Sumner Weather Forecast

    • 45
    • 62

    Mostly Cloudy

    • 47
    • 71

    Rain

    • 20
    • 53

    Rain

    • 24
    • 38

    Partly Sunny

    • 34
    • 53

    Partly Sunny

Today 13 Mar Barron

Mostly sunny. Highs in the lower 60s. Southeast Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 13 Mar Barron

Not as cool. Decreasing Clouds. Lows in the mid 40s. Southeast Winds 5 to 15 Mph.

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Sumner Temperature Statistics

March Temperature

Chetek Municipal Southworth Airport (5 miles)

  • Lowest 2 March, 2025

    8.4 °F

  • Average March

    31.9 °F

  • Highest 10 March, 2025

    65.8 °F

Climate (2020–Present)

Chetek Municipal Southworth Airport (5 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    55.5 °F
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