Johannisburg Weather Forecast

    • 46
    • 65

    Increasing Clouds

    • 42
    • 61

    Partly Sunny

    • 39
    • 61

    Partly Sunny

    • 55
    • 71

    Mostly Sunny

    • 56
    • 77

    Slight Chance Thunderstorms

    • 54
    • 74

    Chance Rain Showers

Today 30 Apr Washington

Sunny. Highs in the mid 60s. Northeast Winds around 5 Mph, becoming west this afternoon.

Tonight 30 Apr Washington

Partly cloudy in the Evening, then becoming mostly cloudy. A 40 percent chance of Showers. Lows in the mid 40s. Southwest Winds around 5 Mph, becoming northwest around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johannisburg Temperature Statistics

April Temperature

Belleville, Scott AFB/MidAmerica Airport (15.5 miles)

  • Lowest 6 April, 2026

    38.8 °F

  • Average April

    62.8 °F

  • Highest 17 April, 2026

    85.3 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (15.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    68 °F
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