Clayton Weather Forecast

    • 53
    • 68

    Slight Chance Rain

    • 48
    • 71

    Mostly Sunny

    • 54
    • 77

    Sunny

    • 55
    • 80

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

Today 24 Sep Johnston

Mostly cloudy. A slight chance of rain in the morning. Highs in the upper 60s. North Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 24 Sep Johnston

Partly cloudy. Lows in the lower 50s. North Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Clayton Temperature Statistics

September Temperature

Smithfield, Johnston County Airport (8.1 miles)

  • Lowest 16 September, 2026

    57.2 °F

  • Average September

    77.6 °F

  • Highest 3 September, 2026

    98.6 °F

Climate (2021–2026)

Smithfield, Johnston County Airport (8.1 miles)

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  • Average Low 2021–2026

    50.8 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    73.7 °F
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