Merrimac Weather Forecast

    • 31
    • 42

    Increasing Clouds

    • 27
    • 47

    Chance Rain/Snow

    • 21
    • 36

    Partly Sunny

    • 37
    • 45

    Mostly Cloudy

    • 30
    • 52

    Chance Rain Showers

    • 25
    • 44

    Chance Rain Showers

    • 13
    • 36

    Mostly Cloudy

Today 6 Dec Taylor

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 6 Dec Taylor

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. Southeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

December Temperature

Lebanon-Springfield Airport (16.2 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    29.9 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Lebanon-Springfield Airport (16.2 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.1 °F
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