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Rockville, Pennsylvania Weather Forecast
Rockville, Pennsylvania Weather
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Weather Forecast for Rockville, Pennsylvania : Chester County
Issued: 4:10 am EST Dec 18, 2025 Latitude: 40.077879 Longitude: -75.8552182 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Increasing Clouds on Today 100% chance of thunderstorms on Tonight 70% chance of thunderstorms on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday 30% chance of rain & snow on Tuesday Mostly Sunny on Wednesday
High: 47°F Low: 42 °F High: 33 °F High: 38°F High: 44°F High: 34°F High: 39°F High: 44°F
Low: 23°F Low: 32°F Low: 22°F Low: 23°F Low: 31°F  
Increasing Clouds Thunderstorms Thunderstorms Mostly Sunny Mostly Sunny Sunny Rain & Snow Mostly Sunny
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Current Conditions at
POTTSTOWN - (KPTW)
36°
Clear
as of 9:54 AM EST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 8 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
34°
Clear
Haze
as of 9:54 AM EST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 5 Miles
Pressure: 30.30 in.
Flight Rule: MVFR
Wind Data
3 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
LANCASTER - (KLNS)
32°
Clear
as of 9:53 AM EST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 7 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PHILADELPHIA/WINGS - (KLOM)
39°
Clear
as of 9:55 AM EST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
3 MPH
110° East
Cloud Level(s): Clear
Increasing Clouds on Today Today... Increasing clouds, with a high near 47. Southeast wind 5 to 10 mph.

100% chance of thunderstorms Tonight Tonight... Rain, with thunderstorms also possible after 4am. Temperature falling to near 42 by 9pm, then rising to around 53 during the remainder of the night. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

70% chance of thunderstorms Friday Friday... Rain likely and possibly a thunderstorm before 7am, then rain likely between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 33 by 5pm. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 23. West wind 10 to 15 mph, with gusts as high as 30 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 38. West wind 5 to 10 mph becoming south in the afternoon.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 32.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 44.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 22.

Sunny on Monday Monday... Sunny, with a high near 34.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 23.

30% chance of rain & snow Tuesday Tuesday... A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 44.

Current Radar Image


Sun Almanac for Rockville, Pennsylvania
Sunrise: 07:21 AM
Sunset: 4:40 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:18 PM
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