Marissa Weather Forecast

    • 54
    • 81

    Thunderstorms

    • 53
    • 73

    Rain Showers

    • 43
    • 66

    Mostly Sunny

    • 46
    • 67

    Partly Sunny

    • 41
    • 63

    Partly Sunny

    • 43
    • 65

    Partly Sunny

Today 27 Apr St. Clair

Mostly cloudy. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may be severe with damaging Winds and large hail this morning. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 27 Apr St. Clair

Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Locally heavy rainfall possible in the evening. Lows in the lower 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain near 100 percent.

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Marissa Temperature Statistics

April Temperature

Sparta Community-Hunter Field Airport (7.5 miles)

  • Lowest 19 April, 2026

    38.5 °F

  • Average April

    62.5 °F

  • Highest 17 April, 2026

    81.7 °F

Climate (2021–Present)

Sparta Community-Hunter Field Airport (7.5 miles)

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  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    67.6 °F
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