Clayton Weather Forecast

    • 72
    • 93

    Chance Thunderstorms

    • 73
    • 94

    Chance Thunderstorms

    • 71
    • 94

    Chance Thunderstorms

    • 69
    • 93

    Mostly Sunny

    • 72
    • 95

    Mostly Sunny

    • 75
    • 101

    Hot

Today 26 Jun Johnston

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Jun Johnston

Clear. Near steady temperature around 70. South Winds around 5 Mph.

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Clayton Temperature Statistics

June Temperature

Smithfield, Johnston County Airport (8.1 miles)

  • Lowest 3 June, 2026

    46.4 °F

  • Average June

    77.1 °F

  • Highest 12 June, 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

    61.6 °F

  • Average High 2021–2026

    73.5 °F
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