Beaver Lake Weather Forecast

    • 53
    • 71

    Slight Chance Thunderstorms

    • 54
    • 75

    Chance Rain Showers

    • 54
    • 76

    Partly Sunny

    • 51
    • 72

    Chance Rain Showers

    • 51
    • 72

    Partly Sunny

    • 54
    • 75

    Chance Rain Showers

Today 18 Jun Waukesha

Partly sunny. Isolated light rain Showers late in the afternoon. Highs in the lower 70s. Northwest Winds 10 to 15 Mph. Chance of Showers 20 percent.

Tonight 18 Jun Waukesha

Mostly clear. Isolated light rain Showers and Thunderstorms in the evening. Lows in the lower 50s. West Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beaver Lake Temperature Statistics

June Temperature

Waukesha County Airport (8.1 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    66.1 °F

  • Highest 10 June, 2026

    87.8 °F

Climate (2021–2026)

Waukesha County Airport (8.1 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    56.6 °F
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