Merrimac Weather Forecast

    • 21
    • 31

    Increasing Clouds

    • 30
    • 43

    Chance Freezing Rain

    • 23
    • 44

    Mostly Cloudy

    • 11
    • 29

    Chance Snow

    • 14
    • 19

    Snow

    • 6
    • 24

    Slight Chance Snow

    • 4
    • 24

    Partly Sunny

Today 20 Jan Taylor

Sunny. Highs in the lower 30s. Southwest Winds up to 5 Mph.

Tonight 20 Jan Taylor

Not as cold. Mostly clear. Lows in the lower 20s. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

January Temperature

Lebanon-Springfield Airport (16.2 miles)

  • Lowest 18 January, 2026

    14 °F

  • Average January

    39 °F

  • Highest 9 January, 2026

    71.6 °F

Climate (2021–Present)

Lebanon-Springfield Airport (16.2 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.2 °F
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