Micro Weather Forecast

    • 76
    • 93

    Slight Chance Thunderstorms

    • 69
    • 91

    Rain Showers

    • 65
    • 80

    Rain Showers

    • 67
    • 82

    Rain Showers Likely

    • 68
    • 81

    Rain Showers Likely

    • 69
    • 86

    Chance Thunderstorms

Today 21 Jul Johnston

Partly sunny. Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 103.

Tonight 21 Jul Johnston

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Micro Temperature Statistics

July Temperature

Smithfield, Johnston County Airport (10.6 miles)

  • Lowest 15 July, 2026

    64.4 °F

  • Average July

    81.4 °F

  • Highest 4 July, 2026

    100.4 °F

Climate (2021–2026)

Smithfield, Johnston County Airport (10.6 miles)

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  • Average Low 2021–2026

    50.8 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    73.6 °F
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