Jefferson Weather Forecast

    • 60
    • 85

    Increasing Clouds

    • 61
    • 78

    Rain Showers Likely

    • 61
    • 74

    Rain Showers Likely

    • 57
    • 72

    Rain Showers Likely

    • 57
    • 74

    Chance Rain Showers

    • 57
    • 77

    Partly Sunny

    • 53
    • 74

    Slight Chance Thunderstorms

Today 16 Sep Cass

Sunny. Highs in the mid 80s. Northwest Winds around 5 Mph.

Tonight 16 Sep Cass

Mostly clear. Lows 55 to 60. North Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson Temperature Statistics

September Temperature

Fargo, Hector International Airport (3.1 miles)

  • Lowest 7 September, 2025

    34 °F

  • Average September

    61.1 °F

  • Highest 14 September, 2025

    88 °F

Climate (2020–Present)

Fargo, Hector International Airport (3.1 miles)

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  • Average Low 2020–2025

    34.5 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    54.7 °F
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