Harkness Weather Forecast

    • 59
    • 87

    Mostly Sunny

    • 67
    • 88

    Partly Sunny

    • 70
    • 88

    Rain Showers Likely

    • 67
    • 87

    Rain Showers Likely

    • 66
    • 86

    Chance Thunderstorms

    • 66
    • 86

    Chance Rain Showers

    • 63
    • 85

    Chance Rain Showers

Today 4 Aug Western Clinton

Sunny. Highs in the upper 70s. West Winds around 10 Mph.

Tonight 4 Aug Western Clinton

Clear. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harkness Temperature Statistics

August Temperature

Plattsburgh International Airport (9.9 miles)

  • Lowest 1 August, 2026

    62.1 °F

  • Average August

    73 °F

  • Highest 1 August, 2026

    82.9 °F

Climate (2021–2026)

Plattsburgh International Airport (9.9 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    55.9 °F
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