Lexington Weather

Lexington, Massachusetts, USA

45°F
5/12/2026 5:20am 
  • Lexington Conditions: Overcast
  • Temperature: 45.3°F / 7.4°CWarmer 0.2°F than last hour.
  • Dew Point: 35.8°FDecreased 0.5°Fsince last hour.
  • Relative Humidity: 69%Decreased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.05 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Trends / Extremes

Outlook Drive

Trends as of May 12, 2026 at 5:20am

TEMP/DEW POINT
°F

Current:  45.3  /  35.8
5 min ago:  45.3  /  35.8
10 min ago:  45.3  /  35.4
15 min ago:  45.3  /  35.8
30 min ago:  45.3  /  36.1
1 hr ago:  45.1  /  36.3

WIND
mph

Current:  Calm  
5 min ago:  Calm  
10 min ago:  Calm  
15 min ago:  Calm  
30 min ago:  Calm  
1 hr ago:  Calm  

PRESSURE
in

Current:  30.05
5 min ago:  30.05
10 min ago:  30.05
15 min ago:  30.04
30 min ago:  30.04
1 hr ago:  30.04

RAIN RATE
in/hr

Current:  0.00
5 min ago:  0.00
10 min ago:  0.00
15 min ago:  0.00
30 min ago:  0.00
1 hr ago:  0.00

Extremes

HIGH TEMPS

Last Hour1:  45.3°F at 5:00am
Today:  46.9°F at 12:00am
Monday:  61.9°F at 1:21pm
May:  82.4°F on May 5
2026:  84.4°F on Apr 14
All-Time2:  98.2°F on Jul 24, 2022

LOW TEMPS

Last Hour1:  45.3°F at 5:00am
Today:  43.2°F at 2:41am
Monday:  46.9°F at 11:57pm
May:  40.5°F on May 9
2026:  1.0°F on Jan 31
All-Time2:  -10.7°F on Feb 14, 2016

HIGH DEW POINTS

Last Hour1:  35.8°F at 5:00am
Today:  36.5°F at 4:13am
Monday:  50.2°F at 12:00am
May:  59.4°F on May 10
2026:  62.8°F on Apr 16
All-Time2 80.8°F on Jul 10, 2024

LOW DEW POINTS

Last Hour1:  35.4°F at 5:08am
Today:  34.2°F at 2:18am
Monday:  28.8°F at 3:14pm
May:  27.5°F on May 3
2026:  -12.6°F on Jan 24
All-Time2:  -28.1°F on Feb 4, 2023

BAROMETER HIGHS

Last Hour1:  30.05 in at 5:17am
Today:  30.05 in at 5:17am
Monday:  30.04 in at 7:35am
May:  30.05 in on May 12
2026:  30.64 in on Mar 2
All-Time2:  30.89 in on Dec 14, 2024

BAROMETER LOWS

Last Hour1:  30.04 in at 5:00am
Today:  30.01 in at 12:00am
Monday:  29.94 in at 12:00am
May:  29.62 in on May 7
2026:  29.21 in on Mar 17
All-Time2:  28.63 in on Feb 7, 2020

HIGH HEAT INDEX

Last Hour1:  N/A
Today:  N/A
Monday:  N/A
May:  82.4°F on May 5
2026:  84.2°F on Apr 14
All-Time2 112.7°F on Jun 23, 2025

LOW WIND CHILL

Last Hour1:  45.3°F at 5:00am
Today:  43.2°F at 2:41am
Monday:  46.9°F at 11:57pm
May:  40.5°F on May 9
2026:  -13.4°F on Feb 8
All-Time2:  -33.2°F on Feb 4, 2023

Rain and Wind

RAIN TOTALS3

Last 60 min:  0.00 in
Today:  0.00 in
Monday:  0.01 in
May:  0.68 in
2026:  8.18 in
All-Time2:  468.79 in

WIND GUSTS 

Recent:  None
Last Hour1:  None
Today:  0 mph at 12:00am
Monday:  4 mph at 12:33pm
May:  24 mph on May 4
2026:  37 mph on Mar 17
All-Time2:  41 mph on Dec 18, 2023

1From the top of the hour (05:00am) until now

2Record keeping started on Jun 12, 2015

3Rain totals do not necessarily include melted frozen precipitation. More accurate precipitation information is recorded manually and reported to CoCoRaHS.