August weather in Portland, ND
The average temperature in Portland in August is 66.5°F (53.9°F–79.2°F). Average precipitation: 2.66 inches.
August is a summer month in Portland, and is warmer than the annual average of 39.4°F. Daily temperatures swing about 25.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 4m. For travel, August is one of the best months of the year to visit.
Avg High
79.2°F
Avg Low
53.9°F
Precipitation
2.66 in
Daylight
14h 4m
August records in Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1936) | 36.0°F (1927) | 1.07 in (1943) |
| August 2 | 100.9°F (1946) | 37.0°F (1927) | 1.05 in (1937) |
| August 3 | 100.0°F (1930) | 35.1°F (1907) | 2.75 in (1944) |
| August 4 | 104.0°F (1947) | 39.0°F (1915) | 1.52 in (1916) |
| August 5 | 100.0°F (1931) | 37.9°F (1917) | 1.40 in (1912) |
| August 6 | 100.0°F (1930) | 36.0°F (1903) | 1.94 in (1960) |
| August 7 | 104.0°F (1983) | 39.0°F (1921) | 2.20 in (1944) |
| August 8 | 102.0°F (1958) | 39.0°F (1903) | 4.10 in (1900) |
| August 9 | 100.0°F (1929) | 37.0°F (1903) | 1.91 in (2002) |
| August 10 | 98.1°F (1936) | 37.0°F (1903) | 1.23 in (1974) |
| August 11 | 97.0°F (1958) | 37.0°F (1914) | 1.48 in (1962) |
| August 12 | 99.0°F (1978) | 39.9°F (1903) | 1.66 in (2008) |
| August 13 | 102.0°F (1965) | 35.1°F (1964) | 2.52 in (2011) |
| August 14 | 99.0°F (1935) | 34.0°F (1929) | 1.14 in (1986) |
| August 15 | 100.9°F (1935) | 39.0°F (1979) | 1.73 in (1907) |
| August 16 | 96.1°F (1901) | 39.9°F (1924) | 1.10 in (2009) |
| August 17 | 100.9°F (1917) | 36.0°F (1924) | 3.93 in (1985) |
| August 18 | 104.0°F (1976) | 41.0°F (1950) | 0.90 in (1925) |
| August 19 | 100.0°F (1976) | 39.0°F (1908) | 5.20 in (1918) |
| August 20 | 102.0°F (1976) | 35.1°F (2004) | 2.00 in (1918) |
| August 21 | 99.0°F (1947) | 33.1°F (1920) | 2.06 in (1964) |
| August 22 | 100.0°F (1947) | 36.0°F (1908) | 1.18 in (1959) |
| August 23 | 100.0°F (1925) | 30.0°F (1908) | 1.61 in (1980) |
| August 24 | 100.0°F (1929) | 36.0°F (1928) | 2.90 in (2014) |
| August 25 | 97.0°F (1929) | 37.9°F (1915) | 1.83 in (1959) |
| August 26 | 98.1°F (1953) | 30.0°F (1915) | 1.66 in (1946) |
| August 27 | 95.0°F (1905) | 30.9°F (1982) | 1.60 in (1927) |
| August 28 | 98.1°F (1939) | 32.0°F (1900) | 0.87 in (1903) |
| August 29 | 97.0°F (1961) | 33.1°F (1917) | 1.77 in (1980) |
| August 30 | 98.1°F (1939) | 33.1°F (1931) | 1.82 in (1957) |
| August 31 | 98.1°F (1929) | 32.0°F (1917) | 0.90 in (1956) |