South Haven Weather Forecast

    • 50
    • 64

    Rain Showers Likely

    • 55
    • 75

    Mostly Sunny

    • 59
    • 78

    Partly Sunny

    • 61
    • 77

    Chance Thunderstorms

    • 62
    • 82

    Partly Sunny

    • 63
    • 85

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

Today 5 Sep Sumner

Numerous Showers. Much cooler. Near steady temperature in the upper 50s. Temperature falling into the upper 50s late. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 5 Sep Sumner

Showers early this Evening, then partly cloudy. Patchy fog. Near steady temperature in the lower 50s. North Winds around 5 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Haven Temperature Statistics

September Temperature

Blackwell-Tonkawa Municipal Airport (21.1 miles)

  • Lowest 3 September, 2025

    57.2 °F

  • Average September

    71.4 °F

  • Highest 3 September, 2025

    91.4 °F

Climate (2020–Present)

Blackwell-Tonkawa Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    72.8 °F
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