Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Saturday September 13 13:35:00 2025
Station
Time: 13:35
Date: 13 Sep 2025
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 12:34
Sun
Start civil twilight: 05:53
Sunrise: 06:22
Transit: 12:40
Sunset: 18:57
End civil twilight: 19:26
Azimuth: 201.2°
Altitude: 49.3°
Right ascension: 171.9°
Declination: 3.5°
Equinox: 09/22/2025 02:19:14 PM
Solstice: 12/21/2025 10:02:48 AM
Moon
Rise: 22:16
Transit: 05:31
Set: 13:43
Azimuth: 307.1°
Altitude: 0.7°
Right ascension: 68.8°
Declination: 26.7°
New moon: 09/21/2025 03:54:01 PM
Full moon: 10/06/2025 11:47:30 PM
Phase: Last Quarter
58% full
Temperature (°F)
Current: 77.6
Day Average: 63.5
Day High: 81.1 at 12:32
Day Low: 55.2 at 06:21
Week Average: 63.9
Week High: 81.1 at 12:32:09 PM Saturday
Week Low: 53.0 at 06:58:57 AM Tuesday
Month Average: 67.3
Month High: 87.1 on 09/06/2025
Month Low: 53.0 on 09/09/2025
Year Average: 56.3
Year High: 105.1 on 06/24/2025
Year Low: 9.0 on 01/22/2025
All Time Average: 54.0
All Time High: 105.1 on 06/24/2025
All Time Low: -9.1 on 02/04/2023
Humidity (%)
Current: 51
Day Average: 75
Day High: 90 at 07:10
Day Low: 46 at 12:22
Week Average: 73
Week High: 93 at 10:04:47 AM Sunday
Week Low: 37 at 03:00:11 PM Thursday
Month Average: 72
Month High: 93 on 09/07/2025
Month Low: 36 on 09/03/2025
Year Average: 64
Year High: 96 on 03/31/2025
Year Low: 15 on 03/28/2025
All Time Average: 65
All Time High: 100 on 05/17/2011
All Time Low: 4 on 06/13/2023
Dew Point (°F)
Current: 58.0
Day Average: 54.8
Day High: 59.5 at 12:08
Day Low: 51.7 at 06:21
Week Average: 54.5
Week High: 65.3 at 12:00:28 AM Sunday
Week Low: 47.2 at 03:55:42 PM Monday
Month Average: 54.5
Month High: 73.6 on 09/06/2025
Month Low: 47.2 on 09/08/2025
Year Average: 43.0
Year High: 78.3 on 07/17/2025
Year Low: -9.1 on 01/22/2025
All Time Average: 41.2
All Time High: 90.5 on 07/01/2009
All Time Low: -28.2 on 02/04/2023
Wind Chill (°F)
Current: 77.6
Day Low: 55.2 at 06:21
Week Low: 53.0 at 06:58:57 AM Tuesday
Month Low: 53.0 on 09/09/2025
Year Low: -4.0 on 01/22/2025
All Time Low: -31.6 on 02/04/2023
Heat Index (°F)
Current: 77.5
Day High: 81.5 at 12:32
Week High: 81.5 at 12:32:09 PM Saturday
Month High: 95.0 on 09/06/2025
Year High: 116.1 on 07/25/2025
All Time High: 119.6 on 06/20/2024
Barometer ( inHg)
Current: 30.033
Day Average: 30.116
Day High: 30.151 at 00:04
Day Low: 30.032 at 13:31
Week Average: 30.132
Week High: 30.339 at 11:50:03 AM Tuesday
Week Low: 29.907 at 03:41:02 AM Sunday
Month Average: 30.053
Month High: 30.339 on 09/09/2025
Month Low: 29.760 on 09/06/2025
Year Average: 29.927
Year High: 30.611 on 02/02/2025
Year Low: 28.889 on 02/16/2025
All Time Average: 29.961
All Time High: 31.100 on 01/04/2015
All Time Low: 28.625 on 02/07/2020
Wind ( mph)
Current: 0 -
Day Average: 0 ESE
Day High: 10 at 12:43
Week Average: 2 N
Week High: 30 at 08:12:10 PM Tuesday
Month Average: 1 NNE
Month High: 32 on 09/06/2025
Year Average: 2 SW
Year High: 36 on 03/06/2025
All Time Average: 3 WNW
All Time High: 88 on 04/13/2020
Rain ( in - in/hr)
Rate: 0.00
Day: 0.00
Day High Rate: 0.00 at 00:00
Week: 0.83
Week High Rate: 0.62 at 07:41:11 AM Sunday
Month: 1.83
Month High Rate: 5.43 on 09/06/2025
Year: 27.24
Year High Rate: 655.35 on 01/04/2025
All Time High Rate: 655.35 on 04/23/2021