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

Hot Temperatures in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

Hot to extremely hot temperatures are in place again Thursday across the interior northwest U.S. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

67°F

19°C

Humidity 79%
Wind Speed S 12 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Sep 2:52 am EDT
Extended Forecast for

Arlington VA

  • Overnight

    Overnight: Mostly clear, with a low around 63. South wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 86. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 64. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 88. Light southwest wind increasing to 5 to 9 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 70. South wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 63. South wind around 7 mph.
Thursday
A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 86. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 64. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 88. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 70. South wind around 6 mph.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arlington VA
 38.88°N 77.11°W (Elev. 249 ft)
Last Update:
1:29 am EDT Sep 4, 2025
Forecast Valid:
3am EDT Sep 4, 2025-6pm EDT Sep 10, 2025
 
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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