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

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* 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

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    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).