Petersburg, AK Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jul 6
Showers -º / 48º 62% S 5 mph 99%
Tue
Jul 7
PM Showers
View Hourly
58º / 47º 83% SE 8 mph 73%
3am Few Showers 50º 33% S 2 mph 99%
4am Cloudy 50º 24% S 2 mph 99%
5am Cloudy 49º 6% S 2 mph 99%
6am Mostly Cloudy 51º 5% SW 1 mph 97%
7am Cloudy 52º 5% SSE 2 mph 88%
8am Cloudy 53º 5% ESE 4 mph 84%
9am Cloudy 54º 7% ESE 6 mph 78%
10am Cloudy 55º 11% SE 7 mph 74%
11am Cloudy 55º 12% ESE 7 mph 71%
12pm Cloudy 57º 15% ESE 8 mph 65%
1pm Cloudy 57º 15% ESE 7 mph 65%
2pm Cloudy 58º 20% SE 8 mph 64%
3pm Cloudy 58º 20% SE 7 mph 63%
4pm Showers 58º 36% SE 7 mph 65%
5pm Showers 56º 57% SSE 7 mph 74%
6pm Rain 54º 83% SSE 7 mph 82%
7pm Rain 53º 89% SSE 5 mph 84%
8pm Rain 52º 87% SE 3 mph 87%
9pm Rain 52º 78% SE 3 mph 88%
10pm Showers 51º 41% SE 3 mph 91%
11pm Showers 50º 38% SE 2 mph 94%
Wed
Jul 8
Showers
View Hourly
56º / 49º 56% ESE 7 mph 83%
12am Showers 50º 42% SE 2 mph 95%
1am Showers 49º 56% SE 3 mph 96%
2am Light Rain 49º 63% SE 3 mph 95%
3am Showers 49º 51% SE 2 mph 96%
4am Showers 48º 48% SSE 2 mph 97%
5am Showers 48º 44% SE 3 mph 96%
6am Showers 49º 40% SSE 3 mph 95%
7am Cloudy 50º 24% ESE 4 mph 92%
8am Cloudy 51º 24% ESE 4 mph 91%
9am Showers 52º 35% ESE 6 mph 87%
10am Few Showers 52º 31% ESE 7 mph 87%
11am Showers 54º 55% ESE 7 mph 83%
12pm Showers 54º 36% ESE 7 mph 80%
1pm Showers 55º 56% ESE 7 mph 77%
2pm Showers 55º 42% SE 7 mph 79%
3pm Showers 56º 38% ESE 7 mph 78%
4pm Showers 56º 39% ESE 6 mph 78%
5pm Few Showers 55º 31% ESE 6 mph 80%
6pm Showers 55º 41% ESE 6 mph 81%
7pm Light Rain 55º 60% SE 6 mph 82%
8pm Light Rain 54º 62% SE 5 mph 84%
9pm Showers 53º 55% SE 4 mph 87%
10pm Showers 51º 36% SE 4 mph 92%
11pm Showers 51º 35% SE 4 mph 93%
Thu
Jul 9
Light Rain
View Hourly
53º / 47º 74% ESE 7 mph 90%
12am Showers 51º 59% SE 3 mph 92%
1am Light Rain 51º 62% SE 4 mph 92%
2am Light Rain 50º 64% SE 4 mph 94%
Fri
Jul 10
Few Showers 59º / 48º 33% ENE 3 mph 79%
Sat
Jul 11
PM Showers 60º / 49º 33% ENE 4 mph 78%
Sun
Jul 12
Showers 59º / 50º 39% ESE 4 mph 80%
Mon
Jul 13
Showers 60º / 49º 36% E 5 mph 77%

Weather Radar for Petersburg, AK See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Petersburg, AK

Tonight
Low : 49ºF
Variable winds 5 kt or less. Showers, mainly before 4am. Seas 1 to 2 ft.
Tuesday
High : 60ºF
Variable winds 5 kt or less. A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Seas around 1 ft.
Tuesday Night
Low : 48ºF
Variable winds 5 kt or less. Showers likely, mainly between 10pm and 1am. Seas around 1 ft.
Wednesday
High : 59ºF
Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.
Wednesday Night
Low : 48ºF
Variable winds 5 kt or less. Showers likely. Seas around 1 ft.
Thursday
High : 58ºF
Variable winds 5 kt or less. Showers likely. Seas 1 to 2 ft.
Thursday Night
Low : 48ºF
Variable winds 5 kt or less. Showers likely, mainly before 10pm. Seas 1 ft or less.
Friday
High : 59ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Friday Night
Low : 49ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.

NOAA Buoy Data Near Petersburg, AK See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for Petersburg, AK

    TuesdayWednesdayThursday
    Wind Speed (MPH) 227752247764
    11am3pm7pm11pm3am7am11am3pm7pm11pm3am7am
    MPH 227752247764
    DIR SSSEESESESSESESEESEESEESESESE

    Current Weather Conditions In Petersburg, AK

    As Of: 18 minutes ago

    • 50ºF
    • 50ºF
    • 2mph
    • 0º (S)
    • 2mph
    • Few Showers
    • 7mi
    • 29.86"
    • 99%
    • 0ºF

    The weather right now in Petersburg, AK is Few Showers. The current temperature is 50°F, and the expected high and low for today, Tuesday, July 7, 2026, are -° high temperature and 48°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the South. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 50° Fahrenheit. Expected precipitation is 33 percent, with current humidity at 99 percent, and air pressure at 29.86 in. Visibility is 7 nautical miles. There are no current weather alert(s).