Prospect Weather Forecast

    • 51
    • 83

    Becoming Sunny

    • 53
    • 74

    Mostly Sunny

    • 67
    • 85

    Chance Thunderstorms

    • 69
    • 86

    Chance Thunderstorms

    • 65
    • 86

    Chance Rain Showers

    • 61
    • 81

    Slight Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

Today 13 Sep Marion

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 80s. West Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 13 Sep Marion

Partly cloudy in the Evening, then clearing. Much cooler. Less humid with Lows in the lower 50s. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prospect Temperature Statistics

September Temperature

Delaware Municipal Airport (11.8 miles)

  • Lowest 7 September, 2026

    57.2 °F

  • Average September

    75.4 °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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