Weather forecast for 10 daysPetersburg, AK
Weather forecast for the weekend
Sunday Oct 18, 2026
- 45°F
- 36°F
Rain
- Precip. probability: 100%
- Precipitation: 0.47"
- Wind: 3mphESE 105°
- Humidity: 96%
- UV index: 1
- Sunrise: 7:32 am AKDT
- Sunset: 5:41 pm AKDT
- details ▼
Today, on Sunday, October 18, rain showers are expected, with damp conditions lasting through the day.
The likelihood of rainfall is high, and precipitation will be moderate. A modest temperature shift from a brisk 44.6°F at its peak to an icy 35.6°F at its lowest point is predicted.
Today's highest temperature is anticipated to match the regular high for October at 46°F.
Sunrise will be at 7:32 am and sunset at 5:41 pm; the daylight will last for 10h and 10min.
The likelihood of rainfall is high, and precipitation will be moderate. A modest temperature shift from a brisk 44.6°F at its peak to an icy 35.6°F at its lowest point is predicted.
Today's highest temperature is anticipated to match the regular high for October at 46°F.
Sunrise will be at 7:32 am and sunset at 5:41 pm; the daylight will last for 10h and 10min.
10-day overview
Daily temperatures
Warmest day: Tuesday 46°C.
Minimum temperature: 43°C.
Minimum temperature: 43°C.
Chance of precipitation
Highest chance: 100%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 45°F
- 36°F
Rain
- Precip. probability: 100%
- Precipitation: 0.47"
- Wind: 3mphESE 105°
- Humidity: 96%
- UV index: 1
- Sunrise: 7:32 am AKDT
- Sunset: 5:41 pm AKDT
- details ▼
- Monday
- Oct 19, 2026
- 45°F
- 41°F
Cloudy
- Precip. probability: 23%
- Precipitation: 0.31"
- Wind: 2mphNE 52°
- Humidity: 92%
- UV index: 1
- Sunrise: 7:34 am AKDT
- Sunset: 5:39 pm AKDT
- details ▼
- Tuesday
- Oct 20, 2026
- 46°F
- 41°F
Rain
- Precip. probability: 100%
- Precipitation: 1.3"
- Wind: 11mphSE 125°
- Humidity: 95%
- UV index: 1
- Sunrise: 7:36 am AKDT
- Sunset: 5:36 pm AKDT
- details ▼
- Wednesday
- Oct 21, 2026
- 45°F
- 37°F
Rain
- Precip. probability: 91%
- Precipitation: 0.55"
- Wind: 5mphSE 133°
- Humidity: 95%
- UV index: 1
- Sunrise: 7:38 am AKDT
- Sunset: 5:34 pm AKDT
- details ▼
- Thursday
- Oct 22, 2026
- 43°F
- 36°F
Light Rain
- Precip. probability: 73%
- Precipitation: 0.31"
- Wind: 4mphESE 112°
- Humidity: 95%
- UV index: 0
- Sunrise: 7:40 am AKDT
- Sunset: 5:31 pm AKDT
- details ▼
- Friday
- Oct 23, 2026
- 45°F
- 32°F
AM Showers
- Precip. probability: 31%
- Precipitation: 0.04"
- Wind: 2mphNNE 16°
- Humidity: 86%
- UV index: 1
- Sunrise: 7:42 am AKDT
- Sunset: 5:29 pm AKDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 32°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 2mphN 353°
- Humidity: 82%
- UV index: 1
- Sunrise: 7:45 am AKDT
- Sunset: 5:26 pm AKDT
- details ▼
- Sunday
- Oct 25, 2026
- 43°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 2mphNNW 348°
- Humidity: 85%
- UV index: 1
- Sunrise: 7:47 am AKDT
- Sunset: 5:24 pm AKDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 34°F
Few Showers
- Precip. probability: 35%
- Precipitation: 0.08"
- Wind: 2mphNNW 343°
- Humidity: 90%
- UV index: 1
- Sunrise: 7:49 am AKDT
- Sunset: 5:22 pm AKDT
- details ▼
- Tuesday
- Oct 27, 2026
- 43°F
- 34°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0.08"
- Wind: 2mphN 351°
- Humidity: 87%
- UV index: 1
- Sunrise: 7:51 am AKDT
- Sunset: 5:19 pm AKDT
- details ▼
It is expected that a combination of showery and cloud-filled weather is anticipated.
Rainfall is expected on Sunday through Friday, next Sunday through next Tuesday.
The maximum temperature will be almost identical throughout the coming week. The maximum temperature will vary between 42.8°F and 46.4°F, while the forecast minimum temperature falls between 32°F and 41°F.
The warmest day will be Tuesday, with a maximum of 46.4°F; with a maximum temperature of 42.8°F, Thursday, next Sunday through next Tuesday will be the coldest days in Petersburg.
Rainfall is expected on Sunday through Friday, next Sunday through next Tuesday.
The maximum temperature will be almost identical throughout the coming week. The maximum temperature will vary between 42.8°F and 46.4°F, while the forecast minimum temperature falls between 32°F and 41°F.
The warmest day will be Tuesday, with a maximum of 46.4°F; with a maximum temperature of 42.8°F, Thursday, next Sunday through next Tuesday will be the coldest days in Petersburg.
Updated: Oct 18, 2026 @ 12:12:22 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, expect rain to be steady at times, with occasional breaks.
With a probability of 100%, moderate precipitation of 0.47" is anticipated.
Today, the highest temperature will be 44.6°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 46°F in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.
The maximum temperature will be in line with the average highest temperature of 46°F in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.
On Sunday, in Petersburg, sunrise will be at 7:32 am and sunset at 5:41 pm (AKDT).
In Petersburg, Alaska, today, there will be 10h and 10min of daylight.
