Johnston County Airport Weather Forecast

    • 72
    • 87

    Thunderstorms

    • 75
    • 90

    Chance Thunderstorms

    • 76
    • 93

    Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

    • 71
    • 90

    Slight Chance Thunderstorms

Today 16 Jun Johnston

Partly sunny. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 16 Jun Johnston

Showers and Thunderstorms likely. Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 70 percent.

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Johnston County Airport Temperature Statistics

June Temperature

Smithfield, Johnston County Airport (0 miles)

  • Lowest 1 June, 2025

    50 °F

  • Average June

    74.1 °F

  • Highest 7 June, 2025

    89.6 °F

Climate (2020–Present)

Smithfield, Johnston County Airport (0 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    61.6 °F

  • Average High 2020–2025

    73.3 °F
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