Duncan Weather Forecast

    • 65
    • 87

    Becoming Sunny

    • 70
    • 94

    Sunny

    • 74
    • 98

    Hot

    • 75
    • 99

    Slight Chance Thunderstorms

    • 74
    • 96

    Chance Thunderstorms

    • 72
    • 95

    Chance Thunderstorms

Today 14 Jul Harnett

Partly sunny. Highs in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 14 Jul Harnett

Clear. Lows in the mid 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duncan Temperature Statistics

July Temperature

Sanford, Sanford-Lee County Regional Airport (12.4 miles)

  • Lowest 1 July, 2026

    65.1 °F

  • Average July

    82.2 °F

  • Highest 4 July, 2026

    100.9 °F

Climate (2021–2026)

Sanford, Sanford-Lee County Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    48.6 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    72.1 °F
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