Riverside Weather Forecast

    • 16
    • 41

    Mostly Sunny

    • 17
    • 44

    Mostly Sunny

    • 20
    • 51

    Mostly Sunny

    • 19
    • 48

    Sunny

    • 21
    • 52

    Mostly Sunny

    • 26
    • 55

    Mostly Sunny

Today 4 Dec Espanola Valley

Partly cloudy in the Morning, then becoming mostly sunny. Highs in the upper 30s.

Tonight 4 Dec Espanola Valley

Cold. Mostly clear. Lows around 15.

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Riverside Temperature Statistics

December Temperature

Los Alamos Airport (13.7 miles)

  • Lowest 2 December, 2025

    23 °F

  • Average December

    33 °F

  • Highest 2 December, 2025

    41.9 °F

Climate (2020–Present)

Los Alamos Airport (13.7 miles)

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    62.1 °F
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