Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Heat wave to intensify as all-time March records fall across the West. See how hot it will get. Chevron right

Port O'Brien, AK

13°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Port O'Brien

Alaska

13°
No results found.
Try searching for a city, zip code or point of interest.
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 Daily 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 WinterCast Hourly Daily Radar Monthly Air Quality Health & Activities
Saturday, March 21

Current Weather

1:23 AM

13°F
Light snow
RealFeel® -8°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
RealFeel®
-8°
Wind
NW 15 mph
Wind Gusts
18 mph
Humidity
80%
Indoor Humidity
22% (Very Dry)
Dew Point
8° F
Pressure
↓ 29.78 in
Cloud Cover
80%
Visibility
2 mi
Cloud Ceiling
6000 ft

Day

3/21
26°Hi
RealFeel® 16°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 14°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Mostly cloudy and not as cold; a couple of afternoon snow showers

Max UV Index2.0 (Low)

AccuLumen Brightness Index™4 (Dull)

WindNNW 10 mph

Wind Gusts28 mph

Probability of Precipitation96%

Probability of Thunderstorms5%

Precipitation0.03 in

Snow0.46 in

Hours of Precipitation2

Cloud Cover82%

Morning

Afternoon

Night

3/21
18°Lo
RealFeel® 11°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Intermittent snow and flurries in the evening, accumulating a coating to an inch; otherwise, cold with clearing

WindNNW 7 mph

Wind Gusts22 mph

Probability of Precipitation71%

Probability of Thunderstorms1%

Precipitation0.02 in

Snow0.36 in

Hours of Precipitation3

Cloud Cover36%

Evening

Overnight

Sun & Moon

12 hrs 17 mins
Rise 8:13 AM
Set 8:30 PM
Waxing Crescent
Rise 8:27 AM
Set 1:33 AM

Temperature History

3/21
High
Low
Forecast
26°
18°
Average
39°
28°
Last Year
43°
34°
Record
49°
1982
3°
1975

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Western heat wave shatters March records, to expand with more extremes

9 minutes ago

Winter Weather

300 inches of snow: East beats West during upside-down winter

13 hours ago

Winter Weather

Northeast, Midwest bracing for weather whiplash in spring's first days

10 minutes ago

Hurricane

Category 2 Tropical Cyclone Narelle strikes Australia

1 hour ago

Weather Forecasts

Hawaii braces for second Kona storm in a week with renewed flooding

22 minutes ago

 More Stories

Featured Stories

Weather News

Leaves are coming out 3-4 weeks early in some places this spring

17 hours ago

Climate

Monarch population rises in Mexico, but California numbers drop

17 hours ago

Astronomy

Astronauts enter quarantine; NASA rolls moon rocket to launchpad

18 hours ago

Recreation

Death Valley's superbloom, ancient lake are disappearing

21 hours ago

Recreation

Top 10 National Parks of 2025 revealed

1 day 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

...

...

...