Williams Weather Forecast

    • 44
    • 59

    Slight Chance Rain Showers

    • 50
    • 56

    Rain Showers Likely

    • 52
    • 56

    Rain Showers

    • 51
    • 55

    Rain Showers

    • 53
    • 57

    Rain Showers

    • 48
    • 53

    Rain Showers Likely

Today 17 Dec Central Sacramento Valley

Mostly cloudy. Not as cool. A chance of rain Showers and a slight chance of Thunderstorms early in the morning. A slight chance of rain Showers late in the Morning, then a chance of rain Showers early in the afternoon. Patchy fog through the day. Highs 54 to 62. Southeast Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 17 Dec Central Sacramento Valley

Mostly cloudy with a slight chance of rain Showers. Patchy fog after midnight. Lows 41 to 47. Light Winds.

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Williams Temperature Statistics

December Temperature

Marysville, Yuba County Airport (31.1 miles)

  • Lowest 2 December, 2025

    36 °F

  • Average December

    43.2 °F

  • Highest 3 December, 2025

    62.1 °F

Climate (2020–Present)

Marysville, Yuba County Airport (31.1 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    77.8 °F
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