First Sister Lake Weather Forecast

    • 35
    • 56

    Mostly Sunny

    • 55
    • 71

    Mostly Cloudy

    • 46
    • 71

    Rain

    • 28
    • 51

    Slight Chance Rain/Snow

    • 39
    • 51

    Partly Sunny

    • 46
    • 63

    Mostly Cloudy

Today 13 Mar Washtenaw

Not as cool. Mostly sunny. Highs in the mid 50s. East Winds up to 5 Mph.

Tonight 13 Mar Washtenaw

Mostly clear. Lows in the mid 30s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

First Sister Lake Temperature Statistics

March Temperature

Ann Arbor, Ann Arbor Municipal Airport (4.3 miles)

  • Lowest 2 March, 2025

    10.9 °F

  • Average March

    35.6 °F

  • Highest 10 March, 2025

    64.9 °F

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

    59.9 °F
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