Smithfield Weather Forecast

    • 60
    • 75

    Rain Showers Likely

    • 61
    • 67

    Rain Showers Likely

    • 60
    • 73

    Mostly Cloudy

    • 63
    • 82

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 64
    • 80

    Mostly Cloudy

Today 15 Sep Johnston

Partly sunny with a 40 percent chance of Showers. Near steady temperature in the mid 70s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Johnston

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers early this Evening, then a chance of Showers. Lows around 60. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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Smithfield Temperature Statistics

September Temperature

Smithfield, Johnston County Airport (3.1 miles)

  • Lowest 1 September, 2025

    53.6 °F

  • Average September

    69.7 °F

  • Highest 6 September, 2025

    91.4 °F

Climate (2020–Present)

Smithfield, Johnston County Airport (3.1 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    73.3 °F
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