South Haven Weather Forecast

    • 58
    • 68

    Rain Showers

    • 37
    • 73

    Chance Thunderstorms

    • 33
    • 57

    Mostly Sunny

    • 48
    • 67

    Sunny

    • 58
    • 79

    Chance Rain Showers

    • 49
    • 75

    Rain Showers Likely

    • 36
    • 63

    Mostly Sunny

Today 5 Mar Sumner

Mostly cloudy. Much warmer with Highs in the upper 60s. Southeast Winds 10 to 15 Mph.

Tonight 5 Mar Sumner

Patchy dense fog this evening. A chance of Thunderstorms. Showers. Not as cool with Lows in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Haven Temperature Statistics

March Temperature

Blackwell-Tonkawa Municipal Airport (21.1 miles)

  • Lowest 2 March, 2026

    37.4 °F

  • Average March

    49.1 °F

  • Highest 3 March, 2026

    71.6 °F

Climate (2021–Present)

Blackwell-Tonkawa Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    74.1 °F
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