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

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Light Rain Fog/Mist

74°F

23°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 30.02 in
Dewpoint 74°F (23°C)
Visibility 6.00 mi
Last update 1 Sep 8:55 am EDT
Extended Forecast for

Avondale PA

Heat Advisory September 1, 12:00pm until September 1, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 2am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 84. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 8am. Partly sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 90 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly before 2am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 84. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 8am. Partly sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 59.
Labor Day
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Avondale PA
 39.83°N 75.79°W (Elev. 299 ft)
Last Update:
4:09 am EDT Sep 1, 2026
Forecast Valid:
9am EDT Sep 1, 2026-6pm EDT Sep 7, 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