Trojan Lake Weather Forecast

    • 57
    • 73

    Chance Rain Showers

    • 61
    • 72

    Chance Rain Showers

    • 62
    • 77

    Rain Showers Likely

    • 61
    • 74

    Rain Showers Likely

    • 57
    • 75

    Chance Rain Showers

    • 54
    • 72

    Slight Chance Rain Showers

Today 30 Aug Sullivan

Mostly cloudy with a 40 percent chance of Showers. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 30 Aug Sullivan

Mostly cloudy with a 20 percent chance of Showers. Patchy fog after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Trojan Lake Temperature Statistics

August Temperature

Monticello, Sullivan County International Airport (15.5 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    68.3 °F

  • Highest 6 August, 2026

    87.1 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (15.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
Get WillyWeather+ to remove ads