Merwin Lake Weather Forecast

    • 16
    • 32

    Mostly Cloudy

    • 20
    • 34

    Snow Likely

    • 11
    • 26

    Slight Chance Snow Showers

    • 15
    • 23

    Mostly Cloudy

    • 19
    • 30

    Mostly Cloudy

    • 28
    • 38

    Mostly Cloudy

Today 12 Dec Western Columbia

Mostly sunny. Cold with Highs in the lower 30s. West Winds 5 to 10 Mph.

Tonight 12 Dec Western Columbia

Mostly cloudy and Colder. Near steady temperature around 19. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Merwin Lake Temperature Statistics

December Temperature

Pittsfield Municipal Airport (19.9 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    22.5 °F

  • Highest 1 December, 2025

    35.1 °F

Climate (2020–Present)

Pittsfield Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    57.5 °F
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