Irmulco Weather Forecast

    • 34
    • 54

    Patchy Fog

    • 41
    • 53

    Rain

    • 48
    • 52

    Rain

    • 49
    • 53

    Rain

    • 45
    • 54

    Rain

    • 38
    • 53

    Rain

Today 29 Jan Southwestern Mendocino Interior

Mostly cloudy early in the morning then becoming partly cloudy. Patchy valley fog in the morning. Highs 51 to 61.

Tonight 29 Jan Southwestern Mendocino Interior

Mostly cloudy. Patchy valley fog. Lows 32 to 42.

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Irmulco Temperature Statistics

January Temperature

Ukiah Municipal Airport (25.5 miles)

  • Lowest 21 January, 2025

    29.8 °F

  • Average January

    49.9 °F

  • Highest 23 January, 2025

    72.6 °F

Climate (2020–Present)

Ukiah Municipal Airport (25.5 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    76.3 °F
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