Oshkosh Weather Forecast

    • 0
    • 10

    Cold

    • 5
    • 13

    Partly Sunny

    • 4
    • 20

    Mostly Sunny

    • 16
    • 23

    Mostly Cloudy

    • 10
    • 27

    Mostly Cloudy

    • 11
    • 23

    Mostly Cloudy

Today 29 Jan Winnebago

Partly cloudy. Highs around 10 above zero. Northwest wind 5 to 10 Mph.

Tonight 29 Jan Winnebago

Mostly cloudy in the evening then becoming partly cloudy. Lows around zero. Light and variable wind becoming north 5 to 10 Mph after midnight.

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Oshkosh Temperature Statistics

January Temperature

Wittman Regional Airport (3.7 miles)

  • Lowest 23 January, 2026

    -18.9 °F

  • Average January

    17.4 °F

  • Highest 13 January, 2026

    50.6 °F

Climate (2021–Present)

Wittman Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.1 °F
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