Glenn Weather Forecast

    • 35
    • 55

    Mostly Sunny

    • 39
    • 64

    Mostly Sunny

    • 48
    • 66

    Mostly Sunny

    • 42
    • 72

    Mostly Sunny

    • 54
    • 68

    Partly Sunny

    • 46
    • 69

    Slight Chance Rain Showers

Today 2 Nov Jackson

Mostly sunny. Highs in the mid 50s. North Winds around 5 Mph.

Tonight 2 Nov Jackson

Clear. Patchy frost after midnight. Lows in the mid 30s. Southwest Winds around 5 Mph.

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Glenn Temperature Statistics

November Temperature

Southern Illinois Airport (18 miles)

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Climate (2020–Present)

Southern Illinois Airport (18 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    68.9 °F
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