| NWS Forecast for: Petersburg Borough Issued by: National Weather Service Juneau, AK Last Update: 239 PM AKDT Mon Apr 6 2026 | |
| Tonight: Mostly cloudy. Rain likely early in the evening, then slight chance of rain in the evening. Patchy fog late. Lows in the lower 30s. Light winds. Tuesday: Mostly cloudy. Patchy fog in the morning. Highs in the lower 40s. Light winds. Tuesday Night: Mostly cloudy. Patchy fog. Chance of flurries late. Lows around 30. Light winds. Wednesday: Mostly cloudy. Slight chance of rain. Highs in the mid 40s. Light winds. Wednesday Night: Cloudy. Chance of rain. Slight chance of snow and patchy fog late. Lows in the mid 30s. Light winds. Thursday: Rain and patchy fog. Highs in the mid 40s. Thursday Night: Rain and patchy fog. Lows in the mid 30s. Friday: Cloudy. Chance of rain and patchy fog. Highs in the mid 40s. Friday Night: Mostly cloudy. Chance of sprinkles, flurries and patchy fog. Lows in the lower 30s. Saturday: Partly cloudy. Chance of sprinkles. Highs in the upper 40s. Saturday Night: Partly cloudy. Chance of sprinkles. Lows in the lower 30s. Sunday: Partly cloudy. Highs in the upper 40s. Sunday Night: Mostly cloudy. Chance of sprinkles. Lows in the mid 30s. Monday: Mostly cloudy. Chance of rain. Highs in the upper 40s. | |
| Zone Forecast: Petersburg Borough | |
Visit your local NWS office at: https://www.weather.gov/Juneau |