Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Monday May 12 16:15:00 2025

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 75.3
12:57
78.9
Thursday
89.8
05/03/2025
89.8
05/03/2025
103.6
07/22/2011
°F
Low Temperature: 45.5
05:58
45.5
Monday
45.5
05/12/2025
9.0
01/22/2025
-9.1
02/04/2023
°F
High Humidity: 68
06:20
96
Tuesday
96
05/06/2025
96
03/31/2025
100
05/17/2011
%
Low Humidity: 20
11:50
18
Sunday
18
05/11/2025
15
03/28/2025
4
06/13/2023
%
High Dewpoint: 38.9
16:13
60.3
Tuesday
64.8
05/04/2025
64.8
05/04/2025
90.5
07/01/2009
°F
Low Dewpoint: 26.1
09:49
21.2
Sunday
21.2
05/11/2025
-9.1
01/22/2025
-28.2
02/04/2023
°F
High Barometer: 30.311
06:28
30.311
Monday
30.311
05/12/2025
30.611
02/02/2025
31.100
01/04/2015
inHg
Low Barometer: 30.050
16:12
29.655
Saturday
29.655
05/10/2025
28.889
02/16/2025
28.625
02/07/2020
inHg
High Heat Index: 73.7
16:13
78.7
Thursday
90.6
05/03/2025
90.6
05/03/2025
119.6
06/20/2024
°F
Low Wind Chill: 45.5
05:58
42.1
Friday
42.1
05/09/2025
-4.0
01/22/2025
-31.6
02/04/2023
°F
High Wind Speed: 14
10:03
23
Sunday
23
05/11/2025
36
03/06/2025
88
04/13/2020
mph
Ave Wind Speed: 0 3 2 2 3 mph
High Rain Rate: 0.00
00:00
2.28
Tuesday
2.74
05/04/2025
655.35
01/04/2025
655.35
04/23/2021
in/hr
Rain Total: 0.00
2.32
2.83 14.52 688.17 in
High UV Index: 7.0
12:18
8.4
Thursday
8.4
05/08/2025
8.4
05/08/2025
14.0
07/03/2013
High Solar Radiation: 905
12:34
1134
Thursday
1134
05/08/2025
1148
04/16/2025
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
10.630
07:20
27.270
Friday
60.560
05/02/2025
548.035
04/22/2025
5428.570
04/30/2023
µg/m³