Anchorage Municipality Weather in August
Average highs run from 67°F on August 1 to 61°F on August 31, and lows from 47°F to 42°F. Normal precipitation for the month is 2.62 in.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 65°F
- Average low
- 45°F
- Precipitation
- 2.62 in
- Record high
- 84°FAug 18, 2004
- Record low
- 31°FAug 29, 2015
- Chance of a freeze
- 5%
- Daylight
- 17 h 04 min to 14 h 19 min
- Cloud cover
- 76%
- Humidity
- 85%
- Dew point
- 46°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 67°F | 47°F | 80°F 2002 | 44°F 1991 | 0% | |
| Aug 2 | 67°F | 47°F | 78°F 2002 | 39°F 2003 | 0% | |
| Aug 3 | 67°F | 47°F | 79°F 2021 | 42°F 1991 | 0% | |
| Aug 4 | 67°F | 47°F | 77°F 1999 | 42°F 1991 | 0% | |
| Aug 5 | 67°F | 47°F | 77°F 2015 | 41°F 1990 | 0% | |
| Aug 6 | 67°F | 47°F | 76°F 2004 | 43°F 1995 | 0% | |
| Aug 7 | 66°F | 47°F | 77°F 2024 | 40°F 1996 | 0% | |
| Aug 8 | 66°F | 47°F | 78°F 2004 | 41°F 1998 | 0% | |
| Aug 9 | 66°F | 46°F | 78°F 2003 | 42°F 2008 | 0% | |
| Aug 10 | 66°F | 46°F | 81°F 2003 | 41°F 2008 | 0% | |
| Aug 11 | 66°F | 46°F | 80°F 2004 | 42°F 2022 | 0% | |
| Aug 12 | 66°F | 46°F | 78°F 1990 | 43°F 2008 | 0% | |
| Aug 13 | 66°F | 46°F | 81°F 2005 | 41°F 2024 | 0% | |
| Aug 14 | 65°F | 46°F | 78°F 2007 | 43°F 1998 | 0% | |
| Aug 15 | 65°F | 45°F | 77°F 1990 | 35°F 2000 | 0% | |
| Aug 16 | 65°F | 45°F | 76°F 2020 | 37°F 2000 | 0% | |
| Aug 17 | 65°F | 45°F | 83°F 2004 | 41°F 1998 | 0% | |
| Aug 18 | 64°F | 45°F | 84°F 2004 | 40°F 1998 | 0% | |
| Aug 19 | 64°F | 45°F | 73°F 2004 | 40°F 1998 | 0% | |
| Aug 20 | 64°F | 44°F | 71°F 2004 | 39°F 2024 | 0% | |
| Aug 21 | 64°F | 44°F | 71°F 1995 | 41°F 2019 | 0% | |
| Aug 22 | 63°F | 44°F | 75°F 2004 | 39°F 1994 | 0% | |
| Aug 23 | 63°F | 44°F | 74°F 2004 | 37°F 2000 | 0% | |
| Aug 24 | 63°F | 43°F | 76°F 2004 | 37°F 2000 | 0% | |
| Aug 25 | 63°F | 43°F | 74°F 2004 | 39°F 2000 | 0% | |
| Aug 26 | 62°F | 43°F | 72°F 2010 | 35°F 2000 | 0% | |
| Aug 27 | 62°F | 43°F | 76°F 1990 | 35°F 2000 | 0% | |
| Aug 28 | 62°F | 42°F | 77°F 1990 | 32°F 1998 | 0% | |
| Aug 29 | 61°F | 42°F | 72°F 2016 | 31°F 2015 | 0% | |
| Aug 30 | 61°F | 42°F | 74°F 2016 | 35°F 2015 | 0% | |
| Aug 31 | 61°F | 42°F | 71°F 2016 | 34°F 2015 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKDT).
- August 1
- sunrise 5:30 AM, sunset 10:34 PM
- August 31
- sunrise 6:47 AM, sunset 9:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00502642 (Eagle Rvr Nature Ctr), public domain. Records: NOAA GHCN-Daily, station USC00503163, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.