Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Monday September 15 12:45:00 2025
Station
Time: 12:45
Date: 15 Sep 2025
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 12:29
Sun
Start civil twilight: 05:55
Sunrise: 06:24
Transit: 12:39
Sunset: 18:53
End civil twilight: 19:22
Azimuth: 182.2°
Altitude: 50.4°
Right ascension: 173.7°
Declination: 2.7°
Equinox: 09/22/2025 02:19:14 PM
Solstice: 12/21/2025 10:02:48 AM
Moon
Rise: 00:24
Transit: 07:34
Set: 15:48
Azimuth: 282.5°
Altitude: 28.6°
Right ascension: 99.8°
Declination: 27.5°
New moon: 09/21/2025 03:54:01 PM
Full moon: 10/06/2025 11:47:30 PM
Phase: Last Quarter
36% full
Temperature (°F)
Current: 73.5
Day Average: 63.8
Day High: 73.5 at 12:44
Day Low: 59.6 at 06:58
Week Average: 67.3
Week High: 82.7 at 12:53:05 PM Sunday
Week Low: 59.6 at 06:58:12 AM Monday
Month Average: 67.4
Month High: 87.1 on 09/06/2025
Month Low: 53.0 on 09/09/2025
Year Average: 56.4
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: 64
Day Average: 83
Day High: 89 at 05:56
Day Low: 64 at 12:42
Week Average: 76
Week High: 90 at 07:38:30 AM Sunday
Week Low: 45 at 12:54:47 PM Sunday
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: 60.6
Day Average: 58.5
Day High: 62.8 at 12:12
Day Low: 56.4 at 06:58
Week Average: 58.8
Week High: 62.9 at 10:00:08 AM Sunday
Week Low: 56.2 at 06:43:56 AM Sunday
Month Average: 58.8
Month High: 73.6 on 09/06/2025
Month Low: 47.2 on 09/08/2025
Year Average: 43.2
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: 73.5
Day Low: 59.6 at 06:58
Week Low: 59.6 at 06:58:12 AM Monday
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: 73.6
Day High: 73.6 at 12:44
Week High: 83.0 at 12:52:05 PM Sunday
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: 30.234
Day Average: 30.163
Day High: 30.237 at 12:14
Day Low: 30.081 at 00:00
Week Average: 30.048
Week High: 30.237 at 12:14:02 PM Monday
Week Low: 29.939 at 05:21:02 AM Sunday
Month Average: 30.051
Month High: 30.339 on 09/09/2025
Month Low: 29.760 on 09/06/2025
Year Average: 29.928
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 -
Day High: 0 at 00:00
Week Average: 0 NNW
Week High: 10 at 01:21:23 PM Sunday
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: 0.00
Week High Rate: 0.00 at 12:00:04 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