Merrimac Weather Forecast

    • 59
    • 75

    Slight Chance Thunderstorms

    • 58
    • 78

    Rain Showers Likely

    • 55
    • 69

    Rain Showers Likely

    • 57
    • 77

    Partly Sunny

    • 55
    • 76

    Slight Chance Rain Showers

    • 59
    • 80

    Mostly Sunny

Today 28 May Taylor

Partly sunny. Patchy fog in the morning. Slight chance of Thunderstorms in the morning. Chance of Thunderstorms in the afternoon. Highs in the mid 70s. West Winds up to 5 Mph. Chance of precipitation 30 percent.

Tonight 28 May Taylor

Mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. West Winds up to 5 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

May Temperature

Lebanon-Springfield Airport (16.2 miles)

  • Lowest 10 May, 2025

    44.6 °F

  • Average May

    64.4 °F

  • Highest 15 May, 2025

    86 °F

Climate (2020–Present)

Lebanon-Springfield Airport (16.2 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    67.7 °F
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