Groton, MA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Groton, MA in one place.
Sunny, with a high near 82. East wind around 3 mph.
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: Jul 23, 2026 10:43 AM EDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Groton, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 10:43 AM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Groton
Friday looks like the warmest upcoming period in Groton at 82 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 9 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 10:43 AM EDT
- Coverage
- 6 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
Mostly clear, with a low around 56. Southwest wind around 5 mph.
Sunny, with a high near 82. Northeast wind 1 to 7 mph.
Mostly clear, with a low around 57. Southeast wind 2 to 7 mph.
Sunny, with a high near 81. Northeast wind 2 to 6 mph.
Partly cloudy, with a low around 59. South wind around 6 mph.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Southwest wind 3 to 7 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 30%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 81. South wind 6 to 9 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly sunny, with a high near 76. Southeast wind around 8 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Northeast wind around 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Sunny
|
82°F |
3 mph
E
|
|
Friday Night
Jul 24
|
Mostly Clear
|
56°F |
5 mph
SW
|
|
Saturday
Jul 25
|
Sunny
|
82°F |
1 to 7 mph
NE
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
57°F |
2 to 7 mph
SE
|
|
Sunday
Jul 26
|
Sunny
|
81°F |
2 to 6 mph
NE
|
|
Sunday Night
Jul 26
|
Partly Cloudy
|
59°F |
6 mph
S
|
|
Monday
Jul 27
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
3 to 7 mph
SW
|
|
Monday Night
Jul 27
|
Chance Showers And Thunderstorms
|
63°F |
7 mph
S
|
|
Tuesday
Jul 28
|
Chance Showers And Thunderstorms
|
81°F |
6 to 9 mph
S
|
|
Tuesday Night
Jul 28
|
Showers And Thunderstorms Likely
|
64°F |
7 mph
S
|
|
Wednesday
Jul 29
|
Showers And Thunderstorms Likely
|
76°F |
8 mph
SE
|
|
Wednesday Night
Jul 29
|
Showers And Thunderstorms Likely
|
63°F |
6 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Groton.
