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

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

Orange, Orange County Airport (KOMH)

Lat: 38.25°NLon: 78.05°WElev: 466ft.

Fair

68°F

20°C

Humidity 64%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 3 Sep 9:55 am EDT
Extended Forecast for

Unionville VA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 86. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind.
Tonight
Mostly clear, with a low around 58. Calm wind.
Thursday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 86. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 66.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville VA
 38.27°N 77.96°W (Elev. 486 ft)
Last Update:
7:29 am EDT Sep 3, 2025
Forecast Valid:
10am EDT Sep 3, 2025-6pm EDT Sep 9, 2025
 
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