Grand Island Weather Forecast
- 48
- 53
Rain
- 47
- 54
Rain
- 46
- 52
Rain
- 45
- 54
Rain Showers
- 43
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Rain Showers
- 42
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Rain Showers
Today 16 Sep City and Borough of Juneau
Chance of rain early in the Morning, then rain in the morning. Chance of rain in the afternoon. Highs in the mid 50s. Southeast Winds 10 to 15 Mph.
Tonight 16 Sep City and Borough of Juneau
Mostly cloudy. Chance of rain in the Evening, then rain likely late. Lows in the upper 40s. Southeast Winds around 10 Mph.
Grand Island Temperature Statistics
September Temperature
Juneau, Juneau International Airport (24.2 miles)
Lowest 12 September, 2026
37 °FAverage September
53.7 °FHighest 3 September, 2026
71.1 °F
Climate (2021–2026)
Juneau, Juneau International Airport (24.2 miles)
Average Low 2021–2026
37.1 °FAverage 2021–2026
42.9 °FAverage High 2021–2026
48.6 °F