Groton, NY Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Groton, NY in one place.
Mostly cloudy, with a low around 56. South wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Groton, NY 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 15, 2026 5:33 AM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Groton, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 5:33 AM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Groton
Wednesday looks like the warmest upcoming period in Groton at 76 degrees F.
Monday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Monday at about 14 to 18 mph NW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 5:33 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BGM
- Radar station
- KBGM
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely before 8am, then showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 76. Southwest wind 6 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 75. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Southwest wind around 7 mph. Chance of precipitation is 70%.
A chance of rain showers before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 65. Chance of precipitation is 50%.
A chance of rain showers before 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
A chance of rain showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Rain showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Rain showers likely before 8pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
A slight chance of snow showers before 2pm. Partly sunny, with a high near 40.
Partly cloudy, with a low around 25.
Sunny, with a high near 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Mostly Cloudy
|
56°F |
5 mph
S
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
76°F |
6 to 12 mph
SW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms
|
60°F |
6 mph
SW
|
|
Thursday
Apr 16
|
Rain Showers Likely
|
75°F |
6 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely
|
56°F |
7 mph
SW
|
|
Friday
Apr 17
|
Chance Showers And Thunderstorms
|
65°F |
6 to 9 mph
W
|
|
Friday Night
Apr 17
|
Chance Rain Showers then Mostly Cloudy
|
49°F |
2 to 7 mph
SW
|
|
Saturday
Apr 18
|
Partly Sunny then Chance Rain Showers
|
73°F |
6 to 12 mph
S
|
|
Saturday Night
Apr 18
|
Rain Showers Likely
|
43°F |
12 mph
S
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
55°F |
12 to 15 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
28°F |
14 mph
W
|
|
Monday
Apr 20
|
Slight Chance Snow Showers
|
40°F |
14 to 18 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
25°F |
7 to 16 mph
W
|
|
Tuesday
Apr 21
|
Sunny
|
54°F |
7 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Groton.