Sussex Weather Forecast

    • 19
    • 42

    Mostly Sunny

    • 23
    • 42

    Mostly Sunny

    • 34
    • 43

    Mostly Cloudy

    • 26
    • 50

    Mostly Cloudy

    • 13
    • 36

    Chance Snow Showers

    • 6
    • 26

    Slight Chance Snow Showers

    • 4
    • 22

    Mostly Cloudy

Today 29 Jan Southeast Johnson County

Mostly sunny. Near steady temperature in the upper 30s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jan Southeast Johnson County

Mostly clear. Lows in the lower 20s. West Winds around 10 Mph.

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Sussex Temperature Statistics

January Temperature

Buffalo - Johnson County Airport (51.6 miles)

  • Lowest 20 January, 2025

    -12.2 °F

  • Average January

    21.9 °F

  • Highest 16 January, 2025

    56.6 °F

Climate (2020–Present)

Buffalo - Johnson County Airport (51.6 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.7 °F
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