Girdwood Weather Forecast
- 43
- 66
Increasing Clouds
- 46
- 64
Rain
- 48
- 61
Rain Showers Likely
- 47
- 60
Chance Rain Showers
- 47
- 59
Chance Rain Showers
- 46
- 58
Chance Rain Showers
Today 3 Sep East Turnagain Arm
Mostly sunny. Highs in the upper 50s to mid 60s. Light Winds.
Tonight 3 Sep East Turnagain Arm
Partly cloudy. Lows in the lower 40s. Light Winds.
Girdwood Temperature Statistics
September Temperature
Portage, Portage Glacier (15.5 miles)
Lowest 1 September, 2026
39.9 °FAverage September
48.8 °FHighest 1 September, 2026
57.9 °F
Climate (2021–2026)
Portage, Portage Glacier (15.5 miles)
Average Low 2021–2026
32.2 °FAverage 2021–2026
38.1 °FAverage High 2021–2026
43.7 °F