Petersburg, AK Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 17 		Showers
Close Hourly 		-º / 54º 56% SSE 5 mph 97%
5pm Cloudy 61º 17% ESE 2 mph 93%
6pm Few Showers 60º 42% ESE 2 mph 93%
7pm Showers 60º 59% ESE 2 mph 91%
8pm Showers 58º 47% SE 4 mph 94%
9pm Showers 58º 54% SE 4 mph 93%
10pm Showers 57º 50% SE 3 mph 97%
11pm Showers 58º 37% SSE 2 mph 96%
Tue
Aug 18 		AM Showers
View Hourly 		60º / 50º 35% ESE 5 mph 86%
12am Cloudy 57º 22% SSE 2 mph 98%
1am Cloudy 57º 24% SSE 1 mph 100%
2am Showers 57º 35% SSE 2 mph 100%
3am Showers 56º 38% S 2 mph 100%
4am Few Showers 55º 30% S 2 mph 100%
5am Few Showers 55º 30% S 2 mph 100%
6am Few Showers 55º 34% SSW 2 mph 100%
7am Showers 55º 35% SE 2 mph 99%
8am Few Showers 56º 32% SE 3 mph 97%
9am Few Showers 56º 32% ESE 4 mph 94%
10am Cloudy 57º 24% ESE 5 mph 91%
11am Cloudy 57º 18% E 5 mph 90%
12pm Cloudy 58º 15% ESE 4 mph 87%
1pm Cloudy 58º 13% E 4 mph 84%
2pm Cloudy 59º 12% ESE 5 mph 83%
3pm Cloudy 59º 12% E 4 mph 80%
4pm Cloudy 60º 11% E 3 mph 77%
5pm Cloudy 60º 11% ESE 3 mph 77%
6pm Cloudy 59º 9% ESE 3 mph 77%
7pm Cloudy 59º 12% SE 3 mph 79%
8pm Cloudy 58º 13% SSE 2 mph 81%
9pm Cloudy 57º 9% SSE 2 mph 86%
10pm Cloudy 56º 8% SSE 2 mph 90%
11pm Cloudy 55º 8% S 1 mph 90%
Wed
Aug 19 		Cloudy
View Hourly 		62º / 53º 8% ESE 4 mph 82%
12am Cloudy 54º 8% S 1 mph 92%
1am Cloudy 54º 8% S 1 mph 94%
2am Mostly Cloudy 53º 9% SSE 1 mph 95%
3am Mostly Cloudy 53º 9% SSE 0 mph 97%
4am Mostly Cloudy 52º 21% SSE 0 mph 98%
5am Mostly Cloudy 52º 9% SSE 0 mph 99%
6am Partly Cloudy 51º 9% SSE 1 mph 99%
7am Mostly Cloudy 53º 8% ESE 1 mph 98%
8am Mostly Cloudy 54º 7% ESE 2 mph 94%
9am Mostly Cloudy 55º 8% E 2 mph 89%
10am Cloudy 57º 7% E 4 mph 85%
11am Cloudy 58º 6% E 4 mph 83%
12pm Cloudy 59º 5% E 4 mph 80%
1pm Cloudy 59º 4% ESE 4 mph 77%
2pm Cloudy 60º 4% ESE 4 mph 76%
3pm Cloudy 60º 4% ESE 4 mph 75%
4pm Cloudy 61º 7% ESE 3 mph 74%
Thu
Aug 20 		Cloudy 65º / 54º 20% E 4 mph 81%
Fri
Aug 21 		Showers 64º / 54º 47% ESE 5 mph 89%
Sat
Aug 22 		Light Rain 60º / 52º 67% ESE 5 mph 89%
Sun
Aug 23 		Light Rain 58º / 52º 74% ESE 7 mph 90%
Mon
Aug 24 		Rain 59º / 50º 68% E 5 mph 86%

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

This Afternoon
High : 60ºF
Variable winds 5 kt or less. Showers. Seas around 1 ft.
Tonight
Low : 53ºF
Variable winds 5 kt or less. Showers, mainly before 1am. Patchy fog after 4am. Seas 1 ft or less.
Tuesday
High : 61ºF
Variable winds 5 kt or less. A chance of showers, mainly after 10am. Patchy fog before 10am. Seas 1 ft or less.
Tuesday Night
Low : 51ºF
Variable winds 5 kt or less. A chance of showers after 1am. Patchy fog after 10pm. Seas 1 ft or less.
Wednesday
High : 62ºF
Variable winds 5 kt or less. A chance of showers before 10am. Seas 1 ft or less.
Wednesday Night
Low : 53ºF
Variable winds 5 kt or less. A chance of showers after 10pm. Seas 1 ft or less.
Thursday
High : 64ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Thursday Night
Low : 53ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Friday
High : 64ºF
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

    TuesdayWednesday
    Wind Speed (MPH) 241244321024
    1am5am9am1pm5pm9pm1am5am9am1pm5pm9pm
    MPH 241244321024
    DIR ESESESSESESEEESESSESSSEEESE

    Current Weather Conditions In Petersburg, AK

    As Of: 32 minutes ago

    • 61ºF
    • 61ºF
    • 2mph
    • 0º (ESE)
    • 2mph
    • Cloudy
    • 1mi
    • 30.13"
    • 93%
    • 0ºF

    The weather right now in Petersburg, AK is Cloudy. The current temperature is 61°F, and the expected high and low for today, Monday, August 17, 2026, are -° high temperature and 54°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the East Southeast. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 61° Fahrenheit. Expected precipitation is 17 percent, with current humidity at 93 percent, and air pressure at 30.13 in. Visibility is 1.9 nautical miles. There are no current weather alert(s).