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. High near 60, with temperatures falling to around 58 in the afternoon. Northwest wind around 13 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: Apr 9, 2026 8:34 PM EDT.
The active forecast window currently covers Apr 11 to Apr 16, 2026 for Stony Brook, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 8:34 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Stony Brook
Tuesday looks like the warmest upcoming period in Stony Brook at 74 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Saturday at about 13 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 8:34 PM EDT
- Coverage
- 6 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 41. North wind 3 to 10 mph.
Mostly sunny. High near 56, with temperatures falling to around 54 in the afternoon.
Mostly cloudy, with a low around 46.
Mostly cloudy, with a high near 67.
Mostly cloudy, with a low around 55.
Mostly sunny, with a high near 74.
Mostly cloudy, with a low around 57.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 73.
A slight chance of rain showers before 2am. Mostly cloudy, with a low around 53.
Partly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
60°F |
13 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
41°F |
3 to 10 mph
N
|
|
Sunday
Apr 12
|
Mostly Sunny
|
56°F |
2 to 9 mph
E
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
46°F |
9 mph
S
|
|
Monday
Apr 13
|
Mostly Cloudy
|
67°F |
9 to 13 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
55°F |
8 to 13 mph
SW
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
74°F |
7 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy
|
57°F |
6 to 10 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny then Slight Chance Rain Showers
|
73°F |
6 to 12 mph
SW
|
|
Wednesday Night
Apr 15
|
Slight Chance Rain Showers
|
53°F |
7 to 10 mph
SE
|
|
Thursday
Apr 16
|
Partly Sunny
|
66°F |
9 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Stony Brook.
