Winterstown, PA Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Winterstown, PA in one place.
Rain showers. Mostly cloudy, with a high near 55. Northwest wind 12 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Winterstown, 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: Apr 17, 2026 10:15 AM EDT.
The active forecast window currently covers Apr 19 to Apr 23, 2026 for Winterstown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 10:15 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Winterstown
Wednesday looks like the warmest upcoming period in Winterstown at 70 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Sunday at about 12 to 16 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 10:15 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 before 2am. Partly cloudy, with a low around 36. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 49.
Mostly clear, with a low around 30.
Sunny, with a high near 58.
Partly cloudy, with a low around 47.
A slight chance of rain showers after 8am. Mostly sunny, with a high near 70.
A slight chance of rain showers. Partly cloudy, with a low around 49.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 70.
Mostly clear, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Rain Showers
|
55°F |
12 to 16 mph
NW
|
|
Sunday Night
Apr 19
|
Chance Rain Showers
|
36°F |
9 to 14 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
49°F |
12 to 15 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
30°F |
5 to 14 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
58°F |
5 to 9 mph
E
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
47°F |
9 mph
S
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers
|
70°F |
10 mph
W
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain Showers
|
49°F |
5 to 9 mph
NW
|
|
Thursday
Apr 23
|
Slight Chance Rain Showers then Mostly Sunny
|
70°F |
5 to 8 mph
NW
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
48°F |
7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winterstown.