Nearby Harbors
56.8150’ N, 132.9570’ W

Petersburg, AK

41°
H 44°
L 38°
NE
1mph
High tide
11:28 am
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Petersburg, AK Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Nov 7 		Rain
Close Hourly 		44º / 38º 80% NNE 4 mph 79%
8am Light Rain 41º 60% NE 1 mph 88%
9am Mostly Cloudy 42º 8% N 1 mph 86%
10am Mostly Cloudy 43º 2% NNE 2 mph 84%
11am Cloudy 43º 2% NNE 4 mph 81%
12pm Cloudy 44º 1% N 3 mph 77%
1pm Cloudy 44º 1% NNE 4 mph 76%
2pm Cloudy 43º 4% NNE 3 mph 75%
3pm Cloudy 43º 13% NNE 4 mph 72%
4pm Showers 42º 52% NE 3 mph 75%
5pm Rain 41º 69% E 4 mph 77%
6pm Rain 41º 80% SSW 4 mph 81%
7pm Light Rain 41º 71% NNE 3 mph 84%
8pm Light Rain 40º 66% N 2 mph 87%
9pm Showers 40º 58% NW 2 mph 88%
10pm Showers 41º 47% NW 2 mph 87%
11pm Showers 41º 52% WNW 2 mph 86%
Sun
Nov 8 		Rain
View Hourly 		42º / 38º 88% S 4 mph 95%
12am Showers 41º 42% NNW 2 mph 87%
1am Light Rain 40º 65% NNW 2 mph 89%
2am Rain 40º 66% NNW 1 mph 91%
3am Showers 40º 58% NW 2 mph 91%
4am Showers 39º 59% WNW 1 mph 93%
5am Showers 39º 56% WSW 1 mph 95%
6am Showers 39º 50% SW 1 mph 97%
7am Rain 39º 79% W 1 mph 97%
8am Rain 39º 83% W 0 mph 98%
9am Rain 40º 88% WSW 0 mph 97%
10am Rain 41º 86% S 1 mph 95%
11am Rain 41º 86% S 2 mph 95%
12pm Rain 41º 81% S 2 mph 95%
1pm Showers 41º 57% SSE 2 mph 93%
2pm Showers 41º 46% S 2 mph 93%
3pm Few Showers 41º 33% SSE 2 mph 92%
4pm Cloudy 41º 24% SE 2 mph 93%
5pm Cloudy 39º 24% SSE 3 mph 97%
6pm Cloudy 39º 23% SSE 4 mph 99%
7pm Cloudy 39º 24% SE 4 mph 97%
8pm Cloudy 39º 19% SE 4 mph 98%
9pm Foggy 39º 22% SE 4 mph 97%
10pm Cloudy 40º 10% SE 5 mph 93%
11pm Cloudy 41º 10% SE 5 mph 89%
Mon
Nov 9 		Showers
View Hourly 		47º / 43º 69% ESE 14 mph 75%
12am Cloudy 41º 18% ESE 6 mph 85%
1am Cloudy 42º 16% ESE 7 mph 82%
2am Cloudy 43º 18% ESE 8 mph 78%
3am Cloudy 44º 21% ESE 10 mph 74%
4am Cloudy 44º 18% ESE 11 mph 73%
5am Cloudy 45º 11% ESE 12 mph 71%
6am Cloudy 45º 11% ESE 13 mph 69%
7am Cloudy 45º 12% ESE 12 mph 69%
Tue
Nov 10 		Rain 47º / 43º 85% ESE 9 mph 84%
Wed
Nov 11 		Rain 46º / 39º 87% SE 8 mph 92%
Thu
Nov 12 		Rain 44º / 36º 78% SE 4 mph 91%
Fri
Nov 13 		Showers 42º / 37º 58% E 4 mph 84%
Sat
Nov 14 		Showers 42º / 37º 47% E 4 mph 81%

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

Today
High : 44ºF
Variable winds 5 kt or less. A chance of rain, mainly after 3pm. Seas 1 to 2 ft.
Tonight
Low : 37ºF
Variable winds 5 kt or less. Rain, mainly after 9pm. Seas 1 ft or less.
Sunday
High : 43ºF
Variable winds 5 kt or less. Rain, mainly before 3pm. Seas 1 ft or less.
Sunday Night
Low : 36ºF
ESE wind 5 to 15 kt. Rain, mainly after 3am. Seas 1 ft building to 4 ft.
Monday
High : 46ºF
ESE wind around 15 kt. Rain. Seas around 4 ft.
Monday Night
Low : 38ºF
ESE wind 10 to 15 kt. Rain. Seas 3 to 4 ft.
Tuesday
High : 48ºF
ESE wind around 10 kt. Rain. Seas around 3 ft.
Tuesday Night
Low : 40ºF
E wind around 10 kt. Rain. Seas around 3 ft.
Veterans Day
High : 48ºF
ESE wind 5 to 10 kt. Rain. Seas 2 to 3 ft.

NOAA Buoy Data Near Petersburg, AK See Map

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    Wind Speed Forecast for Petersburg, AK

    SaturdaySundayMonday
    Wind Speed (MPH) 1332210224611
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 1332210224611
    DIR NENNENNNWWNWWSSESEESEESE

    Current Weather Conditions In Petersburg, AK

    As Of: 6 minutes ago

    • 41ºF
    • 41ºF
    • 1mph
    • 0º (NE)
    • 1mph
    • Light Rain
    • 7mi
    • 29.80"
    • 88%
    • 0ºF

    The weather right now in Petersburg, AK is Light Rain. The current temperature is 41°F, and the expected high and low for today, Saturday, November 7, 2026, are 44° high temperature and 38°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the Northeast. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 41° Fahrenheit. Expected precipitation is 60 percent, with current humidity at 88 percent, and air pressure at 29.8 in. Visibility is 7 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 5:30am Sat Nov 7 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM AKST THIS EVENING...

    WHAT: Northeast winds 15 to 25 kt with gusts up to 35 kt and
    seas 7 to 10 ft expected.

    WHERE: Southern Chatham Strait and Frederick Sound.

    WHEN: From 3 PM this afternoon to 9 PM AKST this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&

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