Thayer Weather Forecast

    • 66
    • 85

    Chance Thunderstorms

    • 64
    • 82

    Mostly Sunny

    • 66
    • 85

    Mostly Sunny

    • 69
    • 87

    Mostly Sunny

    • 72
    • 89

    Partly Sunny

    • 73
    • 90

    Chance Thunderstorms

Today 30 Jun Sangamon

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 80s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 30 Jun Sangamon

Mostly cloudy. Near steady temperature in the lower 70s. Southwest Winds around 5 Mph.

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Thayer Temperature Statistics

June Temperature

Springfield - Abraham Lincoln Capital Airport (21.1 miles)

  • Lowest 2 June, 2025

    52.6 °F

  • Average June

    74.8 °F

  • Highest 21 June, 2025

    93.7 °F

Climate (2020–Present)

Springfield - Abraham Lincoln Capital Airport (21.1 miles)

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  • Average Low 2020–2025

    44.8 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    64.9 °F
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