Harkness Weather Forecast

    • 14
    • 21

    Decreasing Clouds

    • 20
    • 29

    Mostly Cloudy

    • 19
    • 39

    Slight Chance Rain Showers

    • 37
    • 39

    Rain

    • 10
    • 45

    Slight Chance Snow

    • 21
    • 28

    Chance Snow Showers

    • 13
    • 34

    Slight Chance Rain/Snow

Today 15 Dec Western Clinton

Mostly cloudy. Near steady temperature around 15. West Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 15 Dec Western Clinton

Partly cloudy. A slight chance of snow Showers until midnight. Lows around 11. West Winds around 10 Mph. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harkness Temperature Statistics

December Temperature

Plattsburgh International Airport (9.9 miles)

  • Lowest 9 December, 2025

    -9 °F

  • Average December

    20.1 °F

  • Highest 1 December, 2025

    39 °F

Climate (2020–Present)

Plattsburgh International Airport (9.9 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    56 °F
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