National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain Continues in South-central Texas; Heat Wave in California

A slow moving front will maintain the threat of flash/urban flooding across southern and central Texas today and the Central Gulf Coast and Southeast through the weekend. Abnormally, potentially record-breaking temperatures will impact southern California and stretch north toward the Bay Area and Central Valley through next week. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

68°F

20°C

Humidity 94%
Wind Speed Vrbl 5 mph
Barometer 30.00 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 2 Oct 2:15 am EDT
Extended Forecast for

Saint Peters PASimilar City Names

  • Overnight

    Overnight: Partly cloudy, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 56. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Northeast wind around 5 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. Southwest wind around 5 mph.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 15 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 56. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 69. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 52. Calm wind.
Sunday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Clear, with a low around 40.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Peters PASimilar City Names
 40.14°N 75.79°W (Elev. 600 ft)
Last Update:
4:11 pm EDT Oct 1, 2026
Forecast Valid:
2am EDT Oct 2, 2026-6pm EDT Oct 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation