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McKinney, TX Weather on August 26
August 26th in McKinney, TX typically brings hot summer weather, with average highs around 96°F and lows near 71°F — a 25°F daily swing. Over 55 years of records, the warmest August 26th was in 2023 (93°F average), while the coldest was 1989 (67°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 26th dates historically, with the wettest August 26th recording 1.85" of rain. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on August 26
Planning for August 26th in McKinney, TX? Stay hydrated and seek shade during peak afternoon hours.
August 26 Weather Records for McKinney
- •The all-time record high for August 26th in McKinney, TX is 107°F, set in 2023.
- •The coldest August 26th on record dropped to 40°F in 1989.
- •Temperatures have reached 90°F or higher on August 26th in 50 of the last 55 years.
Frequently Asked Questions
What was the warmest August 26 ever in McKinney?
The warmest August 26 in McKinney, TX reached 107°F in 2023. That is 11°F above the long-term average high of 96°F.
What was the coldest August 26 ever in McKinney?
The coldest August 26 in McKinney, TX dropped to 40°F in 1989. That is 31°F below the long-term average low of 71°F.
What is the average temperature on August 26 in McKinney?
On August 26, McKinney averages a high of 96°F and a low of 71°F based on 55 years of NOAA weather observations from MCKINNEY MUNI AP.
How many years of weather data are available for August 26 in McKinney?
We have 55 years of weather records for August 26 in McKinney, TX, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 26 Weather History in McKinney
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 69°F | 0" | -- |
| 2024 | 98°F | 74°F | 0" | -- |
| 2023 | 107°F | 79°F | 0" | -- |
| 2022 | 93°F | 70°F | 0" | -- |
| 2021 | 96°F | 79°F | 0" | -- |
| 2020 | 90°F | 74°F | 0.02" | -- |
| 2019 | 102°F | 79°F | 0" | -- |
| 2018 | 96°F | 76°F | 0" | -- |
| 2017 | 79°F | 71°F | 0.02" | -- |
| 2016 | 91°F | 72°F | 0.01" | -- |
| 2015 | 93°F | 71°F | 0" | -- |
| 2014 | 97°F | 74°F | 0" | -- |
| 2013 | 98°F | 75°F | 0" | -- |
| 2012 | 90°F | 73°F | 0.04" | -- |
| 2011 | 105°F | 77°F | 0" | -- |
| 2010 | 94°F | 67°F | 0" | -- |
| 2009 | 95°F | 72°F | 0" | -- |
| 2008 | 91°F | 69°F | 0" | -- |
| 2007 | 92°F | 70°F | 0" | -- |
| 2006 | 101°F | 79°F | 0" | -- |
| 2005 | 99°F | 75°F | 0" | -- |
| 2004 | 96°F | 79°F | 0" | -- |
| 2003 | 95°F | 72°F | 0.76" | -- |
| 2002 | 96°F | 71°F | 0.06" | -- |
| 2001 | 97°F | 72°F | 0" | -- |
| 2000 | 101°F | 72°F | 0" | -- |
| 1999 | 107°F | 70°F | 0" | -- |
| 1998 | 102°F | 74°F | 0" | -- |
| 1997 | 89°F | 64°F | 0" | -- |
| 1996 | 86°F | 64°F | 0.8" | -- |
| 1995 | 101°F | 73°F | 0" | -- |
| 1994 | 95°F | 72°F | 0" | -- |
| 1993 | 99°F | 71°F | 0" | -- |
| 1992 | 94°F | 69°F | 0" | -- |
| 1991 | 92°F | 67°F | 0" | -- |
| 1990 | 99°F | 71°F | 0" | -- |
| 1989 | 95°F | 40°F | 0" | -- |
| 1988 | 104°F | 74°F | 0" | -- |
| 1987 | 98°F | 79°F | 0" | -- |
| 1986 | 97°F | 71°F | 0" | -- |
| 1985 | 95°F | 63°F | 0" | -- |
| 1984 | 93°F | 69°F | 0" | -- |
| 1983 | 97°F | 73°F | 0" | -- |
| 1982 | 102°F | 77°F | 0" | -- |
| 1981 | 99°F | 70°F | 0" | -- |
| 1980 | 101°F | 75°F | 0" | -- |
| 1979 | 90°F | 68°F | 0" | -- |
| 1978 | 100°F | 76°F | 0" | -- |
| 1977 | 95°F | 75°F | 0" | -- |
| 1976 | 98°F | 66°F | 0" | -- |
| 1975 | 92°F | 75°F | 0" | -- |
| 1974 | 84°F | 71°F | 0" | -- |
| 1973 | 94°F | 64°F | 0" | -- |
| 1972 | 94°F | 73°F | 0" | -- |
| 1971 | 92°F | 67°F | 1.85" | -- |
Based on 55 years of data from NOAA station: MCKINNEY MUNI AP
Monthly Climate Averages
Historical temperature and precipitation averages for McKinney, TX, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.