Happy Valley Weather Forecast

    • 46
    • 53

    Mostly Sunny

    • 45
    • 54

    Mostly Sunny

    • 46
    • 54

    Mostly Sunny

    • 44
    • 56

    Mostly Sunny

    • 45
    • 59

    Partly Sunny

    • 49
    • 60

    Chance Rain Showers

Today 10 Dec Motherlode

Sunny. Areas of fog. Locally dense in the morning. Haze through the day. Highs 50 to 65. Light Winds.

Tonight 10 Dec Motherlode

Clear. Patchy dense fog in the evening. Areas of dense fog. Locally dense after midnight. Lows 42 to 53. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Happy Valley Temperature Statistics

December Temperature

COLUMBIA (23 miles)

  • Lowest 4 December, 2025

    30.2 °F

  • Average December

    42.3 °F

  • Highest 1 December, 2025

    59 °F

Climate (2020–Present)

COLUMBIA (23 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    59.8 °F

  • Average High 2020–2025

    73.5 °F
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