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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Partly Cloudy

85°F

29°C

Humidity 59%
Wind Speed SE 5 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 29 Jun 2:55 pm EDT
Extended Forecast for

Occoquan VASimilar City Names

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. East wind around 6 mph becoming light and variable.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 90. Calm wind becoming south 5 to 9 mph in the morning.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. South wind 7 to 9 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 3 to 8 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 74. South wind 3 to 6 mph.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 104. Chance of precipitation is 20%.

    High: 104 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. East wind around 6 mph becoming light and variable.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 90. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 69. South wind 7 to 9 mph.
Wednesday
Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 3 to 8 mph.
Wednesday Night
Clear, with a low around 74. South wind 3 to 6 mph.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Clear, with a low around 77.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 104. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 103. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Occoquan VASimilar City Names
 38.69°N 77.26°W (Elev. 59 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