Weather on August 18
Anchorage, AK
55 Years of Data
About This Date
August 18th in Anchorage, AK typically brings mild summer weather, with average highs around 65°F and lows near 51°F. Over 30 years of records, the warmest August 18th was in 2004 (64°F average), while the coldest was 2018 (51°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 53% of August 18th dates historically, with the wettest August 18th recording 2.39" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for August 18th in Anchorage, AK? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 53° | 61° | — | — |
| 2024 | 67° | 57° | 62° | 0.18" | — |
| 2023 | 67° | 46° | 56° | — | — |
| 2022 | 57° | 50° | 54° | 0.81" | — |
| 2021 | 65° | 53° | 59° | 0.05" | — |
| 2020 | 63° | 56° | 59° | 0.48" | — |
| 2019 | 68° | 54° | 61° | — | — |
| 2018coldest | 61° | 41° | 51° | — | — |
| 2017 | 58° | 48° | 53° | 0.66" | — |
| 2016 | 70° | 55° | 62° | 0.05" | — |
| 2015 | 73° | 55° | 64° | 0.43" | — |
| 2014 | 68° | 56° | 62° | — | — |
| 2013 | 63° | 57° | 60° | 0.81" | — |
| 2012 | 63° | 47° | 55° | 0.28" | — |
| 2011 | 65° | 53° | 59° | 0.23" | — |
| 2010 | 66° | 49° | 57° | — | — |
| 2009 | 68° | 47° | 57° | — | — |
| 2008 | 65° | 50° | 57° | — | — |
| 2007 | 66° | 50° | 58° | 0.03" | — |
| 2006 | 61° | 52° | 56° | 2.39" | — |
| 2005 | 67° | 54° | 60° | 0.03" | — |
| 2004warmest | 71° | 58° | 64° | — | — |
| 2003 | 65° | 47° | 56° | 0.05" | — |
| 2002 | 69° | 48° | 59° | — | — |
| 2001 | 66° | 56° | 61° | 0.3" | — |
| 2000 | 67° | 54° | 60° | 0.28" | — |
| 1999 | 72° | 52° | 62° | — | — |
| 1998 | 61° | 47° | 54° | — | — |
| 1972 | 60° | 45° | 52° | — | — |
| 1971 | 61° | 51° | 56° | — | — |
Anchorage, AK Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Anchorage, AK Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Anchorage, AK Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Anchorage, AK
Anchorage, AK has no months that meet our "pleasant" threshold — every season has tradeoffs.