Crofton Weather Forecast

    • 64
    • 75

    Rain Showers

    • 62
    • 85

    Chance Rain Showers

    • 59
    • 70

    Slight Chance Rain Showers

    • 57
    • 63

    Chance Rain Showers

    • 55
    • 63

    Slight Chance Rain Showers

    • 56
    • 67

    Partly Sunny

Today 17 Sep Knox

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Humid with Highs in the mid 70s. North Winds around 5 Mph, becoming east in the afternoon.

Tonight 17 Sep Knox

A chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Humid with Lows in the mid 60s. East Winds 15 to 20 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crofton Temperature Statistics

September Temperature

Yankton, Chan Gurney Municipal Airport (13.7 miles)

  • Lowest 13 September, 2026

    48.9 °F

  • Average September

    73.2 °F

  • Highest 4 September, 2026

    95 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    61.8 °F
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