Lexington Weather

Lexington, Massachusetts, USA

45°F
1/9/2026 4:31pm 
  • Lexington Conditions: Partly cloudy
  • Temperature: 45.0°F / 7.2°CColder 0.5°F than last hour.
  • Dew Point: 40.6°FDecreased 0.4°Fsince last hour.
  • Relative Humidity: 85%Increased 1.0% since last hour.
  • Wind: Wind from S S 1 mph, 10-min avg: Calm, gust: 5 mph
  • Barometer: 30.04 inFalling 0.02 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Trends / Extremes

Outlook Drive

Trends as of Jan 9, 2026 at 4:31pm

TEMP/DEW POINT
°F

Current:  45.0  /  40.6
5 min ago:  45.1  /  40.8
10 min ago:  45.1  /  40.8
15 min ago:  45.1  /  40.8
30 min ago:  45.3  /  40.8
1 hr ago:  45.5  /  41.0

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:  30.04
5 min ago:  30.04
10 min ago:  30.05
15 min ago:  30.05
30 min ago:  30.05
1 hr ago:  30.06

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 4:00pm
Today:  46.4°F at 2:15pm
Thursday:  45.7°F at 1:11pm
January:  46.4°F on Jan 9
2026:  46.4°F on Jan 9
All-Time2:  98.2°F on Jul 24, 2022

LOW TEMPS

Last Hour1:  45.0°F at 4:29pm
Today:  26.2°F at 6:02am
Thursday:  30.6°F at 11:38pm
January:  13.3°F on Jan 5
2026:  13.3°F on Jan 5
All-Time2:  -10.7°F on Feb 14, 2016

HIGH DEW POINTS

Last Hour1:  41.0°F at 4:02pm
Today:  41.4°F at 3:09pm
Thursday:  39.9°F at 11:39am
January:  41.4°F on Jan 9
2026:  41.4°F on Jan 9
All-Time2 80.8°F on Jul 10, 2024

LOW DEW POINTS

Last Hour1:  40.6°F at 4:00pm
Today:  24.4°F at 5:51am
Thursday:  28.2°F at 11:27pm
January:  1.0°F on Jan 1
2026:  1.0°F on Jan 1
All-Time2:  -28.1°F on Feb 4, 2023

BAROMETER HIGHS

Last Hour1:  30.06 in at 4:13pm
Today:  30.29 in at 3:23am
Thursday:  30.27 in at 10:00pm
January:  30.29 in on Jan 9
2026:  30.29 in on Jan 9
All-Time2:  30.89 in on Dec 14, 2024

BAROMETER LOWS

Last Hour1:  30.04 in at 4:27pm
Today:  30.04 in at 4:27pm
Thursday:  29.85 in at 12:01am
January:  29.45 in on Jan 1
2026:  29.45 in on Jan 1
All-Time2:  28.63 in on Feb 7, 2020

HIGH HEAT INDEX

Last Hour1:  N/A
Today:  N/A
Thursday:  N/A
January:  N/A
2026:  N/A
All-Time2 112.7°F on Jun 23, 2025

LOW WIND CHILL

Last Hour1:  41.4°F at 4:16pm
Today:  26.2°F at 6:02am
Thursday:  30.6°F at 11:38pm
January:  3.0°F on Jan 1
2026:  3.0°F on Jan 1
All-Time2:  -33.2°F on Feb 4, 2023

Rain and Wind

RAIN TOTALS3

Last 60 min:  0.00 in
Today:  0.00 in
Thursday:  0.06 in
January:  0.07 in
2026:  0.07 in
All-Time2:  460.68 in

WIND GUSTS 

Recent:  5 mph
Last Hour1:  7 mph at 4:16pm
Today:  16 mph at 12:58pm
Thursday:  5 mph at 1:07pm
January:  16 mph on Jan 9
2026:  16 mph on Jan 9
All-Time2:  41 mph on Dec 18, 2023

1From the top of the hour (04:00pm) 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.