| NWS Forecast for: Western Kupreanof and Kuiu Island Issued by: National Weather Service Juneau, AK Last Update: 1047 PM AKDT Tue Sep 8 2026 |  |
| Tonight: Rain showers. Locally heavy rainfall possible in the evening. Lows in the lower 50s. South winds 10 to 20 mph. Wednesday: Mostly cloudy. Scattered rain showers. Near port alexander, numerous rain showers in the morning, then scattered rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. Southwest winds around 10 mph. Wednesday Night: Partly cloudy. Patchy fog. Lows in the upper 40s. Light winds. Thursday: Increasing clouds. Patchy fog in the morning. Highs in the lower 60s. Light winds. Thursday Night: Mostly clear. Lows in the upper 40s. North winds around 10 mph. Friday: Mostly clear. Highs in the lower 60s. Friday Night: Mostly clear. Lows in the upper 40s. Saturday: Partly cloudy. Highs in the lower 60s. Saturday Night: Partly cloudy. Lows in the upper 40s. Sunday: Partly cloudy. Highs in the lower 60s. Sunday Night: Mostly cloudy. Lows in the upper 40s. Monday: Mostly cloudy. Highs in the lower 60s. Monday Night: Mostly clear. Lows in the upper 40s. Tuesday: Partly cloudy. Highs in the lower 60s. | |
| Zone Forecast: Western Kupreanof and Kuiu Island | |
Visit your local NWS office at: https://www.weather.gov/Juneau |