

Sunny

59°F
Dew Pt 22°F
Wind from NW

NW 13 mph
Precip: 0%

5:00pm

Sunny

58°F
Dew Pt 20°F
Wind from NW

NW 12 mph
Precip: 0%

6:00pm

Mostly Clear

57°F
Dew Pt 20°F
Wind from NW

NW 10 mph
Precip: 0%

7:00pm

Mostly Clear

54°F
Dew Pt 20°F
Wind from NW

NW 9 mph
Precip: 0%

8:00pm

Mostly Clear

50°F
Dew Pt 21°F
Wind Chill: 47°F
Wind from N

N 8 mph
Precip: 0%

9:00pm

Mostly Clear

48°F
Dew Pt 26°F
Wind Chill: 45°F
Wind from N

N 7 mph
Precip: 0%

10:00pm

Mostly Clear

45°F
Dew Pt 25°F
Wind Chill: 42°F
Wind from N

N 6 mph
Precip: 0%

11:00pm

Clear

43°F
Dew Pt 25°F
Wind Chill: 39°F
Wind from N

N 6 mph
Precip: 0%

Fri
12:00am

Clear

42°F
Dew Pt 25°F
Wind Chill: 38°F
Wind from N

N 6 mph
Precip: 0%

Fri
1:00am

Clear

40°F
Dew Pt 25°F
Wind Chill: 37°F
Wind from NW

NW 5 mph
Precip: 0%

Fri
2:00am

Clear

39°F
Dew Pt 25°F
Wind Chill: 36°F
Wind from NW

NW 5 mph
Precip: 0%

Fri
3:00am

Mostly Clear

38°F
Dew Pt 25°F
Wind Chill: 34°F
Wind from NW

NW 5 mph
Precip: 0%

Fri
4:00am

Clear

36°F
Dew Pt 25°F
Wind Chill: 32°F
Wind from NW

NW 5 mph
Precip: 0%

Fri
5:00am

Mostly Clear

35°F
Dew Pt 26°F
Wind Chill: 30°F
Wind from NW

NW 6 mph
Precip: 0%

Fri
6:00am

Sunny

36°F
Dew Pt 26°F
Wind Chill: 31°F
Wind from NW

NW 6 mph
Precip: 0%

Fri
7:00am

Sunny

37°F
Dew Pt 27°F
Wind Chill: 32°F
Wind from NW

NW 6 mph
Precip: 0%

Fri
8:00am

Sunny

40°F
Dew Pt 28°F
Wind Chill: 35°F
Wind from N

N 7 mph
Precip: 0%

Fri
9:00am

Sunny

44°F
Dew Pt 28°F
Wind Chill: 40°F
Wind from NW

NW 7 mph
Precip: 0%

Fri
10:00am

Sunny

47°F
Dew Pt 27°F
Wind Chill: 44°F
Wind from N

N 7 mph
Precip: 0%

Fri
11:00am

Sunny

48°F
Dew Pt 26°F
Wind Chill: 45°F
Wind from N

N 7 mph
Precip: 0%

Fri
12:00pm

Sunny

50°F
Dew Pt 25°F
Wind Chill: 47°F
Wind from N

N 7 mph
Precip: 0%

Fri
1:00pm

Sunny

52°F
Dew Pt 25°F
Wind from N

N 7 mph
Precip: 0%

Fri
2:00pm

Sunny

53°F
Dew Pt 25°F
Wind from N

N 7 mph
Precip: 0%

Fri
3:00pm

Mostly Sunny

54°F
Dew Pt 25°F
Wind from N

N 7 mph
Precip: 0%

Fri
4:00pm

Mostly Sunny

54°F
Dew Pt 25°F
Wind from N

N 7 mph
Precip: 0%

Fri
5:00pm

Mostly Sunny

55°F
Dew Pt 26°F
Wind from N

N 7 mph
Precip: 0%

Fri
6:00pm

Partly Cloudy

52°F
Dew Pt 27°F
Wind from N

N 6 mph
Precip: 0%

Fri
7:00pm

Partly Cloudy

51°F
Dew Pt 28°F
Wind from NE

NE 6 mph
Precip: 0%

VIEW ON NWS WEB SITE

FORECAST DISCUSSION

Area Forecast Discussion
for Boston / Norton, MA

        
000
FXUS61 KBOX 230709
AFDBOX

Area Forecast Discussion
National Weather Service Boston/Norton MA
309 AM EDT Thu Apr 23 2026

.WHAT HAS CHANGED...
Bumped up wind gusts for late this morning into the afternoon.
No other significant changes were needed.

&&

.KEY MESSAGES...

- Decreasing clouds early this morning, then turning dry with 
northwesterly breezes.

- Dry weather then largely prevails late this week into mid next 
week, with a possible limited exception being this weekend in far 
western New England. Cooler than normal temperatures with onshore 
flow, too.

&&

.DISCUSSION...
KEY MESSAGE 1...Decreasing clouds early this morning, then turning 
dry with northwesterly breezes.

