Longtown Weather Forecast

    • 55
    • 74

    Slight Chance Rain Showers

    • 59
    • 76

    Rain Showers Likely

    • 60
    • 67

    Rain Showers Likely

    • 43
    • 74

    Rain Showers

    • 34
    • 53

    Partly Sunny

    • 49
    • 60

    Rain Showers Likely

    • 54
    • 75

    Rain Showers Likely

Today 27 Mar Perry

Partly sunny with a 20 percent chance of Showers. Near steady temperature in the mid 70s. South Winds 10 to 15 Mph.

Tonight 27 Mar Perry

Partly cloudy. Lows in the upper 50s. South Winds 10 to 15 Mph.

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Longtown Temperature Statistics

March Temperature

Southern Illinois Airport (29.8 miles)

  • Lowest 2 March, 2025

    23.8 °F

  • Average March

    51.4 °F

  • Highest 14 March, 2025

    80.7 °F

Climate (2020–Present)

Southern Illinois Airport (29.8 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.5 °F
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