Stony Brook, NY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Stony Brook, NY in one place.
Sunny, with a high near 80. Southwest wind 3 to 12 mph.
Local Weather Overview
This forecast page for Stony Brook, 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: Aug 23, 2026 8:27 PM EDT.
The active forecast window currently covers Aug 24 to Aug 30, 2026 for Stony Brook, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 23, 2026 8:27 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Stony Brook
Friday looks like the warmest upcoming period in Stony Brook at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Thursday at about 5 to 13 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 8:27 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
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. West wind 5 to 9 mph.
Sunny, with a high near 80. West wind 5 to 12 mph.
Mostly clear, with a low around 62. West wind 5 to 8 mph.
Sunny, with a high near 82.
Partly cloudy, with a low around 67.
A slight chance of rain showers after 8am. Mostly sunny, with a high near 82.
A slight chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Rain showers likely before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.
Mostly sunny, with a high near 82.
Mostly clear, with a low around 64.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny
|
80°F |
3 to 12 mph
SW
|
|
Monday Night
Aug 24
|
Mostly Clear
|
62°F |
5 to 9 mph
W
|
|
Tuesday
Aug 25
|
Sunny
|
80°F |
5 to 12 mph
W
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
62°F |
5 to 8 mph
W
|
|
Wednesday
Aug 26
|
Sunny
|
82°F |
3 to 7 mph
W
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
67°F |
7 mph
S
|
|
Thursday
Aug 27
|
Slight Chance Rain Showers
|
82°F |
5 to 13 mph
S
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely
|
69°F |
5 to 12 mph
S
|
|
Friday
Aug 28
|
Rain Showers Likely then Slight Chance Showers And Thunderstorms
|
84°F |
5 to 8 mph
S
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
3 to 7 mph
W
|
|
Saturday
Aug 29
|
Mostly Sunny
|
82°F |
6 mph
W
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
64°F |
5 mph
NW
|
|
Sunday
Aug 30
|
Sunny
|
80°F |
7 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Stony Brook.
