Sussex Weather Forecast

    • 63
    • 98

    Hot

    • 62
    • 94

    Slight Chance Thunderstorms

    • 64
    • 98

    Hot

    • 64
    • 100

    Slight Chance Thunderstorms

    • 62
    • 95

    Chance Thunderstorms

    • 61
    • 90

    Chance Rain Showers

Today 15 Jul Southeast Johnson County

Sunny, hot with Highs in the upper 90s. Northeast Winds 10 to 15 Mph.

Tonight 15 Jul Southeast Johnson County

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sussex Temperature Statistics

July Temperature

Buffalo - Johnson County Airport (51.6 miles)

  • Lowest 1 July, 2026

    52.6 °F

  • Average July

    75.6 °F

  • Highest 12 July, 2026

    105.7 °F

Climate (2021–2026)

Buffalo - Johnson County Airport (51.6 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    59.5 °F
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