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

St George Regional Airport (KSGU)

Lat: 37.0451°NLon: 113.50561°WElev: 2872.0ft.

Overcast

73°F

23°C

Humidity 23%
Wind Speed SW 19 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 31 Mar 06:20 PM MDT
Extended Forecast for

Washington UT

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after midnight. Low around 53. Southwest wind 8 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers between noon and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 6 to 8 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. West southwest wind 6 to 9 mph becoming east after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. East wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. West southwest wind 8 to 11 mph becoming north northeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, then showers and possibly a thunderstorm after midnight. Low around 53. Southwest wind 8 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before noon, then a slight chance of showers between noon and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 6 to 8 mph. Chance of precipitation is 70%.
Wednesday Night
Mostly clear, with a low around 48. West southwest wind 6 to 9 mph becoming east after midnight.
Thursday
Sunny, with a high near 71. East wind 5 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 42. West southwest wind 8 to 11 mph becoming north northeast after midnight.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington UT
 37.13°N 113.5°W (Elev. 2799 ft)
Last Update:
3:07 pm MDT Mar 31, 2026
Forecast Valid:
6pm MDT Mar 31, 2026-6pm MDT Apr 7, 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