Tunnel Reservoir Weather Forecast

    • 31
    • 54

    Mostly Sunny

    • 30
    • 55

    Sunny

    • 30
    • 55

    Sunny

    • 31
    • 53

    Mostly Sunny

    • 31
    • 53

    Partly Sunny

    • 35
    • 56

    Mostly Sunny

    • 34
    • 58

    Mostly Sunny

Today 17 Jan Shasta Lake Area / Northern Shasta County

Widespread frost in the morning. Sunny. Highs 41 to 55 higher Elevations. 53 to 59 lower Elevations. Light Winds.

Tonight 17 Jan Shasta Lake Area / Northern Shasta County

Partly cloudy in the evening then clearing. Lows 24 to 39 higher Elevations. 33 to 42 lower Elevations. Prevailing north Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tunnel Reservoir Temperature Statistics

January Temperature

Mount Shasta (31.1 miles)

  • Lowest 13 January, 2025

    25 °F

  • Average January

    38.5 °F

  • Highest 15 January, 2025

    55.9 °F

Climate (2020–Present)

Mount Shasta (31.1 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.5 °F
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