Hartland Weather Forecast

    • 54
    • 60

    Rain

    • 32
    • 57

    Chance Rain Showers

    • 47
    • 59

    Mostly Sunny

    • 38
    • 67

    Partly Sunny

    • 31
    • 49

    Rain Likely

    • 24
    • 40

    Slight Chance Rain/Snow

    • 34
    • 46

    Partly Sunny

Today 6 Mar Waukesha

Not as cool. Rain and chance of Thunderstorms early in the Afternoon, then light rain Showers likely and chance of Thunderstorms late in the afternoon. Patchy fog through the day. Highs in the lower 60s. South Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 6 Mar Waukesha

Warmer. Chance of light rain Showers and Thunderstorms through around Midnight, then rain Showers with Thunderstorms likely after midnight. Patchy fog in the late evening and overnight. Lows in the mid 50s. Southwest Winds 10 to 20 Mph. Chance of precipitation near 100 percent.

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Hartland Temperature Statistics

March Temperature

Waukesha County Airport (6.2 miles)

  • Lowest 1 March, 2026

    14 °F

  • Average March

    28.7 °F

  • Highest 4 March, 2026

    48.2 °F

Climate (2021–Present)

Waukesha County Airport (6.2 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    56.5 °F
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