St. Marys Airport Weather Forecast

    • 35
    • 43

    Mostly Cloudy

    • 37
    • 45

    Mostly Cloudy

    • 37
    • 45

    Mostly Cloudy

    • 42
    • 46

    Rain Showers

    • 43
    • 49

    Rain Showers

    • 41
    • 48

    Rain Showers

    • 40
    • 47

    Chance Rain Showers

Today 21 Sep Lower Yukon River

Mostly cloudy. Lows around 40. Highs in the mid 40s.

Tonight 21 Sep Lower Yukon River

Mostly cloudy. Isolated Showers in the evening. Lows in the mid 30s. Northwest Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Marys Airport Temperature Statistics

September Temperature

St. Mary's, St. Mary's Airport (0.6 miles)

  • Lowest 19 September, 2026

    33.1 °F

  • Average September

    48 °F

  • Highest 4 September, 2026

    59 °F

Climate (2021–2026)

St. Mary's, St. Mary's Airport (0.6 miles)

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

  • Average Low 2021–2026

    23.8 °F

  • Average 2021–2026

    29.5 °F

  • Average High 2021–2026

    35 °F
Get WillyWeather+ to remove ads