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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Leesburg / Godfrey (KJYO)

Lat: 39.08°NLon: 77.57°WElev: 390ft.

Overcast

79°F

26°C

Humidity 79%
Wind Speed SW 6 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Sep 1:35 pm EDT
Extended Forecast for

Ashburn VASimilar City Names

  • This Afternoon

    This Afternoon: Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 62. North wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Mostly cloudy, with a high near 72. North wind 8 to 11 mph.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Showers, mainly after 8pm. Low around 58. Northeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm. High near 64. Northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Southwest wind around 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 likely before 1am, then a slight chance of showers between 1am and 2am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 62. North wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, with a high near 72. North wind 8 to 11 mph.
Monday Night
Showers, mainly after 8pm. Low around 58. Northeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 64. Northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 53. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 65. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ashburn VASimilar City Names
 39.05°N 77.49°W (Elev. 299 ft)
Last Update:
10:53 am EDT Sep 20, 2026
Forecast Valid:
1pm EDT Sep 20, 2026-6pm EDT Sep 26, 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