Weather on August 18
Anchorage, AK
55 Years of Data
Avg High
65°F
Avg Low
51°F
Warmest
2004
64°F avg
Coldest
2018
51°F avg
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.
Warming Trend
0.6°F per decade on this date
| 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° | — | — |
30 years of data from ANCHORAGE PARK STRIP