Weather forecast for tomorrowJuneau, AK

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 45°F
  • 39°F
Rain
Rain
  • Precip. probability: 79%
  • Precipitation: 0.43"
  • Wind: 9mphESE 112°
  • Humidity: 94%
  • UV index: 0
  • Sunrise: 7:41 am AKDT
  • Sunset: 5:44 pm AKDT
  • ▼
Tomorrow, in Juneau, rainfall will continue, making for a gray and wet day.
The likelihood of rainfall is high, and precipitation will be moderate. The highest daytime temperature will reach a chilly 44.6°F, creating a slight contrast with the predicted nighttime low of a cold 39.2°F.
A forecast high of 44.6°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:41 am and sunset at 5:44 pm; tomorrow's daylight will last for 10h and 3min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 45°C.
Coldest hour: 9 pm 41°C.

Chance of precipitation

Highest chance: 3 am 93%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    39°F
Rain
Rain
  • Precip. probability: 86%
  • Precipitation: 0.04"
  • Wind: 7mphSE 134°
  • Humidity: 99%
  • Pressure: 29.85"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    39°F
Rain
Rain
  • Precip. probability: 84%
  • Precipitation: 0.04"
  • Wind: 9mphESE 123°
  • Humidity: 98%
  • Pressure: 29.85"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    37°F
Rain
Rain
  • Precip. probability: 90%
  • Precipitation: 0.04"
  • Wind: 9mphSE 125°
  • Humidity: 98%
  • Pressure: 29.88"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    39°F
Rain
Rain
  • Precip. probability: 81%
  • Precipitation: 0.08"
  • Wind: 7mphESE 119°
  • Humidity: 96%
  • Pressure: 29.91"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
Sunrise: 7:41 am
  • 8 am
  • 43°F
  • Feels like:
    37°F
Light Rain
Light Rain
  • Precip. probability: 73%
  • Precipitation: 0.04"
  • Wind: 7mphESE 111°
  • Humidity: 96%
  • Pressure: 29.94"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    39°F
Rain
Rain
  • Precip. probability: 63%
  • Precipitation: 0.04"
  • Wind: 7mphESE 105°
  • Humidity: 98%
  • Pressure: 29.94"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 12 pm
  • 45°F
  • Feels like:
    39°F
Rain
Rain
  • Precip. probability: 74%
  • Precipitation: 0.04"
  • Wind: 7mphESE 112°
  • Humidity: 92%
  • Pressure: 29.97"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 2 pm
  • 45°F
  • Feels like:
    39°F
Showers
Showers
  • Precip. probability: 59%
  • Precipitation: 0.04"
  • Wind: 9mphESE 118°
  • Humidity: 91%
  • Pressure: 29.97"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 4 pm
  • 45°F
  • Feels like:
    39°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Wind: 7mphESE 114°
  • Humidity: 91%
  • Pressure: 30"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
Sunset: 5:44 pm
  • 6 pm
  • 43°F
  • Feels like:
    39°F
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 0.04"
  • Wind: 6mphE 100°
  • Humidity: 93%
  • Pressure: 30"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 8 pm
  • 41°F
  • Feels like:
    39°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Wind: 5mphE 90°
  • Humidity: 98%
  • Pressure: 30.03"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 10 pm
  • 41°F
  • Feels like:
    37°F
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 0.04"
  • Wind: 5mphE 98°
  • Humidity: 96%
  • Pressure: 30.03"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, rainy weather is expected.
Rainfall is forecasted throughout the entire day, with precipitation varying from a minimal 0.04" to a maximum of 0.08". With light precipitation of 0.08", the most intense rain will be falling at 5 am and 6 am.
The temperature variation throughout the day will be indistinguishable, with the lowest temperature of 41°F and the highest temperature of 44.6°F. The warmest part of the day will be from noon to 4 pm.
The highest temperature tomorrow will resemble September's average maximum of 48.2°F more than October's average. The expected low will be also more comparable to what’s typical in September than in October.
Updated: Oct 17, 2026 @ 16:19:35 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Juneau, showers will linger, keeping conditions wet for most of the day.

Moderate precipitation of 0.43" is forecasted. The likelihood of rainfall is 79%.

Tomorrow, the highest temperature will be 44.6°F, while the lowest temperature will be 39.2°F.
The highest temperature will be slightly warmer than the average maximum of 39°F in October. Tomorrow, the lowest temperature will be also a couple of degrees higher than the average low temperature.

On Sunday, in Juneau, sunrise will be at 7:41 am and sunset at 5:44 pm (AKDT).

In Juneau, the length of the day tomorrow will be 10h and 3min.