Lake Petersburg Weather Forecast

    • 72
    • 85

    Isolated Thunderstorms

    • 74
    • 89

    Isolated Thunderstorms

    • 75
    • 94

    Mostly Sunny

    • 71
    • 93

    Slight Chance Thunderstorms

    • 72
    • 88

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 72
    • 91

    Slight Chance Thunderstorms

Today 21 Jul Menard

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 21 Jul Menard

Mostly cloudy late this Evening, then becoming partly cloudy. Patchy fog. Lows in the lower 70s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Petersburg Temperature Statistics

July Temperature

Springfield - Abraham Lincoln Capital Airport (13 miles)

  • Lowest 2 July, 2025

    62.7 °F

  • Average July

    77.6 °F

  • Highest 11 July, 2025

    92.6 °F

Climate (2020–Present)

Springfield - Abraham Lincoln Capital Airport (13 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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