Lewisburg Weather Forecast

    • 55
    • 80

    Rain Showers

    • 38
    • 61

    Rain Showers

    • 46
    • 63

    Partly Sunny

    • 39
    • 56

    Slight Chance Rain Showers

    • 38
    • 57

    Partly Sunny

    • 40
    • 60

    Slight Chance Rain Showers

Today 18 Oct Cass

Mostly Sunny, then becoming partly cloudy this Morning, then becoming mostly cloudy. A slight chance of Showers this morning. Showers with a chance of Thunderstorms this afternoon. Highs in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 18 Oct Cass

A chance of Thunderstorms. Showers. Locally heavy rainfall possible after midnight. Lows in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewisburg Temperature Statistics

October Temperature

Grissom Air Force Base / Peru (7.5 miles)

  • Lowest 9 October, 2025

    37.8 °F

  • Average October

    63.4 °F

  • Highest 3 October, 2025

    89.8 °F

Climate (2020–Present)

Grissom Air Force Base / Peru (7.5 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.2 °F
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