New Harmony Weather Forecast

    • 71
    • 94

    Becoming Sunny

    • 75
    • 98

    Chance Rain Showers

    • 72
    • 94

    Chance Thunderstorms

    • 69
    • 92

    Slight Chance Thunderstorms

    • 69
    • 93

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 71
    • 92

    Slight Chance Thunderstorms

Today 18 Aug Union

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 90s. North Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 18 Aug Union

Mostly sunny with a slight chance of Showers and Thunderstorms Early, then mostly clear. Lows in the lower 70s. North Winds around 5 Mph, becoming east around 5 Mph this Evening, then becoming light and variable after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Harmony Temperature Statistics

August Temperature

Tupelo, Tupelo Regional Airport (11.8 miles)

  • Lowest 4 August, 2026

    68 °F

  • Average August

    84.1 °F

  • Highest 15 August, 2026

    98.7 °F

Climate (2021–2026)

Tupelo, Tupelo Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    54.8 °F

  • Average 2021–2026

    65.2 °F

  • Average High 2021–2026

    76.1 °F
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