Churchill Weather Forecast

    • 62
    • 89

    Mostly Sunny

    • 61
    • 86

    Chance Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

    • 63
    • 79

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

    • 56
    • 78

    Slight Chance Rain Showers

Today 18 Sep Bureau

Sunny, hot. Near steady temperature in the upper 80s. Southeast Winds around 5 Mph.

Tonight 18 Sep Bureau

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 20 percent.

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Churchill Temperature Statistics

September Temperature

Illinois Valley Regional Airport (2.5 miles)

  • Lowest 7 September, 2025

    39.6 °F

  • Average September

    65.2 °F

  • Highest 14 September, 2025

    91.6 °F

Climate (2020–Present)

Illinois Valley Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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