Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Tuesday May 20 08:45:00 2025
Station
Time: 08:45
Date: 20 May 2025
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 14:47
Sun
Start civil twilight: 04:44
Sunrise: 05:17
Transit: 12:40
Sunset: 20:04
End civil twilight: 20:38
Azimuth: 95.1°
Altitude: 36.1°
Right ascension: 57.6°
Declination: 20.1°
Solstice: 06/20/2025 10:42:16 PM
Equinox: 09/22/2025 02:19:14 PM
Moon
Rise: 01:46
Transit: 06:59
Set: 12:22
Azimuth: 208.8°
Altitude: 28.7°
Right ascension: 332.7°
Declination: -14.2°
New moon: 05/26/2025 11:02:14 PM
Full moon: 06/11/2025 03:43:43 AM
Phase: Last Quarter
50% full
Temperature (°F)
Current: 52.5
Day Average: 50.6
Day High: 52.5 at 08:44
Day Low: 49.7 at 05:49
Week Average: 60.1
Week High: 71.7 at 12:36:12 PM Sunday
Week Low: 49.7 at 05:49:48 AM Tuesday
Month Average: 62.0
Month High: 89.8 on 05/03/2025
Month Low: 45.5 on 05/12/2025
Year Average: 42.9
Year High: 89.8 on 05/03/2025
Year Low: 9.0 on 01/22/2025
All Time Average: 53.7
All Time High: 103.6 on 07/22/2011
All Time Low: -9.1 on 02/04/2023
Humidity (%)
Current: 66
Day Average: 67
Day High: 69 at 06:21
Day Low: 65 at 00:46
Week Average: 64
Week High: 86 at 02:52:11 AM Sunday
Week Low: 46 at 12:27:20 PM Monday
Month Average: 71
Month High: 96 on 05/06/2025
Month Low: 18 on 05/11/2025
Year Average: 61
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: 41.5
Day Average: 40.1
Day High: 41.7 at 08:39
Day Low: 39.5 at 03:46
Week Average: 47.5
Week High: 61.4 at 12:18:27 AM Sunday
Week Low: 38.7 at 08:24:49 PM Monday
Month Average: 47.5
Month High: 66.9 on 05/17/2025
Month Low: 21.2 on 05/11/2025
Year Average: 29.1
Year High: 66.9 on 05/17/2025
Year Low: -9.1 on 01/22/2025
All Time Average: 40.9
All Time High: 90.5 on 07/01/2009
All Time Low: -28.2 on 02/04/2023
Wind Chill (°F)
Current: 52.5
Day Low: 49.7 at 05:49
Week Low: 49.7 at 05:49:48 AM Tuesday
Month Low: 42.1 on 05/09/2025
Year Low: -4.0 on 01/22/2025
All Time Low: -31.6 on 02/04/2023
Heat Index (°F)
Current: 50.6
Day High: 50.6 at 08:44
Week High: 71.0 at 12:36:12 PM Sunday
Month High: 90.6 on 05/03/2025
Year High: 90.6 on 05/03/2025
All Time High: 119.6 on 06/20/2024
Barometer ( inHg)
Current: 29.835
Day Average: 29.777
Day High: 29.835 at 08:44
Day Low: 29.742 at 00:41
Week Average: 29.558
Week High: 29.835 at 08:44:02 AM Tuesday
Week Low: 29.388 at 01:07:01 AM Sunday
Month Average: 29.905
Month High: 30.311 on 05/12/2025
Month Low: 29.360 on 05/17/2025
Year Average: 29.893
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 -
Week High: 1 at 01:11:45 AM Sunday
Month Average: 1 NE
Month High: 23 on 05/11/2025
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: 3.35
Month High Rate: 2.74 on 05/04/2025
Year: 15.04
Year High Rate: 655.35 on 01/04/2025
All Time High Rate: 655.35 on 04/23/2021