Island Lake Weather Forecast

    • 58
    • 80

    Chance Thunderstorms

    • 55
    • 76

    Chance Rain Showers

    • 55
    • 74

    Chance Rain Showers

    • 56
    • 69

    Rain Showers Likely

    • 54
    • 70

    Slight Chance Rain Showers

    • 55
    • 73

    Partly Sunny

Today 11 Aug Barnes

Mostly sunny. Highs 80 to 85. Northeast Winds 5 to 15 Mph.

Tonight 11 Aug Barnes

Mostly cloudy. Lows 55 to 60. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

August Temperature

Jamestown, Jamestown Municipal Airport (13.7 miles)

  • Lowest 5 August, 2026

    46.7 °F

  • Average August

    67.9 °F

  • Highest 2 August, 2026

    90.6 °F

Climate (2021–2026)

Jamestown, Jamestown Municipal Airport (13.7 miles)

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

  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    43.5 °F

  • Average High 2021–2026

    54.2 °F
Get WillyWeather+ to remove ads