Lake Murphysboro Weather Forecast

    • 28
    • 49

    Increasing Clouds

    • 32
    • 50

    Mostly Cloudy

    • 38
    • 56

    Mostly Cloudy

    • 44
    • 52

    Rain Showers Likely

    • 36
    • 55

    Slight Chance Rain Showers

    • 42
    • 60

    Partly Sunny

Today 11 Feb Jackson

Sunny, cooler with Highs in the upper 40s. North Winds 5 to 10 Mph.

Tonight 11 Feb Jackson

Partly cloudy. Lows in the lower 30s. North Winds 5 to 10 Mph.

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Lake Murphysboro Temperature Statistics

February Temperature

Southern Illinois Airport (7.5 miles)

  • Lowest 1 February, 2026

    0.6 °F

  • Average February

    28 °F

  • Highest 6 February, 2026

    48 °F

Climate (2021–Present)

Southern Illinois Airport (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.8 °F
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