News Headlines
- Got a new NOAA Weather Radio to receive warnings for the next Mendenhall Flood? Here are instructions for how to set it up to make sure you get the alerts!
- Rain showers expected across the southern panhandle south of Frederick Sound tonight. A stalled front will move northward beginning Friday morning shifting winds southerly along the inner channels and spreading rain northward to the Icy Strait area.
- 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.
Light Rain
54°F
12°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.97 in (1015.1 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 31 Jul 12:56 am AKDT |
Extended Forecast for
Petersburg AK
Overnight

Low: 53 °F
Showers
LikelyFriday

High: 63 °F
Showers
LikelyFriday Night

Low: 51 °F
Chance
ShowersSaturday

High: 62 °F
Chance
ShowersSaturday Night

Low: 53 °F
Chance
ShowersSunday

High: 64 °F
Cloudy
Sunday Night

Low: 53 °F
Mostly Cloudy
Monday

High: 65 °F
Partly Sunny
Monday Night

Low: 51 °F
Mostly Clear
Detailed Forecast
Overnight
Showers likely. Cloudy, with a low around 53. Calm wind. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 63. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers. Cloudy, with a high near 62. Calm wind becoming west around 5 mph.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 53. Calm wind.
Sunday
Cloudy, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 52.
Thursday
A chance of showers. Mostly sunny, with a high near 64.
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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)
8:07 pm AKDT Jul 30, 2026
1am AKDT Jul 31, 2026-6pm AKDT Aug 6, 2026


