Prospect Weather Forecast

    • 56
    • 78

    Rain Showers

    • 53
    • 69

    Chance Rain Showers

    • 56
    • 69

    Rain Showers Likely

    • 54
    • 69

    Rain Showers Likely

    • 52
    • 69

    Mostly Cloudy

    • 50
    • 72

    Partly Sunny

Today 20 Sep Marion

Mostly cloudy with a chance of Thunderstorms. Showers, mainly in the morning. Humid with Highs in the mid 70s. Southwest Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph in the afternoon. Chance of rain 80 percent.

Tonight 20 Sep Marion

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Cooler with Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

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Prospect Temperature Statistics

September Temperature

Delaware Municipal Airport (11.8 miles)

  • Lowest 14 September, 2026

    51.8 °F

  • Average September

    74 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Delaware Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.9 °F
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