Clayton Weather Forecast

    • 28
    • 67

    Chance Rain

    • 27
    • 43

    Sunny

    • 34
    • 51

    Partly Sunny

    • 29
    • 53

    Mostly Sunny

    • 37
    • 52

    Partly Sunny

    • 35
    • 51

    Chance Rain

Today 29 Dec Johnston

Mostly cloudy with a 50 percent chance of rain. Breezy, warmer with Highs around 70. Temperature falling into the upper 50s in the afternoon. Southwest Winds 15 to 20 Mph, becoming west 10 to 15 Mph in the afternoon. Gusts up to 35 Mph.

Tonight 29 Dec Johnston

Clear. Much Colder with Lows in the upper 20s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Clayton Temperature Statistics

December Temperature

Smithfield, Johnston County Airport (8.1 miles)

  • Lowest 15 December, 2025

    15.8 °F

  • Average December

    41.2 °F

  • Highest 25 December, 2025

    73.4 °F

Climate (2020–Present)

Smithfield, Johnston County Airport (8.1 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    73.3 °F
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