St John Weather Forecast

    • 64
    • 78

    Rain Showers

    • 54
    • 70

    Rain Showers Likely

    • 51
    • 65

    Rain Showers Likely

    • 51
    • 64

    Mostly Cloudy

    • 52
    • 65

    Mostly Cloudy

    • 53
    • 67

    Mostly Cloudy

Today 19 Sep Lake

Cloudy. Showers with Thunderstorms likely in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of precipitation 90 percent.

Tonight 19 Sep Lake

Thunderstorms likely in the evening. Showers. A chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph, becoming northwest after midnight. Chance of precipitation 80 percent.

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St John Temperature Statistics

September Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 14 September, 2026

    47.3 °F

  • Average September

    73.8 °F

  • Highest 2 September, 2026

    94.6 °F

Climate (2021–2026)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.4 °F
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