Thayer Weather Forecast

    • 42
    • 69

    Mostly Sunny

    • 43
    • 70

    Mostly Sunny

    • 45
    • 71

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 46
    • 70

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 50
    • 72

    Mostly Cloudy

Today 19 Oct Newton

Partly cloudy. Highs around 70.

Tonight 19 Oct Newton

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 40s. Light and variable Winds.

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  • Temperature Real-Time

Thayer Temperature Statistics

October Temperature

Rensselaer Jasper County Airport (16.8 miles)

  • Lowest 17 October, 2026

    35.6 °F

  • Average October

    60.8 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Rensselaer Jasper County Airport (16.8 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61 °F
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