Saint Peters, Pennsylvania Weather
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Weather Forecast for Saint Peters, Pennsylvania : Chester County
Issued: 4:12 pm EDT Jul 4, 2025 Latitude: 40.1800972 Longitude: -75.7307542 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Clear on Overnight Sunny on Saturday Sunny on Sunday 40% chance of thunderstorms on Monday 40% chance of thunderstorms on Tuesday 30% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 50% chance of thunderstorms on Friday
Low: 59°F High: 85°F High: 88°F High: 87°F High: 88°F High: 86°F High: 85°F High: 83°F
Low: 65°F Low: 70°F Low: 71°F Low: 69°F Low: 69°F Low: 68°F  
Clear Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
POTTSTOWN - (KPTW)
64°
Clear
Haze
as of 11:54 PM EDST
Rel. Humidity: 88%
Dew Point: 61°F
Visibility: 5 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
66°
Clear
as of 11:54 PM EDST
Rel. Humidity: 82%
Dew Point: 61°F
Visibility: 7 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
5 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
PHILADELPHIA/WINGS - (KLOM)
63°
Clear
as of 11:55 PM EDST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 7 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
QUAKERTOWN - (KUKT)
63°
Clear
as of 11:55 PM EDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 9 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 59. Calm wind.
Sunny on Saturday Saturday... Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 65. Calm wind becoming south around 5 mph.
Sunny on Sunday Sunday... Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 70. South wind around 5 mph.
40% chance of thunderstorms Monday Monday... A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
40% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
30% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
30% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
60% chance of thunderstorms Thursday Night Thursday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
50% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Current Radar Image


Sun Almanac for Saint Peters, Pennsylvania
Sunrise: 05:40 AM
Sunset: 8:35 PM
Civil Sunrise:05:07 AM
Civil Sunset: 9:08 PM
Nautical Sunrise: 04:26 AM
Nautical Sunset: 9:49 PM
Astro Sunrise: 03:38 AM
Astro Sunset: 10:37 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.