Thayer Weather Forecast

    • 73
    • 89

    Slight Chance Thunderstorms

    • 73
    • 94

    Slight Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 71
    • 91

    Mostly Sunny

    • 72
    • 94

    Mostly Sunny

Today 22 Jul Union

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 101.

Tonight 22 Jul Union

Partly cloudy. Humid with Lows in the lower 70s. South Winds 10 to 15 Mph. Heat index Values up to 100 early in the evening.

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Thayer Temperature Statistics

July Temperature

Creston Municipal Airport (16.2 miles)

  • Lowest 13 July, 2025

    59 °F

  • Average July

    74.9 °F

  • Highest 3 July, 2025

    89.6 °F

Climate (2020–Present)

Creston Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    61.4 °F
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