St. Clair Regional Airport Weather Forecast

    • 54
    • 81

    Increasing Clouds

    • 42
    • 68

    Mostly Cloudy

    • 47
    • 73

    Sunny

    • 57
    • 82

    Chance Thunderstorms

    • 49
    • 79

    Sunny

    • 57
    • 80

    Slight Chance Thunderstorms

Today 9 May Franklin

Partly sunny this Morning, then clearing. Patchy dense fog this morning. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 9 May Franklin

Mostly clear with isolated Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the mid 50s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Clair Regional Airport Temperature Statistics

May Temperature

Washington Regional Airport (14.3 miles)

  • Lowest 7 May, 2026

    39.2 °F

  • Average May

    58.4 °F

  • Highest 4 May, 2026

    84.2 °F

Climate (2021–Present)

Washington Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.6 °F
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