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

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

Leesburg / Godfrey (KJYO)

Lat: 39.08°NLon: 77.57°WElev: 390ft.

Mostly Cloudy

84°F

29°C

Humidity 66%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 29 Jun 3:35 pm EDT
Extended Forecast for

3 Miles SSE Poolesville MD

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. Southeast wind around 6 mph becoming calm after midnight.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South wind 6 to 8 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 106. Southwest wind around 6 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Chance of precipitation is 20%.

    High: 102 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. Southeast wind around 6 mph becoming calm after midnight.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 70. South wind 6 to 8 mph.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 106. Southwest wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Clear, with a low around 76.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Independence Day
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Poolesville MD
 39.1°N 77.39°W (Elev. 299 ft)
Last Update:
3:11 pm EDT Jun 29, 2026
Forecast Valid:
3pm EDT Jun 29, 2026-6pm EDT Jul 6, 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