Posey Weather Forecast

    • 74
    • 92

    Isolated Thunderstorms

    • 77
    • 94

    Mostly Sunny

    • 75
    • 94

    Slight Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 75
    • 93

    Partly Sunny

    • 74
    • 93

    Mostly Sunny

Today 22 Jul Clinton

Mostly sunny with isolated Showers and Thunderstorms. Near steady temperature in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 110.

Tonight 22 Jul Clinton

Partly cloudy. Isolated Showers and Thunderstorms in the evening. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 105 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Posey Temperature Statistics

July Temperature

Centralia Municipal Airport (14.3 miles)

  • Lowest 2 July, 2025

    66.6 °F

  • Average July

    78.9 °F

  • Highest 16 July, 2025

    92.5 °F

Climate (2020–Present)

Centralia Municipal Airport (14.3 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    67.5 °F
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