Overcast conditions carrying over from the evening/overnight still 
continue early this morning, although recent trends show the western 
and northwestern edge of the low cloud deck is beginning to erode. 
This cloud cover should have a short shelf-life, as a cold front now 
nearing the northwest NY/VT/Quebec border is expected to move 
through Southern New England during the mid morning to noontime 
period. Though it was looking like this feature could bring some 
isolated showers, that now looks unlikely. Instead, it will bring 
rapid clearing/full sun and a deepening mixed layer which will allow 
for dewpoints crashing through the 20s and northwesterly breezes. 
Gusts up to 30 mph through the afternoon in most locations, with 
full sun. With highs in the mid 50s to lower 60s today, relative 
humidities are expected to tumble down to around 25-30 percent. 
Although the combo of gusty northwest winds and this dry air are 
signals for fire weather concerns, feedback from state forestry 
partners suggests fuels are not especially receptive to burning in 
light of the recent cool temperatures and spotty showers, so we've 
refrained from fire weather headlines. Gusty northwest winds begin 
to slacken some by evening, with winds becoming light NW and should 
allow for a pretty chilly night in the 30s, which will be the first 
of several rather cool nights on tap. 

KEY MESSAGE 2...Dry weather then largely prevails late this week 
into mid next week, with a possible limited exception being this 
weekend in far western New England. Cooler than normal temperatures 
with onshore flow, too.

Expansive surface ridge of high pressure from Quebec then governs 
our weather pattern for late this week into mid next week, to go 
along with cyclonic flow aloft associated with the western periphery 
of a closed upper level circulation over ME and Atlantic Canada. 
This upper circulation is associated with an anomalously cool 
airmass (e.g. 925 mb temps around 0 to +4C / 850 mb temps around -1 
to -5C). This will keep temperatures on the cooler end of late-April 
normals; strong diurnal ranges leading to cool nights, to go along 
with onshore flow near the coasts. Could have some scattered lower 
clouds in eastern MA on Friday, but most of the time is by-and-large 
mostly clear and dry. Highs in the mid to upper 40s near the 
immediate eastern coast and into the mid 50s Fri thru the weekend, 
with good radiational cooling leading to chilly nights in the 30s. 
It looks like it will take until closer to mid next week before 
temperatures resemble late-April normals.

A possible exception to precip chances is later Saturday into Sunday 
in far western MA and western CT. Coarser-resolution global guidance 
shows a NW-to-SE oriented precip shield, associated with a closed 
low north of the upper Midwest, which could spread clouds and 
precipitation into the Berkshires and portions of northern CT. Some 
ensemble members even develop a weak low pressure along it as it 
moves into the waters on Sunday. NBM PoP shows lower chances for 
showers into those aforementioned areas; think its eastern extent is 
pretty overdone though given the dry airmass (PWATs as low as 0.3") 
and mid-level squeeze-play suppressive-confluent flow owing to the 
nearby closed low to our northeast. Any precip would be more in the 
from a raw plain rain in this period, but cloud cover is a better 
shot than measurable precip is. 

&&

.AVIATION /06Z THURSDAY THROUGH MONDAY/...
Forecaster Confidence Levels...

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

06z TAF Update: 

Through 12z Thursday: High confidence in TAF/trends but moderate
on timing. 

Initial MVFR ceilings, with IFR ceilings restricted to the Cape
and Islands and ORH. Conditions should be beginning to improve
toward an MVFR-VFR between 09-12z at least for sites near/north
of the Mass Pike. Visby reductions from mist now looks 
unlikely. S winds 5-10 kt, though becoming light SW toward 12z
Thurs. 

Today: High confidence in TAF/trends but moderate on timing. 

Leftover MVFR ceilings should begin to scatter and lift this
morning to full VFR with passage of a cold front during the
13-17z timeframe from north to south. VFR upon frontal passage,
but it will bring a period of gusty northwest winds, with speeds
around 10-13 kt with gusts 23-28 kt. 

Tonight: High confidence. 

VFR. Decreasing trends to NW winds, to 5 kt or less by 
overnight.

Friday: High confidence. 

VFR should predominate; a low probability of lower-VFR/MVFR 
ceilings Fri late morning/noontime near the east MA coast as 
modest onshore flow develops. Light north winds, with ENE/ESE
winds 5-10 kt developing along the eastern MA coast.

KBOS Terminal...High confidence in TAF. MVFR ceilings to begin
to improve to VFR around 11-12z. SSW winds around 5 kt then 
shift to NW and become gusty by 14-15z, with speeds around 
13-15 kt with gusts 25-28 kt.

KBDL Terminal...High confidence in TAF. MVFR ceilings to begin
to improve to VFR around 09-10z. S winds around 5 kt shift to
NNW around 13-14z and increase to 10-13 kt with gusts 22-25 kt.

Outlook /Friday through Monday/...

Friday through Friday Night: VFR. 

Saturday through Sunday: VFR. Slight chance SHRA.

Sunday Night through Monday: VFR. 

&&

.MARINE...
Forecaster Confidence Levels...

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

High confidence through this weekend.

Winds and seas should remain below small craft advisory
thresholds through the weekend. A cold front will flip winds
today to NW with gusts possibly near 20 kt in the nearshore
waters, but better mixing potential over land than over the
cooler waters. Seas 4 ft or less on all waters; there is a low
chance of some 5 footers in ENE flow over the southern waters on
Sunday.

Outlook /Friday through Monday/...

Friday through Friday Night: Winds less than 25 kt. 

Saturday: Winds less than 25 kt. Slight chance of rain showers.

Saturday Night: Winds less than 25 kt. Chance of rain showers. 

Sunday through Monday: Winds less than 25 kt. Slight chance of
rain showers. 

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...None.

&&

$$

DISCUSSION...Loconto
AVIATION...Loconto
MARINE...Loconto

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