South Haven Weather Forecast

    • 26
    • 48

    Decreasing Clouds

    • 29
    • 54

    Partly Sunny

    • 18
    • 40

    Mostly Sunny

    • 26
    • 46

    Mostly Sunny

    • 37
    • 58

    Partly Sunny

    • 30
    • 55

    Partly Sunny

Today 5 Dec Sumner

Partly sunny. Not as cool with Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 5 Dec Sumner

Mostly cloudy in the Evening, then clearing. Patchy fog after midnight. Cold with Lows in the upper 20s. West Winds around 5 Mph, becoming north after midnight.

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South Haven Temperature Statistics

December Temperature

Blackwell-Tonkawa Municipal Airport (21.1 miles)

  • Lowest 2 December, 2025

    15.8 °F

  • Average December

    33.4 °F

  • Highest 2 December, 2025

    53.6 °F

Climate (2020–Present)

Blackwell-Tonkawa Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    73.3 °F
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