Highland Lake Weather Forecast

    • 28
    • 37

    Mostly Cloudy

    • 28
    • 44

    Mostly Cloudy

    • 31
    • 37

    Rain Likely

    • 28
    • 39

    Chance Rain/Snow

    • 29
    • 38

    Chance Snow

Today 16 Feb Sullivan

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 30s. Southeast Winds around 5 Mph.

Tonight 16 Feb Sullivan

Mostly cloudy. Lows in the upper 20s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

February Temperature

Monticello, Sullivan County International Airport (12.4 miles)

  • Lowest 8 February, 2026

    -7.1 °F

  • Average February

    16.5 °F

  • Highest 10 February, 2026

    32 °F

Climate (2021–Present)

Monticello, Sullivan County International Airport (12.4 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    54.9 °F
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