Clayton Weather Forecast

    • 67
    • 84

    Decreasing Clouds

    • 69
    • 88

    Chance Thunderstorms

    • 70
    • 91

    Thunderstorms Likely

    • 68
    • 90

    Slight Chance Thunderstorms

    • 67
    • 88

    Mostly Sunny

    • 68
    • 89

    Partly Sunny

Today 26 Jul Johnston

Partly sunny. Highs in the lower 80s. North Winds around 5 Mph in the Morning, becoming light and variable.

Tonight 26 Jul Johnston

Mostly cloudy. Patchy fog. Near steady temperature in the upper 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clayton Temperature Statistics

July Temperature

Smithfield, Johnston County Airport (8.1 miles)

  • Lowest 15 July, 2026

    64.4 °F

  • Average July

    81.1 °F

  • Highest 4 July, 2026

    100.4 °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

    61.6 °F

  • Average High 2021–2026

    73.6 °F
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