Gustavus Weather Forecast

    • 51
    • 59

    Rain

    • 54
    • 60

    Rain

    • 51
    • 61

    Rain

    • 48
    • 61

    Rain

    • 50
    • 59

    Rain

    • 50
    • 64

    Chance Rain

    • 51
    • 66

    Chance Rain

Today 19 Aug Glacier Bay

Cloudy. Chance of rain early in the morning. Patchy fog in the morning. Rain likely in the Morning, then chance of rain in the afternoon. Highs in the upper 50s. Light Winds.

Tonight 19 Aug Glacier Bay

Cloudy. Slight chance of rain and patchy fog late. Lows around 50. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gustavus Temperature Statistics

August Temperature

Gustavus, Gustavus Airport (1.2 miles)

  • Lowest 13 August, 2026

    45 °F

  • Average August

    57.7 °F

  • Highest 14 August, 2026

    79 °F

Climate (2021–2026)

Gustavus, Gustavus Airport (1.2 miles)

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

  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    43.7 °F

  • Average High 2021–2026

    48.7 °F
Get WillyWeather+ to remove ads