Chester County, PA Weather Forecast
County weather hub
Patchy Frost then Mostly Sunny
Compare major city weather across Chester County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy frost before 7am, then patchy frost and patchy fog between 7am and 8am. Mostly sunny, with a high near 67. South wind 0 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Chester County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 22 of 22 mapped cities in Chester County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:57 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Chester County
Wednesday looks like the warmest upcoming period in Chester County at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:57 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
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 48. Southwest wind 5 to 10 mph.
Sunny, with a high near 62. Northwest wind 5 to 10 mph.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 64.
Mostly cloudy, with a low around 50.
Mostly cloudy, with a high near 77.
Mostly cloudy, with a low around 60.
Mostly sunny, with a high near 83.
Mostly cloudy, with a low around 62.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 84.
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Patchy Frost then Mostly Sunny
|
67°F |
0 to 10 mph
S
|
|
Friday Night
Apr 10
|
Mostly Cloudy
|
48°F |
5 to 10 mph
SW
|
|
Saturday
Apr 11
|
Sunny
|
62°F |
5 to 10 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
40°F |
0 to 5 mph
N
|
|
Sunday
Apr 12
|
Mostly Sunny
|
64°F |
0 to 10 mph
SE
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
50°F |
5 to 10 mph
S
|
|
Monday
Apr 13
|
Mostly Cloudy
|
77°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
60°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
83°F |
5 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy
|
62°F |
5 to 10 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny then Slight Chance Rain Showers
|
84°F |
5 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Slight Chance Rain Showers then Mostly Cloudy
|
61°F |
5 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Chester County.
Coverage
Forecast coverage currently spans 22 of 22 mapped cities in Chester County.
Largest mapped city population in this region: 20,048.
