Tiskilwa Weather Forecast

    • 62
    • 86

    Becoming Sunny

    • 64
    • 85

    Sunny

    • 67
    • 88

    Partly Sunny

    • 66
    • 83

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

    • 63
    • 83

    Mostly Sunny

Today 28 Jul Bureau

Mostly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 28 Jul Bureau

Mostly clear. Cooler with Lows in the lower 60s. Northeast Winds around 5 Mph.

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Tiskilwa Temperature Statistics

July Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 23 July, 2026

    53.6 °F

  • Average July

    76.5 °F

  • Highest 2 July, 2026

    93.2 °F

Climate (2021–2026)

Illinois Valley Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.6 °F
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