Mill Valley Weather Forecast

    • 78
    • 94

    Sunny

    • 71
    • 94

    Chance Thunderstorms

    • 63
    • 82

    Rain Showers Likely

    • 63
    • 78

    Rain Showers Likely

    • 65
    • 83

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

Today 22 Jun Milwaukee

Hot and humid. Sunny. Highs in the mid 90s. Southwest Winds 15 to 20 Mph. Highest heat index Readings 101 to 106 in the late morning and afternoon.

Tonight 22 Jun Milwaukee

Clear. Lows in the upper 70s. Southwest Winds 10 to 15 Mph. Highest heat index Readings 96 to 101 in the evening.

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Mill Valley Temperature Statistics

June Temperature

Milwaukee-Timmerman (2.5 miles)

  • Lowest 1 June, 2025

    37.4 °F

  • Average June

    61.9 °F

  • Highest 17 June, 2025

    87.8 °F

Climate (2020–Present)

Milwaukee-Timmerman (2.5 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.9 °F
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