Today
Expect partly cloudy. Daytime high +66°, overnight low +46°. Light wind, up to 13 mph. No rain expected.
Weather in Groton
United States · Massachusetts · 42.6112, -71.5745
Today Now 12:36 AM
+54° Partly cloudy
Hourly forecast
Today10/30
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear: daytime +52°, nighttime +36°, about 14° colder.
Week
Seven days ahead fall within +32°…+68°. Peak warmth: Mon, +68°. Nighttime weekly low: +32° (Sun). Precipitation expected: Thu. Clear days — 3.
Week vs norm
- Today 10/30 +66° +10° usually +56°
- Tomorrow 10/31 +52° −4° usually +56°
- Sun 11/1 +57° +2° usually +55°
- Mon 11/2 +68° +13° usually +55°
- Tue 11/3 +63° +8° usually +54°
- Wed 11/4 +55° +1° usually +54°
- Thu 11/5 +57° +4° usually +54°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 30
Today is warmer than usual for this date.
- Heat record +71° 1994
- Cold record +23° 2020
- Most precipitation 2.0 in 2017
- Strongest gust 67 mph 2017
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Groton
Today is about 4° warmer than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +33° / +19° | +26° | 3.5 |
| Feb | +36° / +20° | +28° | 3.1 |
| Mar | +44° / +28° | +35° | 4.3 |
| Apr | +56° / +38° | +47° | 3.9 |
| May | +67° / +49° | +57° | 3.6 |
| Jun | +77° / +58° | +67° | 3.8 |
| Jul | +83° / +64° | +73° | 3.8 |
| Aug | +81° / +63° | +71° | 3.7 |
| Sep | +74° / +56° | +64° | 3.7 |
| Oct | +62° / +45° | +52° | 3.9 |
| Nov | +50° / +34° | +41° | 3.4 |
| Dec | +39° / +25° | +31° | 4.4 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:17 AM | 5:41 PM
Moon
9:24 PM | 12:41 PM
Moon phase
Waning gibbous 74%
Next solar eclipse
Calculating for this city…