Belfast Weather Forecast

    • 29
    • 57

    Partly Sunny

    • 29
    • 57

    Partly Sunny

    • 33
    • 58

    Partly Sunny

    • 35
    • 63

    Mostly Cloudy

    • 34
    • 64

    Partly Sunny

    • 32
    • 62

    Mostly Sunny

Today 6 Dec Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy. Highs 49 to 59. Light Winds becoming west around 10 Mph in the afternoon.

Tonight 6 Dec Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the evening then clearing. Lows 24 to 34. Light Winds.

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Belfast Temperature Statistics

December Temperature

Reno/Stead (61.5 miles)

  • Lowest 3 December, 2025

    21.2 °F

  • Average December

    34.8 °F

  • Highest 2 December, 2025

    57.2 °F

Climate (2020–Present)

Reno/Stead (61.5 miles)

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  • Average Low 2020–2025

    36.9 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    64.2 °F
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