Clayton Weather Forecast

    • 64
    • 72

    Rain Showers Likely

    • 33
    • 72

    Rain Showers

    • 27
    • 49

    Mostly Sunny

    • 32
    • 48

    Partly Sunny

    • 39
    • 61

    Partly Sunny

    • 47
    • 67

    Partly Sunny

Today 15 Mar Johnston

Partly sunny. Showers likely with a slight chance of Thunderstorms this afternoon. Highs in the lower 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 15 Mar Johnston

Cloudy with a chance of Showers. A slight chance of Thunderstorms in the Evening, then a chance of Thunderstorms after midnight. Not as cool with Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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Clayton Temperature Statistics

March Temperature

Smithfield, Johnston County Airport (8.1 miles)

  • Lowest 12 March, 2026

    33.8 °F

  • Average March

    62.6 °F

  • Highest 11 March, 2026

    89.6 °F

Climate (2021–Present)

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

    73.4 °F
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