Lillington Weather Forecast

    • 76
    • 100

    Rain Showers Likely

    • 72
    • 97

    Rain Showers

    • 73
    • 93

    Thunderstorms Likely

    • 76
    • 96

    Chance Thunderstorms

    • 70
    • 94

    Thunderstorms Likely

    • 67
    • 88

    Chance Thunderstorms

Today 18 Jul Harnett

Mostly sunny. Hot. Near steady temperature in the upper 90s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Heat index Values up to 110.

Tonight 18 Jul Harnett

Partly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lillington Temperature Statistics

July Temperature

Erwin, Harnett County Airport (4.3 miles)

  • Lowest 15 July, 2026

    65.5 °F

  • Average July

    82.4 °F

  • Highest 4 July, 2026

    100.9 °F

Climate (2021–2026)

Erwin, Harnett County Airport (4.3 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    73.5 °F
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