Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Friday October 17 08:50:00 2025

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 50.9
00:01
70.5
Saturday
85.4
10/05/2025
105.1
06/24/2025
105.1
06/24/2025
°F
Low Temperature: 46.3
07:32
38.9
Friday
38.9
10/10/2025
9.0
01/22/2025
-9.1
02/04/2023
°F
High Humidity: 69
07:44
95
Wednesday
95
10/15/2025
96
03/31/2025
100
05/17/2011
%
Low Humidity: 55
00:00
34
Friday
30
10/04/2025
15
03/28/2025
4
06/13/2023
%
High Dewpoint: 38.1
08:44
55.1
Wednesday
67.0
10/07/2025
78.3
07/17/2025
90.5
07/01/2009
°F
Low Dewpoint: 35.0
00:11
31.9
Friday
27.7
10/09/2025
-9.1
01/22/2025
-28.2
02/04/2023
°F
High Barometer: 29.900
08:13
30.495
Friday
30.495
10/10/2025
30.611
02/02/2025
31.100
01/04/2015
inHg
Low Barometer: 29.808
00:32
29.748
Thursday
29.748
10/16/2025
28.889
02/16/2025
28.625
02/07/2020
inHg
High Heat Index: 48.3
00:01
69.5
Saturday
85.5
10/06/2025
116.1
07/25/2025
119.6
06/20/2024
°F
Low Wind Chill: 41.6
07:38
37.9
Friday
37.9
10/10/2025
-4.0
01/22/2025
-31.6
02/04/2023
°F
High Wind Speed: 12
00:17
31
Monday
31
10/13/2025
36
03/06/2025
88
04/13/2020
mph
Ave Wind Speed: 3 4 3 2 3 mph
High Rain Rate: 0.00
00:00
0.48
Monday
2.20
10/08/2025
655.35
01/04/2025
655.35
04/23/2021
in/hr
Rain Total: 0.00
2.29
3.33 32.91 706.56 in
High UV Index: 1.4
08:24
4.0
Wednesday
4.9
10/01/2025
9.8
07/07/2025
14.0
07/03/2013
High Solar Radiation: 63
08:43
775
Wednesday
775
10/15/2025
1243
06/01/2025
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
2.025
06:30
11.820
Sunday
409.960
10/04/2025
631.010
07/02/2025
5428.570
04/30/2023
µg/m³