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

SAC NWR (NWRC1)

Lat: 39.41722°NLon: 122.1825°WElev: 120.0ft.

NA

54°F

12°C

Humidity 97%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 11 Nov 08:29 PM PST
Extended Forecast for

Williams CA

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, clear, with a low around 47. Calm wind.

    Low: 47 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Increasing clouds, with a low around 50. Southeast wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 60. South southeast wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm. Partly cloudy, with a low around 45. South wind around 7 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain, mainly after 10am. Cloudy, with a high near 57.

    High: 57 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, clear, with a low around 47. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Rain likely, mainly after 4am. Increasing clouds, with a low around 50. Southeast wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and possibly a thunderstorm. High near 60. South southeast wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Partly cloudy, with a low around 45. South wind around 7 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 45.
Sunday
Rain, mainly after 10am. Cloudy, with a high near 57.
Sunday Night
Rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 57.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williams CA
 39.15°N 122.16°W (Elev. 95 ft)
Last Update:
1:00 pm PST Nov 11, 2026
Forecast Valid:
8pm PST Nov 11, 2026-6pm PST Nov 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation