Stony Brook, NY Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Stony Brook, NY in one place.
Mostly cloudy. High near 76, with temperatures falling to around 72 in the afternoon. Northeast wind 1 to 6 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: May 24, 2026 1:32 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Stony Brook, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:32 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Stony Brook
Wednesday looks like the warmest upcoming period in Stony Brook at 81 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Wednesday at about 3 to 9 mph SW.
The forecast from May 26 through May 30 stays mostly dry.
Forecast Details
- Last updated
- May 24, 2026 1:32 PM EDT
- Coverage
- 5 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 cloudy, with a low around 60.
Partly sunny, with a high near 81.
Mostly cloudy, with a low around 62.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Cloudy
|
76°F |
1 to 6 mph
NE
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
60°F |
5 mph
SW
|
|
Wednesday
May 27
|
Partly Sunny
|
81°F |
3 to 9 mph
SW
|
|
Wednesday Night
May 27
|
Mostly Cloudy
|
62°F |
5 to 8 mph
W
|
|
Thursday
May 28
|
Mostly Sunny
|
77°F |
5 to 8 mph
NW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
57°F |
7 mph
NW
|
|
Friday
May 29
|
Mostly Sunny
|
73°F |
5 to 9 mph
NW
|
|
Friday Night
May 29
|
Partly Cloudy
|
55°F |
5 to 8 mph
NW
|
|
Saturday
May 30
|
Mostly Sunny
|
72°F |
8 mph
NW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
55°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Stony Brook.
