7-Day Zone Forecast for Petersburg Borough (Text-Only)
NWS Forecast for: Petersburg Borough
Issued by: National Weather Service Juneau, AK
Last Update: 608 AM AKST Sat Jan 10 2026




Today: Rain showers. Highs in the lower 40s. Southeast winds around 10 mph.

Tonight: Rain showers. Locally heavy rainfall possible late. Near steady temperature in the upper 30s. Southeast winds around 10 mph.

Sunday: Rain. Rain may be heavy at times. Near steady temperature in the lower 40s. Southeast winds around 10 mph.

Sunday Night: Rain. Rain may be heavy at times in the evening. Lows in the upper 30s. Southeast winds around 10 mph.

Monday: Rain. Highs in the lower 40s. Southeast winds around 10 mph.

Monday Night: Rain. Lows in the upper 30s.

Tuesday: Rain. Highs in the mid 40s.

Tuesday Night: Rain. Lows in the upper 30s.

Wednesday: Rain. Highs in the lower 40s.

Wednesday Night: Rain and chance of snow. Lows in the lower 30s.

Thursday: Mostly cloudy. Chance of rain and snow. Highs in the upper 30s.

Thursday Night: Mostly cloudy. Chance of rain and snow. Lows in the lower 30s.

Friday: Mostly cloudy. Chance of rain and snow. Highs around 40.







Zone Forecast: Petersburg Borough

Visit your local NWS office at: https://www.weather.gov/Juneau