Weather forecast for tomorrowPort Heiden, AK

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 46°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.24"
  • Wind: 13mphW 263°
  • Humidity: 84%
  • UV index: 1
  • Sunrise: 9:17 am AKDT
  • Sunset: 7:21 pm AKDT
  • ▼
Tomorrow, on Monday, widespread cloud cover is expected.
The likelihood of rainfall is low, and light precipitation is predicted. Slight changes in temperature are forecasted, reaching a high of a chilly 46.4°F and decreasing to a low of a cold 39.2°F.
October's standard high of 44.8°F is anticipated to be reached during the day.
Sunrise will be at 9:17 am and sunset at 7:21 pm; tomorrow's daylight will last for 10h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 12 am 46°C.
Coldest hour: 9 pm 41°C.

Chance of precipitation

Highest chance: 3 am 46%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    41°F
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Wind: 11mphSW 223°
  • Humidity: 93%
  • Pressure: 29.56"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    39°F
Showers
Showers
  • Precip. probability: 57%
  • Precipitation: 0.04"
  • Wind: 11mphWSW 239°
  • Humidity: 93%
  • Pressure: 29.56"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    37°F
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Wind: 10mphWSW 245°
  • Humidity: 95%
  • Pressure: 29.56"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphWSW 249°
  • Humidity: 95%
  • Pressure: 29.53"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 8 am
  • 43°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 10mphWSW 251°
  • Humidity: 91%
  • Pressure: 29.53"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 9:17 am
  • 10 am
  • 43°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 9mphWSW 244°
  • Humidity: 88%
  • Pressure: 29.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 pm
  • 45°F
  • Feels like:
    39°F
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Wind: 11mphWSW 253°
  • Humidity: 82%
  • Pressure: 29.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 pm
  • 45°F
  • Feels like:
    39°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphW 264°
  • Humidity: 79%
  • Pressure: 29.5"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 45°F
  • Feels like:
    39°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 12mphWNW 283°
  • Humidity: 79%
  • Pressure: 29.47"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 pm
  • 45°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 11mphWNW 296°
  • Humidity: 79%
  • Pressure: 29.44"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 7:21 pm
  • 8 pm
  • 43°F
  • Feels like:
    36°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphWNW 300°
  • Humidity: 84%
  • Pressure: 29.41"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 41°F
  • Feels like:
    34°F
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 0.04"
  • Wind: 11mphWNW 304°
  • Humidity: 89%
  • Pressure: 29.41"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of wet and dull weather is predicted.
With minimal precipitation of 0.04", rainfall is predicted from 12 am to 5 am, 12 pm, 10 pm and at 11 pm.
The temperature difference throughout the day will be unnoticeable, with a minimum of 41°F and a maximum of 46.4°F. The feels-like temperature will be between the lowest temperature of 32°F and the highest temperature of 41°F. The warmest part of the day will be at midnight and 1 am.
The forecasted high will be alike with the typical October maximum of 44.8°F. The minimum temperature will be also similar to October's average low of 39.9°F.
Updated: Oct 18, 2026 @ 10:42:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, low clouds will cover the sky.

With a probability of 24%, light precipitation of 0.24" is forecasted.

Tomorrow, the maximum temperature will be 46.4°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be in line with the average highest temperature of 44.8°F in October. The lowest temperature will be also in line with the average low of 39.9°F.

On Monday, in Port Heiden, sunrise will be at 9:17 am and sunset at 7:21 pm (AKDT).

In Port Heiden, tomorrow, there will be 10h and 4min of daylight.