Clayton Weather Forecast

    • 23
    • 47

    Mostly Sunny

    • 20
    • 40

    Sunny

    • 31
    • 47

    Chance Rain

    • 30
    • 54

    Slight Chance Rain

    • 27
    • 50

    Mostly Cloudy

    • 18
    • 38

    Chance Rain/Freezing Rain

Today 19 Jan Johnston

Mostly sunny. Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 19 Jan Johnston

Clear, cold with Lows in the lower 20s. West Winds around 5 Mph, becoming north after midnight.

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Clayton Temperature Statistics

January Temperature

Smithfield, Johnston County Airport (8.1 miles)

  • Lowest 16 January, 2026

    17.6 °F

  • Average January

    45.2 °F

  • Highest 10 January, 2026

    78.8 °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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