Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Thursday September 23 22:00:00 2021

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 80.9
16:19
80.9
Thursday
85.8
09/15/2021
97.9
06/30/2021
103.6
07/22/2011
°F
Low Temperature: 68.8
03:00
54.6
Tuesday
54.6
09/21/2021
8.1
01/31/2021
-8.6
02/14/2016
°F
High Humidity: 93
07:12
96
Saturday
96
09/02/2021
97
07/09/2021
100
05/17/2011
%
Low Humidity: 59
15:53
44
Sunday
43
09/07/2021
15
03/12/2021
8
03/30/2007
%
High Dewpoint: 70.8
13:03
70.8
Thursday
74.4
09/15/2021
77.6
08/19/2021
90.5
07/01/2009
°F
Low Dewpoint: 64.5
16:00
48.6
Sunday
48.6
09/19/2021
-8.1
03/02/2021
-27.8
02/14/2016
°F
High Barometer: 30.070
00:00
30.385
Tuesday
30.385
09/21/2021
30.550
03/10/2021
31.100
01/04/2015
inHg
Low Barometer: 30.000
17:02
29.910
Saturday
29.575
09/02/2021
29.186
04/30/2021
28.625
02/07/2020
inHg
High Heat Index: 83.8
11:04
83.8
Thursday
93.5
09/15/2021
108.9
06/28/2021
113.7
07/20/2019
°F
Low Wind Chill: 68.8
02:55
54.6
Tuesday
54.6
09/21/2021
-13.3
01/29/2021
-26.5
01/07/2018
°F
High Wind Speed: 23
14:33
23
Thursday
28
09/08/2021
40
03/02/2021
88
04/13/2020
mph
Ave Wind Speed: 5 3 3 3 3 mph
High Rain Rate: 655.35
02:55
655.35
Thursday
655.35
09/09/2021
655.35
04/23/2021
655.35
04/23/2021
in/hr
Rain Total: 0.03
0.62
4.32 32.08 556.48 in
High UV Index: 3.7
13:02
5.0
Saturday
5.2
09/04/2021
7.9
06/26/2021
14.0
07/03/2013
High Solar Radiation: 719
11:01
831
Tuesday
949
09/03/2021
1190
05/13/2021
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
3.23
09:09
397.13
Sunday
397.13
09/19/2021
1132.94
05/02/2021
2946.97
04/08/2020
µg/m³