Weather forecast for tomorrowPetersburg, AK
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 45°F
- 36°F
Rain
- Precip. probability: 95%
- Precipitation: 0.39"
- Wind: 3mphESE 103°
- Humidity: 95%
- UV index: 1
- Sunrise: 7:32 am AKDT
- Sunset: 5:41 pm AKDT
- details ▼
On Sunday, in Petersburg, wet conditions will dominate, with rain falling for much of the day.
The likelihood of rainfall for tomorrow is high. However, precipitation will be light. The peak daytime temperature will reach a chilly 44.6°F, while the nighttime temperature will drop to an icy 35.6°F.
The highest temperature is anticipated to reflect October's average of 46°F.
Sunrise will be at 7:32 am and sunset at 5:41 pm; tomorrow's daylight will last for 10h and 10min.
The likelihood of rainfall for tomorrow is high. However, precipitation will be light. The peak daytime temperature will reach a chilly 44.6°F, while the nighttime temperature will drop to an icy 35.6°F.
The highest temperature is anticipated to reflect October's average of 46°F.
Sunrise will be at 7:32 am and sunset at 5:41 pm; tomorrow's daylight will last for 10h and 10min.
Hourly overview
Hourly temperatures
Maximum temperature: 45°C.
Coldest hour: 9 pm 41°C.
Coldest hour: 9 pm 41°C.
Chance of precipitation
Highest chance: 9 am 95%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:43°F
Rain
- Precip. probability: 71%
- Precipitation: 0.04"
- Wind: 4mphS 177°
- Humidity: 94%
- Pressure: 29.94"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Showers
- Precip. probability: 45%
- Precipitation: 0.04"
- Wind: 4mphS 184°
- Humidity: 97%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:43°F
Rain
- Precip. probability: 83%
- Precipitation: 0.04"
- Wind: 3mphS 180°
- Humidity: 97%
- Pressure: 29.97"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:45°F
Rain
- Precip. probability: 83%
- Precipitation: 0.12"
- Wind: 3mphSSE 166°
- Humidity: 95%
- Pressure: 29.97"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
Sunrise: 7:32 am
- 8 am
- 43°F
- Feels like:43°F
Rain
- Precip. probability: 92%
- Precipitation: 0.04"
- Wind: 3mphSSE 146°
- Humidity: 96%
- Pressure: 29.97"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 10 am
- 43°F
- Feels like:43°F
Rain
- Precip. probability: 95%
- Precipitation: 0.08"
- Wind: 3mphE 95°
- Humidity: 97%
- Pressure: 30"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 12 pm
- 45°F
- Feels like:43°F
Rain
- Precip. probability: 92%
- Precipitation: 0.08"
- Wind: 3mphE 96°
- Humidity: 94%
- Pressure: 30"Hg
- Visibility: 2mi
- UV index: 1
- details ▼
- 2 pm
- 45°F
- Feels like:45°F
Light Rain
- Precip. probability: 66%
- Precipitation: 0.04"
- Wind: 2mphE 90°
- Humidity: 93%
- Pressure: 30"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 4 pm
- 45°F
- Feels like:45°F
Showers
- Precip. probability: 37%
- Precipitation: 0.04"
- Wind: 1mphENE 74°
- Humidity: 95%
- Pressure: 30"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
Sunset: 5:41 pm
- 6 pm
- 43°F
- Feels like:43°F
Mostly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 1mphESE 106°
- Humidity: 97%
- Pressure: 30.03"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 8 pm
- 41°F
- Feels like:41°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 0mphW 270°
- Humidity: 97%
- Pressure: 30.03"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 pm
- 41°F
- Feels like:41°F
Mostly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 0mphWNW 281°
- Humidity: 97%
- Pressure: 30.06"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
Tomorrow, primarily rain-soaked and occasionally dull weather is forecasted.
Rainfall is forecasted from 12 am to 5 pm. With light precipitation of 0.12", most rainfall is expected at 6 am.
The temperature variation will be unnoticeable, with a minimum of 41°F and a maximum of 44.6°F. The warmest part of the day will be from midnight to 3 am, 5 am, 6 am, and from 11 am to 4 pm.
The temperature tomorrow will be consistent with the average high in October. The lowest temperature is expected to be also a few degrees lower than the average minimum in October, typically 39.7°F.
Rainfall is forecasted from 12 am to 5 pm. With light precipitation of 0.12", most rainfall is expected at 6 am.
The temperature variation will be unnoticeable, with a minimum of 41°F and a maximum of 44.6°F. The warmest part of the day will be from midnight to 3 am, 5 am, 6 am, and from 11 am to 4 pm.
The temperature tomorrow will be consistent with the average high in October. The lowest temperature is expected to be also a few degrees lower than the average minimum in October, typically 39.7°F.
Updated: Oct 17, 2026 @ 15:37:33 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
On Sunday, rainfall will continue, making for a gray and wet day.
Light precipitation of 0.39" is anticipated. The chance of rainfall is high at 95%.
Tomorrow, the highest temperature will be 44.6°F, while the lowest temperature will be 35.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature will be moderately lower than the average low of 39.7°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature will be moderately lower than the average low of 39.7°F.
On Sunday, in Petersburg, sunrise will be at 7:32 am and sunset at 5:41 pm (AKDT).
In Petersburg, tomorrow, there will be 10h and 10min of daylight.
