Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
LIVE: Gulf Coast bracing for Hurricane Isaias. See the latest reports. Chevron right
Hurricane Isaias becomes Category 2 storm. Click for the track map. Chevron right

Port O'Brien, AK

44°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Port O'Brien

Alaska

44°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Port O'Brien, AK Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 10-Day Radar Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

6 PM

43°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™40°

WindW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts13 mph

Humidity63%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

41°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Mostly sunny

RealFeel Shade™38°

WindW 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts9 mph

Humidity65%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover20%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

38°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity74%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

36°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Mostly clear

WindWSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity81%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

34°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Partly cloudy

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity92%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover44%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

35°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 79%
Chevron down
Rain

WindSW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity89%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.01 in

Visibility6 mi

Cloud Ceiling7000 ft

Hourly Weather Forecast for Port O'Brien

AccuWeather's hourly forecast for Port O'Brien provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 43° with a RealFeel® of 40°, mostly sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Live Blog

LIVE: Hurricane Isaias path, landfall timing and evacuation updates

LATEST ENTRY

How will Isaias compare to Helene?

3 hours ago

Hurricane

Isaias is Atlantic’s first hurricane; to reach US coast this weekend

3 hours ago

Winter Weather

Winter forecast 2026-2027: El Niño to reshape snow, cold across US

11 hours ago

Hurricane

Simon to become Category 4 hurricane, part of triple tropical threat

6 hours ago

Severe Weather

Isaias may spin up tornadoes as it tracks across the Southeast

3 hours ago

 More Stories

Featured Stories

Hurricane

Isaias breaks 121-year record as the Atlantic's latest first hurricane

29 minutes ago

Weather News

Saturday brings prime fall foliage viewing in the East ahead of Isaias

1 day ago

Weather News

October heat strains Southern California grid as thousands lose power

3 days ago

Astronomy

Jupiter disappeared behind the moon in an eclipse-like event

2 days ago

Travel

Sycamore Gap tree sprouts new life 3 years after vandals cut it down

3 days ago
World North America United States Alaska Port O'Brien

Weather Near Port O'Brien:

  • Anchorage, AK
  • Knik-Fairview, AK
  • Tanaina, AK
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...