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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Thunderstorm in Vicinity

68°F

20°C

Humidity 100%
Wind Speed N 6 mph
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 27 Aug 9:35 pm EDT
Extended Forecast for

Oxford PA

Flood Watch until August 28, 04:00am
Severe T-storm Watch August 27, 09:57pm until August 27, 10:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch until August 28, 04:00am
    Severe T-storm Watch August 27, 09:57pm until August 27, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Calm wind becoming north around 5 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 82. North wind around 5 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Calm wind becoming north around 5 mph.
Saturday
Sunny, with a high near 82. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 64. Calm wind.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oxford PA
 39.78°N 75.97°W (Elev. 495 ft)
Last Update:
4:08 pm EDT Aug 27, 2026
Forecast Valid:
9pm EDT Aug 27, 2026-6pm EDT Sep 3, 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