August weather in Portland, TX
The average temperature in Portland in August is 84.7°F (76.5°F–92.9°F). Average precipitation: 2.77 inches.
August is a summer month in Portland, and is warmer than the annual average of 72°F. Daily temperatures swing about 16.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 60m. For travel, August is hot.
Avg High
92.9°F
Avg Low
76.5°F
Precipitation
2.77 in
Daylight
12h 60m
August records in Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (2009) | 73.0°F (2005) | 1.32 in (2018) |
| August 2 | 100.0°F (2025) | 73.0°F (2010) | 0.34 in (2020) |
| August 3 | 98.1°F (2011) | 72.0°F (2014) | 0.90 in (2014) |
| August 4 | 98.1°F (2023) | 71.1°F (2014) | 2.23 in (2015) |
| August 5 | 98.1°F (2011) | 73.9°F (2014) | 0.96 in (2007) |
| August 6 | 97.0°F (2008) | 73.9°F (2012) | 0.32 in (2018) |
| August 7 | 99.0°F (2024) | 73.9°F (2005) | 0.48 in (2018) |
| August 8 | 98.1°F (2025) | 73.9°F (2005) | 0.41 in (2006) |
| August 9 | 97.0°F (2023) | 75.0°F (2012) | 0.19 in (2020) |
| August 10 | 97.0°F (2023) | 75.0°F (2013) | 0.28 in (2006) |
| August 11 | 98.1°F (2012) | 75.0°F (2015) | 0.25 in (2014) |
| August 12 | 98.1°F (2025) | 75.0°F (2009) | 0.40 in (2018) |
| August 13 | 98.1°F (2023) | 73.9°F (2013) | 0.87 in (2022) |
| August 14 | 99.0°F (2023) | 75.0°F (2014) | 2.48 in (2022) |
| August 15 | 100.0°F (2023) | 72.0°F (2007) | 2.89 in (2022) |
| August 16 | 100.9°F (2023) | 73.9°F (2013) | 0.08 in (2007) |
| August 17 | 99.0°F (2023) | 73.0°F (2013) | 2.13 in (2008) |
| August 18 | 99.0°F (2020) | 71.1°F (2013) | 1.46 in (2016) |
| August 19 | 98.1°F (2011) | 71.1°F (2013) | 0.30 in (2008) |
| August 20 | 100.0°F (2020) | 70.0°F (2013) | 0.31 in (2008) |
| August 21 | 102.0°F (2024) | 73.0°F (2012) | 0.79 in (2022) |
| August 22 | 100.0°F (2024) | 73.0°F (2012) | 4.90 in (2023) |
| August 23 | 100.0°F (2009) | 73.9°F (2008) | 1.02 in (2008) |
| August 24 | 99.0°F (2010) | 73.9°F (2013) | 1.29 in (2022) |
| August 25 | 98.1°F (2010) | 73.9°F (2008) | 0.64 in (2022) |
| August 26 | 98.1°F (2005) | 73.9°F (2008) | 3.25 in (2017) |
| August 27 | 102.9°F (2023) | 73.0°F (2012) | 0.98 in (2017) |
| August 28 | 100.9°F (2005) | 68.0°F (2015) | 1.94 in (2007) |
| August 29 | 106.0°F (2011) | 69.1°F (2015) | 0.81 in (2022) |
| August 30 | 102.9°F (2012) | 69.1°F (2015) | 1.28 in (2016) |
| August 31 | 102.9°F (2012) | 70.0°F (2017) | 3.01 in (2014) |