Base Line Lake Weather Forecast

    • 53
    • 83

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 56
    • 79

    Mostly Cloudy

    • 61
    • 84

    Chance Rain Showers

    • 59
    • 81

    Chance Rain Showers

Today 17 Sep Washtenaw

Patchy fog in the morning. Sunny. Highs in the mid 80s. Northeast Winds up to 5 Mph.

Tonight 17 Sep Washtenaw

Clear. Lows in the mid 50s. Southeast Winds up to 5 Mph, becoming west after midnight.

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  • Temperature Real-Time

Base Line Lake Temperature Statistics

September Temperature

Howell, Livingston County Airport (14.3 miles)

  • Lowest 8 September, 2025

    39.2 °F

  • Average September

    61.8 °F

  • Highest 14 September, 2025

    82.4 °F

Climate (2020–Present)

Howell, Livingston County Airport (14.3 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    59.2 °F
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