Anchorage, AK Weather

Alaska, United States 🇺🇸 · Local time 10:00
47°
Sunny Feels like 43° · High 59° / Low 46°
Wind
9 mph
Humidity
91%
0 Low
Updated 2 hours ago

Anchorage hourly forecast: next 24 hours

Today's high of 59°F (15°C) is about 5°F (3°C) below the typical August high of 64°F (18°C).

Now
16%
11 AM
12 PM
1 PM
2 PM
3 PM
4 PM
5 PM
6 PM
7 PM
8 PM
9 PM
9:26 PM
Sunset
10 PM
11 PM
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
17%
6 AM
22%
6:39 AM
Sunrise
7 AM
26%
8 AM
29%
9 AM
27%

Full Anchorage hourly forecast →

Current conditions in detail

Feels like
43°
Wind
9 mph
N · gusts 13 mph
Humidity
91%
Pressure
30.04 in
Visibility
6 mi
Precipitation
0.0 in
37% chance today

Anchorage weather tomorrow (Thursday, August 27)

Tomorrow in Anchorage looks overcast, with a high of 56° and an overnight low of 45°. There is a 70% chance of rain - plan accordingly. Winds top out near 8 mph, and the UV index reaches 3 (moderate).

High / Low
56° / 45°
Precipitation
70%
Sunrise / sunset
06:39 AM / 09:23 PM

See the full Anchorage 14-day forecast →

Anchorage 14-day forecast

Today
Sunny
High 59° Low 46°
Chance of precipitation: 37%
Thu, Aug 27 Thursday
Overcast
High 56° Low 45°
Chance of precipitation: 70%
Fri, Aug 28 Friday
Light rain shower
High 53° Low 49°
Chance of precipitation: 92%
Sat, Aug 29 Saturday
Patchy rain nearby
High 57° Low 50°
Chance of precipitation: 81%
Sun, Aug 30 Sunday
Overcast
High 54° Low 44°
Chance of precipitation: 15%
Mon, Aug 31 Monday
Light rain shower
High 51° Low 47°
Chance of precipitation: 88%
Tue, Sep 1 Tuesday
Sunny
High 52° Low 39°
Chance of precipitation: 18%
Wed, Sep 2 Wednesday
Overcast
High 52° Low 36°
Chance of precipitation: 14%
Thu, Sep 3 Thursday
Patchy rain nearby
High 47° Low 44°
Chance of precipitation: 88%
Fri, Sep 4 Friday
Light rain shower
High 51° Low 46°
Chance of precipitation: 86%
Sat, Sep 5 Saturday
Mist
High 57° Low 50°
Chance of precipitation: 86%
Sun, Sep 6 Sunday
Light rain shower
High 56° Low 52°
Chance of precipitation: 91%
Mon, Sep 7 Monday
Overcast
High 56° Low 52°
Chance of precipitation: 85%
Tue, Sep 8 Tuesday
Overcast
High 52° Low 43°
Chance of precipitation: 28%

About the weather in Anchorage

A 24°C spread between its warmest and coolest months puts Anchorage among the more strongly seasonal places we cover. July averages 67°F (20°C) by day; January averages 21°F (-6°C), with nights at 12°F (-11°C).

Anchorage weather: quick facts

  • Hottest month: July - highs near 67°F (20°C)
  • Coldest month: January - highs near 21°F (-6°C)
  • Decade extremes (2015-2024): 90°F (32°C) high · -20°F (-29°C) low
  • Wettest month: September (17 rainy days) · Sunniest: June (12.6 h sun/day)
  • Climate type: subarctic
  • Annual swing: 24°C between the average warmest and coolest month · day to night: 7°C
  • Snow: about 50 days a year
  • Months with freezing average lows: 6
  • Average humidity: 77%

Temperatures through the year

At its warmest, in July, Anchorage runs to 67°F (20°C) in the afternoon and back to 54°F (12°C) by dawn. January is the coolest month, with highs of 21°F (-6°C) and lows near 12°F (-11°C). Between the average July and the average January lie 24°C, a wider spread than roughly 80% of the cities we track.

Rain, sun and snow

June is the brightest month at 12.6 hours of sun a day, against an annual average of 7.1 - duller than almost anywhere else we cover. Snow falls on roughly 50 days a year, mostly September through April. Overnight lows average at or below freezing for 6 months, November through April. Precipitation concentrates in September - 5.0 inches (128 mm) on 17 days - and thins out by April. The gridded 2015-2024 daily record for this location tops out at 90°F (32°C) and bottoms at -20°F (-29°C) - decade extremes, not all-time station records.

Season by season

Spring (March through May)

Through spring, Anchorage is chilly: 45°F (7°C) by day, 29°F (-2°C) after dark, and expect showers on roughly 30 days across the season, plus about 10 snowy days.

Summer (June through August)

Through summer, Anchorage stays on the cool side of mild: 66°F (19°C) by day, 52°F (11°C) after dark, and rain falls on around 38 of the 90 days. Daylight is generous - around 10.7 hours of sun a day.

Fall (September through November)

Through fall, Anchorage is brisk and cold: 42°F (6°C) by day, 32°F (0°C) after dark, and rain falls on around 43 of the 90 days, plus about 11 snowy days.

Winter (December through February)

Winter runs to hard cold here - highs near 23°F (-5°C), nights near 14°F (-10°C), and rain falls on around 37 of the 90 days, plus about 28 snowy days. Sun is scarce, averaging 2.9 hours a day. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.

Average temperatures in Anchorage by month

Monthly averages for Anchorage based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 21° 12° 11 2.1 in 2.8 h/day 83%
February 25° 15° 12 2.4 in 4.5 h/day 81%
March 33° 19° 9 1.6 in 7.5 h/day 75%
April 45° 28° 8 1.3 in 10.0 h/day 72%
May 56° 40° 12 1.8 in 11.3 h/day 69%
June 65° 50° 10 1.8 in 12.6 h/day 67%
July 67° 54° 12 3.8 in 10.8 h/day 74%
August 64° 52° 16 4.7 in 8.8 h/day 78%
September 55° 44° 17 5.0 in 6.8 h/day 82%
October 43° 33° 14 3.7 in 5.0 h/day 81%
November 28° 19° 12 3.0 in 3.3 h/day 81%
December 24° 14° 14 2.9 in 1.5 h/day 84%

Explore Anchorage's full climate guide →

Common questions

Which month is warmest in Anchorage?
July, averaging 67°F (20°C) by day and 54°F (12°C) overnight. The hottest single day in our 2015-2024 record for this location reached 90°F (32°C).
When does it rain most in Anchorage?
September, at 5.0 inches (128 mm) over about 17 days. April is the driest month, at 1.3 inches (34 mm).
When is Anchorage at its coldest?
January, with highs of 21°F (-6°C) and lows near 12°F (-11°C). The coldest day in the 2015-2024 record fell to -20°F (-29°C).
Is there snow in Anchorage?
Yes - about 50 days a year carry measurable snowfall, concentrated September through April.
What is the best time to visit Anchorage?
May to August is the sweet spot for Anchorage - these are the warmest and brightest weeks of the year. Expect 63°F (17°C) in the afternoon and around 12 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in May.
How humid does Anchorage get?
Relative humidity averages 77% across the year, which reads as fairly humid. The most comfortable stretch falls in the drier half of the year.