Weather on July 18 at Katmai
Katmai National Park and Preserve
AKAlaska200 ft elevation
Avg High69°F
Avg Low54°F
Warmest201671°F
Coldest199953°F
Based on 30 years of data from Anchorage, AK
Planning Your Visit
July 18th in Katmai National Park (via Anchorage, AK) typically brings mild summer weather, with average highs around 69°F and lows near 54°F. Over 30 years of records, the warmest July 18th was in 2016 (71°F average), while the coldest was 1999 (53°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 47% of July 18th dates historically. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for July 18th in Katmai? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 59°F | 50°F | 0.09" | -- |
| 2025 | 68°F | 55°F | 0" | -- |
| 2024 | 59°F | 51°F | 0.25" | -- |
| 2023 | 73°F | 54°F | 0" | -- |
| 2022 | 69°F | 54°F | 0.11" | -- |
| 2021 | 83°F | 60°F | 0" | -- |
| 2020 | 70°F | 58°F | 0" | -- |
| 2019 | 79°F | 54°F | 0" | -- |
| 2018 | 73°F | 47°F | 0" | -- |
| 2017 | 61°F | 55°F | 0.04" | -- |
| 2016 | 81°F | 62°F | 0" | -- |
| 2015 | 69°F | 58°F | 0" | -- |
| 2014 | 68°F | 56°F | 0" | -- |
| 2013 | 76°F | 60°F | 0" | -- |
| 2012 | 74°F | 50°F | 0" | -- |
| 2011 | 70°F | 54°F | 0.26" | -- |
| 2010 | 60°F | 53°F | 0.28" | -- |
| 2009 | 76°F | 57°F | 0" | -- |
| 2008 | 58°F | 49°F | 0.2" | -- |
| 2007 | 68°F | 58°F | 0" | -- |
| 2006 | 67°F | 52°F | 0" | -- |
| 2005 | 68°F | 56°F | 0.04" | -- |
| 2004 | 70°F | 58°F | 0.06" | -- |
| 2003 | 73°F | 50°F | 0" | 0" |
| 2002 | 65°F | 57°F | 0.29" | 0" |
| 2001 | 73°F | 53°F | 0.02" | 0" |
| 2000 | 62°F | 50°F | 0.09" | -- |
| 1999 | 56°F | 50°F | 0.09" | 0" |
| 1998 | 67°F | 48°F | 0.01" | 0" |
| 1972 | 63°F | 45°F | 0" | 0" |
July 18 at Nearby Parks
Holiday Weather at Katmai
Official NPS WebsiteVisit nps.gov/katm for park information, alerts, and reservations
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