Smithfield Weather Forecast

    • 44
    • 71

    Becoming Sunny

    • 54
    • 72

    Partly Sunny

    • 57
    • 77

    Rain Showers

    • 47
    • 74

    Chance Rain Showers

    • 48
    • 73

    Chance Rain Showers

    • 48
    • 69

    Chance Rain Showers

Today 27 Apr Johnston

Partly sunny. Highs in the lower 70s. Northeast Winds around 10 Mph.

Tonight 27 Apr Johnston

Mostly clear. Lows in the mid 40s. East Winds 5 to 10 Mph.

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Smithfield Temperature Statistics

April Temperature

Smithfield, Johnston County Airport (3.1 miles)

  • Lowest 9 April, 2026

    35.6 °F
  • Average April

    65.6 °F
  • Highest 18 April, 2026

    91.4 °F

Climate (2021–Present)

Smithfield, Johnston County Airport (3.1 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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