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 87. West wind around 8 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: Jun 8, 2026 9:25 AM EDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Groton, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 9:25 AM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Groton
Thursday looks like the warmest upcoming period in Groton at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 12 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 9:25 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 62. Southwest wind around 9 mph.
A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. West wind around 9 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 67. West wind 5 to 8 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. West wind 5 to 8 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 89. West wind around 6 mph.
Mostly clear, with a low around 65. West wind around 6 mph.
Mostly sunny, with a high near 89. West wind 3 to 8 mph.
A slight chance of rain showers. Partly cloudy, with a low around 65. Southwest wind around 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Sunny
|
87°F |
8 mph
W
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
62°F |
9 mph
SW
|
|
Wednesday
Jun 10
|
Partly Sunny then Chance Showers And Thunderstorms
|
84°F |
8 to 12 mph
SW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
65°F |
7 to 10 mph
SW
|
|
Thursday
Jun 11
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
90°F |
9 mph
W
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
67°F |
5 to 8 mph
W
|
|
Friday
Jun 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
5 to 8 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
65°F |
5 to 8 mph
SW
|
|
Saturday
Jun 13
|
Mostly Sunny
|
89°F |
6 mph
W
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
65°F |
6 mph
W
|
|
Sunday
Jun 14
|
Mostly Sunny
|
89°F |
3 to 8 mph
W
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers
|
65°F |
7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Groton.
