Hartland Weather Forecast

    • 56
    • 68

    Chance Rain Showers

    • 55
    • 80

    Partly Sunny

    • 55
    • 73

    Mostly Sunny

    • 55
    • 78

    Mostly Cloudy

    • 46
    • 65

    Mostly Cloudy

    • 51
    • 63

    Chance Rain Showers

Today 9 Oct Waukesha

Partly sunny. Slight chance of light rain Showers early in the afternoon. Chance of light rain Showers and slight chance of Thunderstorms late in the afternoon. Highs in the upper 60s. Southeast Winds up to 10 Mph. Chance of precipitation 40 percent.

Tonight 9 Oct Waukesha

Partly cloudy until early morning then clearing. Lows in the mid 50s. Southeast Winds 5 to 10 Mph.

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Hartland Temperature Statistics

October Temperature

Waukesha County Airport (6.2 miles)

  • Lowest 3 October, 2026

    41 °F

  • Average October

    55.8 °F

  • Highest 6 October, 2026

    73.4 °F

Climate (2021–2026)

Waukesha County Airport (6.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    56.6 °F
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