Groton, MA Weather Forecast
Local 7-day forecast
Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Groton, MA in one place.
A chance of rain showers before 8am. Mostly cloudy, with a high near 52. Southwest wind around 8 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Groton, MA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 20, 2026 3:48 AM EDT.
The active forecast window currently covers Apr 22 to Apr 26, 2026 for Groton, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 3:48 AM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Groton
Thursday looks like the warmest upcoming period in Groton at 62 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Wednesday at about 8 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 3:48 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 38. Southwest wind around 7 mph.
Partly sunny, with a high near 62. Northwest wind 5 to 8 mph.
Mostly cloudy, with a low around 40. Northwest wind around 7 mph.
Mostly sunny, with a high near 62. North wind around 7 mph.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 39. Northeast wind around 7 mph. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 60. East wind around 7 mph. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 41. South wind around 7 mph. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 59. Northeast wind around 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Chance Rain Showers then Mostly Cloudy
|
52°F |
8 mph
SW
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
38°F |
7 mph
SW
|
|
Thursday
Apr 23
|
Partly Sunny
|
62°F |
5 to 8 mph
NW
|
|
Thursday Night
Apr 23
|
Mostly Cloudy
|
40°F |
7 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny
|
62°F |
7 mph
N
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
39°F |
7 mph
NE
|
|
Saturday
Apr 25
|
Chance Rain Showers
|
60°F |
7 mph
E
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
41°F |
7 mph
S
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
59°F |
8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Groton.
