Merrimac Weather Forecast

    • 70
    • 86

    Chance Thunderstorms

    • 76
    • 90

    Chance Thunderstorms

    • 69
    • 90

    Slight Chance Thunderstorms

    • 65
    • 86

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

Today 26 Jul Taylor

Partly sunny. Areas of fog in the morning. Patchy drizzle in the morning. Highs in the mid 80s. Northwest Winds up to 5 Mph.

Tonight 26 Jul Taylor

Partly cloudy in the Evening, then mostly cloudy with a 50 percent chance of Thunderstorms after midnight. Lows in the lower 70s. Northwest Winds up to 5 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

July Temperature

Lebanon-Springfield Airport (16.2 miles)

  • Lowest 23 July, 2026

    57.2 °F

  • Average July

    79.5 °F

  • Highest 2 July, 2026

    98.6 °F

Climate (2021–2026)

Lebanon-Springfield Airport (16.2 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.9 °F
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