| NWS Forecast for: Petersburg Borough Issued by: National Weather Service Juneau, AK Last Update: 642 AM AKDT Fri Jun 5 2026 |  |
| Today: Patchy fog early in the morning. Rain showers. Highs in the mid 50s. Light winds. Tonight: Mostly cloudy. Slight chance of rain showers. Lows in the mid 40s. Light winds. Saturday: Mostly cloudy. Chance of rain showers. Highs in the upper 50s. Southeast winds around 10 mph. Saturday Night: Cloudy. Chance of rain showers. Lows in the upper 40s. Light winds. Sunday: Cloudy. Chance of rain showers. Highs 56 to 62. Southeast winds around 10 mph. Sunday Night: Mostly cloudy. Lows in the upper 40s. Monday: Mostly cloudy. Highs 60 to 66. Monday Night: Mostly cloudy. Lows in the upper 40s. Tuesday: Mostly cloudy. Chance of rain showers. Highs 61 to 67. Tuesday Night: Mostly cloudy. Chance of rain showers. Lows in the upper 40s. Wednesday: Mostly cloudy. Highs 61 to 67. Wednesday Night: Mostly cloudy. Lows in the upper 40s. Thursday: Mostly cloudy. Chance of rain showers. Highs 62 to 68. | |
| Zone Forecast: Petersburg Borough | |
Visit your local NWS office at: https://www.weather.gov/Juneau |