Simerson Weather Forecast

    • 33
    • 62

    Increasing Clouds

    • 38
    • 67

    Becoming Sunny

    • 42
    • 70

    Mostly Sunny

    • 42
    • 67

    Sunny

    • 42
    • 66

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 41
    • 65

    Partly Sunny

Today 13 Jan Northwestern Mendocino Interior

Sunny. Patchy frost in the morning. Highs 60 to 70.

Tonight 13 Jan Northwestern Mendocino Interior

Mostly clear. Patchy valley fog. Lows 37 to 47.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simerson Temperature Statistics

January Temperature

Ukiah Municipal Airport (21.7 miles)

  • Lowest 9 January, 2026

    30 °F

  • Average January

    47.8 °F

  • Highest 11 January, 2026

    62.1 °F

Climate (2021–Present)

Ukiah Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    76 °F
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