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Renton, WA Weather on August 25
August 25th in Renton, WA typically brings pleasant summer weather, with average highs around 77°F and lows near 54°F. Over 55 years of records, the warmest August 25th was in 2022 (78°F average), while the coldest was 1973 (56°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 25th dates historically, with the wettest August 25th recording 0.75" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
What to Expect on August 25
Planning for August 25th in Renton, WA? Great weather for outdoor activities.
August 25 Weather Records for Renton
- •The all-time record high for August 25th in Renton, WA is 91°F, set in 2022.
- •The coldest August 25th on record dropped to 38°F in 1973.
- •Temperatures have reached 90°F or higher on August 25th in 3 of the last 55 years.
Frequently Asked Questions
What was the warmest August 25 ever in Renton?
The warmest August 25 in Renton, WA reached 91°F in 2022. That is 14°F above the long-term average high of 77°F.
What was the coldest August 25 ever in Renton?
The coldest August 25 in Renton, WA dropped to 38°F in 1973. That is 16°F below the long-term average low of 54°F.
What is the average temperature on August 25 in Renton?
On August 25, Renton averages a high of 77°F and a low of 54°F based on 55 years of NOAA weather observations from RENTON MUNI AP.
How many years of weather data are available for August 25 in Renton?
We have 55 years of weather records for August 25 in Renton, WA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 25 Weather History in Renton
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 88°F | 63°F | -- | -- |
| 2024 | 75°F | 56°F | 0" | -- |
| 2023 | 85°F | 63°F | 0" | -- |
| 2022 | 91°F | 64°F | 0" | -- |
| 2021 | 78°F | 53°F | 0" | -- |
| 2020 | 77°F | 52°F | 0" | -- |
| 2019 | 75°F | 62°F | 0" | -- |
| 2018 | 66°F | 52°F | 0" | -- |
| 2017 | 76°F | 53°F | 0" | -- |
| 2016 | 90°F | 59°F | 0" | -- |
| 2015 | 78°F | 52°F | 0" | -- |
| 2014 | 84°F | 57°F | 0" | -- |
| 2013 | 71°F | 59°F | 0" | -- |
| 2012 | 79°F | 51°F | 0" | -- |
| 2011 | 82°F | 59°F | 0" | -- |
| 2010 | 84°F | 56°F | 0" | -- |
| 2009 | 73°F | 55°F | 0.02" | -- |
| 2008 | 67°F | 54°F | 0.45" | -- |
| 2007 | 70°F | 60°F | 0.02" | -- |
| 2006 | 79°F | 53°F | 0" | -- |
| 2005 | 84°F | 53°F | 0" | -- |
| 2004 | 68°F | 60°F | 0.35" | -- |
| 2003 | 87°F | 54°F | 0" | -- |
| 2002 | 69°F | 59°F | 0" | -- |
| 2001 | 76°F | 51°F | 0.01" | -- |
| 2000 | 76°F | 61°F | 0" | -- |
| 1999 | 78°F | 64°F | 0" | -- |
| 1998 | 76°F | 53°F | 0" | -- |
| 1997 | 74°F | 60°F | 0.06" | -- |
| 1996 | 85°F | 59°F | 0" | -- |
| 1995 | 71°F | 48°F | 0" | -- |
| 1994 | 73°F | 52°F | 0" | -- |
| 1993 | 67°F | 50°F | 0.2" | -- |
| 1992 | 83°F | 48°F | 0" | -- |
| 1991 | 73°F | 49°F | 0" | -- |
| 1990 | 72°F | 52°F | 0" | -- |
| 1989 | 75°F | 54°F | 0" | -- |
| 1988 | 82°F | 51°F | 0" | -- |
| 1987 | 84°F | 51°F | 0" | -- |
| 1986 | 84°F | -- | 0" | -- |
| 1985 | 83°F | 48°F | 0" | -- |
| 1984 | 78°F | 45°F | 0" | -- |
| 1983 | 75°F | 59°F | 0" | -- |
| 1982 | 90°F | 50°F | 0" | -- |
| 1981 | 76°F | 54°F | 0" | -- |
| 1980 | 81°F | 41°F | 0" | -- |
| 1979 | 81°F | 49°F | 0" | -- |
| 1978 | 71°F | 51°F | 0.05" | -- |
| 1977 | 63°F | 51°F | 0.75" | -- |
| 1976 | 67°F | 55°F | 0.27" | -- |
| 1975 | 66°F | 54°F | 0" | -- |
| 1974 | 80°F | 50°F | 0" | -- |
| 1973 | 74°F | 38°F | 0" | -- |
| 1972 | 79°F | 47°F | 0" | -- |
| 1971 | 80°F | 49°F | 0" | -- |
Based on 55 years of data from NOAA station: RENTON MUNI AP
Monthly Climate Averages
Historical temperature and precipitation averages for Renton, WA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.