Johannisburg Weather Forecast

    • 71
    • 92

    Slight Chance Rain Showers

    • 72
    • 91

    Mostly Sunny

    • 71
    • 92

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 73
    • 92

    Slight Chance Thunderstorms

Today 10 Aug Washington

Mostly sunny. Near steady temperature around 90. South Winds around 10 Mph.

Tonight 10 Aug Washington

Partly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johannisburg Temperature Statistics

August Temperature

Belleville, Scott AFB/MidAmerica Airport (15.5 miles)

  • Lowest 3 August, 2025

    61.2 °F

  • Average August

    75.8 °F

  • Highest 8 August, 2025

    93 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (15.5 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    67.3 °F
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