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Old Harbor, Alaska 99643 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Old Harbor, Alaska 99643. Always follow local warnings and emergency instructions.

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Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Old Harbor, Alaska 99643 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Old Harbor, Alaska 99643

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

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What’s next

Hourly forecast

Old Harbor, Alaska 99643

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Old Harbor, Alaska 99643. Forecasts and alerts update from NOAA and the National Weather Service.

52°Partly Sunny3% rain
54°Partly Sunny3% rain
55°Partly Sunny3% rain
56°Partly Sunny1% rain
56°Partly Sunny1% rain
57°Mostly Cloudy1% rain
56°Mostly Cloudy1% rain
54°Mostly Cloudy1% rain

Next 24 hours

Rain Timeline

Highest chance 49%

Most likely around 10 AM, 11 AM, 12 PM. Expected type: Rain.

3%None
3%None
3%None
1%None
1%None
1%None
1%None
1%None
1%None
1%None
1%None
1%None
3%None
3%None
3%None
9%None
9%None
9%None
22%Rain
22%Rain
22%Rain
49%Rain
49%Rain
49%Rain

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

57°43°

Partly Sunny

Precipitation
9%
Wind
N 10 mph
Sunrise
7:04 AM
Sunset
9:49 PM

Mon

54°48°

Light Rain

Precipitation
82%
Wind
SW 0 to 10 mph
Sunrise
7:06 AM
Sunset
9:47 PM

Tue

54°43°

Light Rain

Precipitation
83%
Wind
SW 10 to 15 mph
Sunrise
7:09 AM
Sunset
9:44 PM

Wed

56°43°

Light Rain Likely

Precipitation
61%
Wind
N 5 to 10 mph
Sunrise
7:11 AM
Sunset
9:41 PM

Thu

57°44°

Chance Rain Showers

Precipitation
51%
Wind
W 5 to 15 mph
Sunrise
7:13 AM
Sunset
9:38 PM

Fri

52°42°

Chance Rain Showers

Precipitation
43%
Wind
SW 20 mph
Sunrise
7:15 AM
Sunset
9:36 PM

Sat

50°42°

Chance Rain Showers

Precipitation
43%
Wind
NW 20 mph
Sunrise
7:17 AM
Sunset
9:33 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel61°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindNW6 mph
Best walk timeBetter weather window: 4 PM–6 PM

Walking: 1% average rain chance, near 56°F, with winds near 10 mph.

Official EPA AirNowLocal air qualityOld Harbor, Alaska 99643
View AQI +
More weather details
Wind gustsNot reported
Rain now3%next hour
Humidity63%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure
Visibility10.0 mi
Peak rain chance49%
Dew point48°F
Active alertsNone

Official risk outlooks

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Official tropical weather

Hurricane center

NOAA National Hurricane Center updates, outlooks, and storm resources in one place.