Mount Wilson Weather Forecast

    • 32
    • 38

    Increasing Clouds

    • 22
    • 40

    Mostly Sunny

    • 30
    • 37

    Chance Rain/Snow

    • 33
    • 45

    Mostly Cloudy

    • 31
    • 42

    Chance Rain Showers

    • 39
    • 44

    Chance Rain Showers

    • 36
    • 52

    Mostly Cloudy

Today 20 Dec Lebanon

Mostly sunny. Much cooler with Highs in the upper 30s. South Winds 5 to 10 Mph.

Tonight 20 Dec Lebanon

Partly cloudy this Evening, then becoming mostly cloudy. Lows around 30. South Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Wilson Temperature Statistics

December Temperature

Muir Army Air Field / Indiantown (12.4 miles)

  • Lowest 16 December, 2025

    6.1 °F

  • Average December

    29 °F

  • Highest 17 December, 2025

    47.7 °F

Climate (2020–Present)

Muir Army Air Field / Indiantown (12.4 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    54.9 °F

  • Average High 2020–2025

    64.2 °F
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