St. Clair Regional Airport Weather Forecast

    • 64
    • 87

    Sunny

    • 40
    • 86

    Partly Sunny

    • 39
    • 59

    Partly Sunny

    • 42
    • 62

    Slight Chance Thunderstorms

    • 53
    • 70

    Partly Sunny

    • 39
    • 81

    Chance Rain

Today 21 Mar Franklin

Sunny. Highs in the upper 80s. South Winds around 5 Mph, becoming west in the afternoon.

Tonight 21 Mar Franklin

Mostly clear. Not as cool with Lows in the mid 60s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

St. Clair Regional Airport Temperature Statistics

March Temperature

Washington Regional Airport (14.3 miles)

  • Lowest 16 March, 2026

    21.2 °F

  • Average March

    51.7 °F

  • Highest 10 March, 2026

    84.2 °F

Climate (2021–Present)

Washington Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    69.3 °F
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