Bunker Hill Weather Forecast

    • 74
    • 92

    Isolated Thunderstorms

    • 76
    • 95

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

    • 67
    • 87

    Partly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

Today 26 Jul Macoupin

Partly sunny. A chance of Showers and Thunderstorms, mainly in the morning. Humid with Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 40 percent. Heat index Values up to 107.

Tonight 26 Jul Macoupin

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 108 early in the evening.

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Bunker Hill Temperature Statistics

July Temperature

St. Louis Regional Airport (11.2 miles)

  • Lowest 23 July, 2026

    60.4 °F

  • Average July

    76.9 °F

  • Highest 2 July, 2026

    93.2 °F

Climate (2021–2026)

St. Louis Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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