Prosper Weather Forecast

    • 57
    • 74

    Chance Thunderstorms

    • 54
    • 74

    Partly Sunny

    • 59
    • 77

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 66
    • 81

    Partly Sunny

    • 66
    • 82

    Chance Rain Showers

Today 4 Aug Fillmore

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Humid with Highs in the mid 70s. West Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph in the afternoon. Chance of rain 40 percent.

Tonight 4 Aug Fillmore

Partly cloudy with a 20 percent chance of Showers. Near steady temperature in the upper 60s. South Winds 10 to 15 Mph.

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Prosper Temperature Statistics

August Temperature

Decorah (16.8 miles)

  • Lowest

  • Average August

  • Highest

Climate (2021–2026)

Decorah (16.8 miles)

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  • Average Low 2021–2026

    39.1 °F
  • Average 2021–2026

    47.8 °F
  • Average High 2021–2026

    56.5 °F
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