August weather in Portland, AR
The average temperature in Portland in August is 81.0°F (70.8°F–91.2°F). Average precipitation: 3.64 inches.
August is a summer month in Portland, and is warmer than the annual average of 63.1°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 14m. For travel, August is hot.
Avg High
91.2°F
Avg Low
70.8°F
Precipitation
3.64 in
Daylight
13h 14m
August records in Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1921) | 59.0°F (1936) | 0.96 in (1929) |
| August 2 | 102.0°F (1921) | 57.9°F (1925) | 1.78 in (1996) |
| August 3 | 102.9°F (1924) | 59.0°F (1920) | 1.65 in (1966) |
| August 4 | 102.9°F (1924) | 60.1°F (1915) | 1.42 in (2001) |
| August 5 | 104.0°F (1924) | 57.0°F (1912) | 1.85 in (1992) |
| August 6 | 104.0°F (1913) | 57.9°F (1948) | 1.77 in (1992) |
| August 7 | 104.0°F (1930) | 57.9°F (1948) | 1.82 in (1965) |
| August 8 | 105.1°F (1930) | 53.1°F (1989) | 4.94 in (2017) |
| August 9 | 105.1°F (1943) | 55.0°F (1990) | 2.25 in (1948) |
| August 10 | 106.0°F (1943) | 57.0°F (1990) | 2.40 in (1975) |
| August 11 | 102.9°F (1924) | 59.0°F (1917) | 3.50 in (1943) |
| August 12 | 104.0°F (1954) | 55.9°F (1967) | 8.25 in (2008) |
| August 13 | 105.1°F (1913) | 55.9°F (2004) | 2.94 in (2006) |
| August 14 | 102.9°F (1954) | 53.1°F (1931) | 1.78 in (2013) |
| August 15 | 100.9°F (1917) | 55.0°F (2004) | 3.35 in (1982) |
| August 16 | 102.9°F (1909) | 55.0°F (1963) | 2.75 in (1949) |
| August 17 | 109.9°F (1909) | 55.9°F (1963) | 1.14 in (2016) |
| August 18 | 106.0°F (1909) | 57.9°F (1963) | 1.61 in (2016) |
| August 19 | 105.1°F (2024) | 60.1°F (1943) | 1.36 in (1923) |
| August 20 | 104.0°F (1925) | 55.0°F (1940) | 1.33 in (2021) |
| August 21 | 106.0°F (1926) | 55.0°F (1927) | 0.98 in (1945) |
| August 22 | 107.1°F (1926) | 54.0°F (1961) | 2.10 in (1960) |
| August 23 | 105.1°F (1926) | 54.0°F (1956) | 2.09 in (2022) |
| August 24 | 104.0°F (1921) | 55.0°F (1956) | 1.76 in (1999) |
| August 25 | 102.0°F (1921) | 55.9°F (1916) | 1.02 in (2002) |
| August 26 | 104.0°F (1943) | 54.0°F (1917) | 2.05 in (1918) |
| August 27 | 107.1°F (1943) | 54.0°F (1927) | 2.30 in (1918) |
| August 28 | 108.0°F (2000) | 59.0°F (1992) | 1.44 in (1996) |
| August 29 | 105.1°F (1913) | 52.0°F (1986) | 1.86 in (1978) |
| August 30 | 106.0°F (2000) | 54.0°F (1986) | 3.50 in (1933) |
| August 31 | 106.0°F (2000) | 54.0°F (1946) | 3.53 in (2017) |