Merrimac Weather Forecast

    • 61
    • 75

    Chance Thunderstorms

    • 60
    • 76

    Mostly Cloudy

    • 61
    • 82

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 66
    • 86

    Chance Rain Showers

    • 68
    • 86

    Slight Chance Rain Showers

Today 26 Jun Western Essex

Partly sunny with a chance of Thunderstorms with a slight chance of Showers. Near steady temperature in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 26 Jun Western Essex

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

June Temperature

Lawrence Municipal Airport (9.9 miles)

  • Lowest 2 June, 2026

    44.1 °F

  • Average June

    69.9 °F

  • Highest 11 June, 2026

    89.1 °F

Climate (2021–2026)

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

    60.8 °F
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