Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Doylestown, Doylestown Airport (KDYL)

Lat: 40.33°NLon: 75.12°WElev: 394ft.

Thunderstorm in Vicinity

72°F

22°C

Humidity 87%
Wind Speed S 5 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 27 Aug 3:54 pm EDT
Extended Forecast for

Chalfont PA

Flood Watch until August 28, 04:00am
Severe T-storm Watch August 27, 04:22pm until August 27, 08:00pm
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
  •  
    Flood Watch until August 28, 04:00am
    Severe T-storm Watch August 27, 04:22pm until August 27, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight.  Low around 67. South wind around 5 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 84. Calm wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Calm wind becoming north around 5 mph.

    Low: 62 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 83. North wind around 5 mph becoming calm.

    High: 83 °F

    Sunny

  • Saturday Night

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

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before midnight. Low around 67. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 84. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Calm wind becoming north around 5 mph.
Saturday
Sunny, with a high near 83. North wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Chalfont PA
 40.3°N 75.21°W (Elev. 299 ft)
4:08 pm EDT Aug 27, 2026
4pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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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