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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Marysville, Yuba County Airport (KMYV)

Lat: 39.09778°NLon: 121.56972°WElev: 62.0ft.

Clear

70°F

21°C

Humidity 43%
Wind Speed SSE 5 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 28 Aug 04:35 AM PDT
Extended Forecast for

Marysville CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 73. South southeast wind around 5 mph.

    Low: 73 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 88. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 88 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South southeast wind 3 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. South wind 5 to 7 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. South southeast wind 3 to 8 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 73. South southeast wind around 5 mph.
Friday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 88. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 61. South southeast wind 3 to 7 mph.
Saturday
Sunny, with a high near 90. South wind 5 to 7 mph.
Saturday Night
Clear, with a low around 58. South southeast wind 3 to 8 mph.
Sunday
Sunny, with a high near 90.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville CA
 39.12°N 121.6°W (Elev. 43 ft)
Last Update:
2:00 am PDT Aug 28, 2026
Forecast Valid:
4am PDT Aug 28, 2026-6pm PDT Sep 3, 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