Morris Municipal Airport (James R. Washburn Field) Weather Forecast

    • 50
    • 68

    Decreasing Clouds

    • 51
    • 71

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 53
    • 74

    Mostly Sunny

    • 61
    • 74

    Rain Showers Likely

    • 62
    • 72

    Chance Rain Showers

    • 60
    • 73

    Chance Rain Showers

Today 25 Sep Grundy

Mostly cloudy. Isolated Sprinkles. Highs in the upper 60s. East Winds around 5 Mph.

Tonight 25 Sep Grundy

Partly cloudy in the Evening, then clearing. Lows around 50. Northeast Winds around 5 Mph.

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Morris Municipal Airport (James R. Washburn Field) Temperature Statistics

September Temperature

Joliet Regional Airport (13.7 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    72.9 °F

  • Highest 2 September, 2026

    95.9 °F

Climate (2021–2026)

Joliet Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.3 °F
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