Winterstown, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Winterstown, PA in one place.
A chance of rain showers after 11am. Partly sunny, with a high near 64. East wind 3 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth 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: Oct 14, 2026 3:33 PM EDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Winterstown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 3:33 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Winterstown
Friday looks like the warmest upcoming period in Winterstown at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday Night at about 22 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 3:33 PM EDT
- Coverage
- 6 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
Rain showers likely. Cloudy, with a low around 55. South wind 5 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely. Mostly cloudy, with a high near 77. Southwest wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 52.
Areas of frost after 3am. Mostly clear, with a low around 35.
Areas of frost before 9am. Sunny, with a high near 59.
Mostly clear, with a low around 39.
Sunny, with a high near 63.
Partly cloudy, with a low around 45.
Partly sunny, with a high near 66.
Partly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Chance Rain Showers
|
64°F |
3 to 9 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
55°F |
5 to 15 mph
S
|
|
Friday
Oct 16
|
Rain Showers Likely
|
77°F |
14 to 20 mph
SW
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
44°F |
22 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
52°F |
16 to 21 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear then Areas Of Frost
|
35°F |
3 to 14 mph
NW
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
59°F |
3 to 8 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
6 mph
SW
|
|
Monday
Oct 19
|
Sunny
|
63°F |
3 to 9 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
45°F |
2 to 6 mph
S
|
|
Tuesday
Oct 20
|
Partly Sunny
|
66°F |
3 mph
W
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
47°F |
2 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winterstown.