Saint Johns Lake Weather Forecast

    • 66
    • 86

    Chance Thunderstorms

    • 55
    • 78

    Smoke

    • 62
    • 80

    Rain Showers Likely

    • 60
    • 82

    Chance Thunderstorms

    • 52
    • 73

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

Today 17 Jul Forest

Humid. Partly cloudy with a slight chance of Showers. Areas of smoke. Highs in the upper 80s. Southwest wind 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Jul Forest

Mostly cloudy in the evening then becoming partly cloudy. A chance of Showers and Thunderstorms. Lows in the middle 60s. West wind 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns Lake Temperature Statistics

July Temperature

Langlade County Airport (22.4 miles)

  • Lowest 6 July, 2026

    53.4 °F

  • Average July

    71.9 °F

  • Highest 14 July, 2026

    91.6 °F

Climate (2021–2026)

Langlade County Airport (22.4 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    52.1 °F
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