Stonybrook, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Stonybrook, PA in one place.
A chance of rain showers after 8am. Partly sunny, with a high near 68. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Stonybrook, PA 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 19, 2026 12:12 AM EDT.
The active forecast window currently covers May 21 to May 25, 2026 for Stonybrook, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 21 to May 25, 2026
- Latest sync
- May 19, 2026 12:12 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Stonybrook
Memorial Day looks like the warmest upcoming period in Stonybrook at 75 degrees F.
Thursday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Thursday at about 3 to 10 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 19, 2026 12:12 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Rain showers likely. Partly sunny, with a high near 66. Chance of precipitation is 60%.
Rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 80%.
Rain showers before 2pm, then showers and thunderstorms. Cloudy, with a high near 66. Chance of precipitation is 80%.
Showers and thunderstorms. Cloudy, with a low around 54. Chance of precipitation is 80%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 21
|
Chance Rain Showers
|
68°F |
3 to 10 mph
N
|
|
Thursday Night
May 21
|
Chance Rain Showers
|
50°F |
3 mph
NE
|
|
Friday
May 22
|
Rain Showers Likely
|
66°F |
5 to 9 mph
E
|
|
Friday Night
May 22
|
Rain Showers
|
50°F |
6 to 9 mph
SE
|
|
Saturday
May 23
|
Rain Showers
|
66°F |
9 mph
E
|
|
Saturday Night
May 23
|
Showers And Thunderstorms
|
54°F |
5 to 9 mph
E
|
|
Sunday
May 24
|
Rain Showers Likely
|
72°F |
6 mph
E
|
|
Sunday Night
May 24
|
Chance Showers And Thunderstorms
|
57°F |
6 mph
E
|
|
Memorial Day
May 25
|
Chance Rain Showers
|
75°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Stonybrook.