Prospect Weather Forecast

    • 66
    • 90

    Slight Chance Thunderstorms

    • 63
    • 91

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 63
    • 92

    Mostly Sunny

    • 63
    • 92

    Partly Sunny

    • 62
    • 86

    Chance Rain Showers

    • 57
    • 81

    Chance Rain Showers

Today 13 Sep Champaign

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 13 Sep Champaign

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prospect Temperature Statistics

September Temperature

Rantoul National Aviation Center Airport (3.7 miles)

  • Lowest 7 September, 2025

    43 °F

  • Average September

    64 °F

  • Highest 11 September, 2025

    86 °F

Climate (2020–Present)

Rantoul National Aviation Center Airport (3.7 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.2 °F
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