News Headlines
- Heads up folks in the Juneau area, we will be conducting a live test in conjunction with Alaska Electric Light & Power for the Salmon Creek Dam on September 23rd, 2026. See the Public Information Statment here for more details.
- Pattern changing with rain, cooler temps and elevated winds returning. Moderate to heavy rains Tue night/Wed morning for the NE gulf Coast and as the front slides east and south over the panhandle. Read the latest forecast discussion here...
- To view the latest marine and land weather forecast graphics for southeast Alaska, click here...
Current conditions at
Petersburg (PAPG)
Lat: 56.8°NLon: 132.95°WElev: 71ft.
Fog/Mist
43°F
6°C
| Humidity | 100% |
| Wind Speed | W 3 mph |
| Barometer | 30.19 in (1022.6 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 1.50 mi |
| Last update | 15 Sep 1:55 am AKDT |
Extended Forecast for
Petersburg AK
Overnight
Low: 46 °F
Mostly Cloudy
Tuesday
High: 61 °F
Mostly Sunny
Tuesday Night
Low: 49 °F
Slight Chance
Showers then
Showers
LikelyWednesday
High: 56 °F
Showers
Wednesday Night
Low: 50 °F
Showers
Thursday
High: 56 °F
Rain Likely
Thursday Night
Low: 49 °F
Rain
Friday
High: 55 °F
Heavy Rain
Friday Night
Low: 48 °F
Heavy Rain
Detailed Forecast
Overnight
Mostly cloudy, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 61. Calm wind.
Tuesday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 60%.
Wednesday
Showers. High near 56. Southeast wind around 5 mph. Chance of precipitation is 100%.
Wednesday Night
Showers. Low around 50. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Thursday
Rain likely. Cloudy, with a high near 56. Chance of precipitation is 70%.
Thursday Night
Rain. Low around 49. Chance of precipitation is 80%.
Friday
Rain. The rain could be heavy at times. Cloudy, with a high near 55.
Friday Night
Rain. The rain could be heavy at times. Cloudy, with a low around 48.
Saturday
Rain. Cloudy, with a high near 55.
Saturday Night
Showers. The rain could be heavy at times. Cloudy, with a low around 47.
Sunday
Showers. Cloudy, with a high near 55.
Sunday Night
Showers. Cloudy, with a low around 44.
Monday
Showers. Cloudy, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Petersburg AK
56.82°N 133°W (Elev. 118 ft)
56.82°N 133°W (Elev. 118 ft)
10:03 pm AKDT Sep 14, 2026
2am AKDT Sep 15, 2026-6pm AKDT Sep 21, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
