News Headlines
- Slowly clearing conditions across the interior through the weekend. Marine layer possible along the coast and towards Gustavus. Warmer temperatures develop Sunday into through early week with dry conditions continuing.
- To view the latest marine and land weather forecast graphics for southeast Alaska, click here...
- Click here to visit the Suicide Basin monitoring page. You can use this page for updates throughout the GLOF season to see what the condition are within the basin.
Current conditions at
Petersburg (PAPG)
Lat: 56.8°NLon: 132.95°WElev: 71ft.
Fair
55°F
13°C
| Humidity | 72% |
| Wind Speed | SE 3 mph |
| Barometer | 30.25 in (1024.7 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 18 Jul 10:56 pm AKDT |
Extended Forecast for
Petersburg AK
Tonight

Low: 50 °F
Mostly Clear
Sunday

High: 66 °F
Sunny
Sunday Night

Low: 49 °F
Clear
Monday

High: 70 °F
Sunny
Monday Night

Low: 52 °F
Mostly Clear
Tuesday

High: 69 °F
Mostly Sunny
Tuesday Night

Low: 52 °F
Partly Cloudy
Wednesday

High: 64 °F
Partly Sunny
Wednesday Night

Low: 50 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 50. North wind around 5 mph.
Sunday
Sunny, with a high near 66. Northwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 49. Northwest wind 5 to 10 mph becoming south after midnight.
Monday
Sunny, with a high near 70. Northwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 52. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Mostly cloudy, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers. Mostly cloudy, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
A chance of showers. Cloudy, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Petersburg AK
56.81°N 132.95°W (Elev. 121 ft)
56.81°N 132.95°W (Elev. 121 ft)
6:15 pm AKDT Jul 18, 2026
11pm AKDT Jul 18, 2026-6pm AKDT Jul 25, 2026


