Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Saturday December 6 23:20:00 2025

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 41.1
15:30
47.7
Sunday
44.3
12/01/2025
105.1
06/24/2025
105.1
06/24/2025
°F
Low Temperature: 28.6
00:00
12.9
Friday
12.9
12/05/2025
9.0
01/22/2025
-9.1
02/04/2023
°F
High Humidity: 81
13:54
92
Tuesday
92
12/02/2025
96
03/31/2025
100
05/17/2011
%
Low Humidity: 62
01:12
30
Thursday
30
12/04/2025
15
03/28/2025
4
06/13/2023
%
High Dewpoint: 34.8
15:15
45.2
Sunday
40.3
12/01/2025
78.3
07/17/2025
90.5
07/01/2009
°F
Low Dewpoint: 17.3
01:13
-5.6
Friday
-5.6
12/05/2025
-9.1
01/22/2025
-28.2
02/04/2023
°F
High Barometer: 29.973
00:00
30.465
Sunday
30.304
12/05/2025
30.611
02/02/2025
31.100
01/04/2015
inHg
Low Barometer: 29.759
15:24
29.522
Tuesday
29.522
12/02/2025
28.889
02/16/2025
28.625
02/07/2020
inHg
High Heat Index: 40.0
14:40
46.4
Sunday
42.4
12/01/2025
116.1
07/25/2025
119.6
06/20/2024
°F
Low Wind Chill: 28.6
00:00
-1.0
Friday
-1.0
12/05/2025
-4.0
01/22/2025
-31.6
02/04/2023
°F
High Wind Speed: 12
14:41
30
Thursday
30
12/04/2025
36
03/06/2025
88
04/13/2020
mph
Ave Wind Speed: 1 2 2 2 3 mph
High Rain Rate: 0.00
00:00
0.09
Sunday
0.09
12/02/2025
655.35
01/04/2025
655.35
04/23/2021
in/hr
Rain Total: 0.00
0.63
0.41 37.82 711.47 in
High UV Index: 1.6
11:22
2.3
Saturday
2.3
12/01/2025
9.8
07/07/2025
14.0
07/03/2013
High Solar Radiation: 186
14:10
455
Monday
455
12/01/2025
1243
06/01/2025
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
21.910
23:20
92.530
Sunday
21.910
12/06/2025
631.010
07/02/2025
5428.570
04/30/2023
µg/m³