First Sister Lake Weather Forecast

    • 39
    • 61

    Mostly Cloudy

    • 42
    • 54

    Rain

    • 36
    • 53

    Rain Likely

    • 30
    • 47

    Chance Snow

    • 22
    • 45

    Chance Snow

    • 25
    • 41

    Partly Sunny

Today 3 Apr Washtenaw

Partly cloudy. Highs in the lower 60s. West Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 3 Apr Washtenaw

Cooler. Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 20 percent.

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First Sister Lake Temperature Statistics

April Temperature

Ann Arbor, Ann Arbor Municipal Airport (4.3 miles)

  • Lowest

  • Average April

  • Highest

Climate (2020–Present)

Ann Arbor, Ann Arbor Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    39.3 °F
  • Average 2020–2025

    49.6 °F
  • Average High 2020–2025

    60 °F
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