Harnett Weather Forecast

    • 68
    • 87

    Increasing Clouds

    • 55
    • 86

    Chance Thunderstorms

    • 58
    • 79

    Partly Sunny

    • 60
    • 82

    Rain Showers Likely

    • 56
    • 83

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 59
    • 85

    Mostly Sunny

Today 29 May Harnett

Mostly sunny. Highs in the upper 80s. West Winds around 5 Mph.

Tonight 29 May Harnett

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harnett Temperature Statistics

May Temperature

Erwin, Harnett County Airport (3.7 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    67.1 °F

  • Highest 19 May, 2026

    93.2 °F

Climate (2021–Present)

Erwin, Harnett County Airport (3.7 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    62.2 °F

  • Average High 2021–2026

    73.4 °F
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