Merrimac Weather Forecast

    • 35
    • 51

    Rain Showers

    • 30
    • 47

    Slight Chance Snow Showers

    • 24
    • 44

    Chance Rain/Snow

    • 30
    • 47

    Mostly Sunny

    • 40
    • 57

    Partly Sunny

    • 43
    • 66

    Mostly Cloudy

Today 5 Apr Western Essex

Showers with isolated Thunderstorms. Near steady temperature in the upper 50s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 5 Apr Western Essex

Mostly cloudy with a chance of Showers in the Evening, then mostly clear after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

April Temperature

Lawrence Municipal Airport (9.9 miles)

  • Lowest 2 April, 2026

    35.1 °F

  • Average April

    45.2 °F

  • Highest 1 April, 2026

    70 °F

Climate (2021–Present)

Lawrence Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    60.9 °F
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