August weather in Troutdale, OR
The average temperature in Troutdale in August is 68.4°F (55.5°F–81.4°F). Average precipitation: 0.70 inches.
August is a summer month in Troutdale, and is warmer than the annual average of 53.4°F. Daily temperatures swing about 25.9°F between overnight low and afternoon high. Daylight averages about 13h 56m. For travel, August is a comfortable month to visit.
Avg High
81.4°F
Avg Low
55.5°F
Precipitation
0.70 in
Daylight
13h 56m
August records in Troutdale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1965) | 37.9°F (1989) | 0.46 in (1991) |
| August 2 | 99.0°F (1986) | 39.9°F (1989) | 0.45 in (1989) |
| August 3 | 99.0°F (1993) | 39.9°F (1989) | 0.86 in (1962) |
| August 4 | 102.9°F (1952) | 42.1°F (1989) | 0.19 in (1962) |
| August 5 | 102.9°F (2017) | 42.1°F (1989) | 0.76 in (1964) |
| August 6 | 97.0°F (1972) | 43.0°F (1996) | 0.39 in (1976) |
| August 7 | 102.0°F (1972) | 42.1°F (2024) | 0.52 in (1976) |
| August 8 | 102.9°F (1972) | 39.9°F (1983) | 0.47 in (1985) |
| August 9 | 104.0°F (1978) | 46.0°F (1959) | 0.27 in (1999) |
| August 10 | 106.0°F (1981) | 46.9°F (1964) | 0.30 in (1965) |
| August 11 | 105.1°F (1981) | 42.1°F (2006) | 0.38 in (1995) |
| August 12 | 104.0°F (1977) | 45.0°F (2006) | 0.80 in (2009) |
| August 13 | 105.1°F (1977) | 45.0°F (1949) | 0.70 in (1978) |
| August 14 | 104.0°F (2002) | 45.0°F (1948) | 0.26 in (1982) |
| August 15 | 105.1°F (2023) | 42.1°F (2006) | 0.65 in (1968) |
| August 16 | 102.9°F (2008) | 5.0°F (1997) | 0.55 in (1976) |
| August 17 | 102.9°F (1977) | 44.1°F (2006) | 0.56 in (1948) |
| August 18 | 108.0°F (1977) | 42.1°F (1989) | 0.56 in (1975) |
| August 19 | 99.0°F (2016) | 43.0°F (1989) | 1.09 in (1968) |
| August 20 | 96.1°F (1967) | 44.1°F (1960) | 0.38 in (1965) |
| August 21 | 100.0°F (2016) | 42.1°F (2006) | 0.55 in (1979) |
| August 22 | 96.1°F (1961) | 42.1°F (1989) | 1.24 in (1989) |
| August 23 | 95.0°F (1988) | 45.0°F (2021) | 1.18 in (1975) |
| August 24 | 100.9°F (2025) | 42.1°F (2005) | 1.15 in (1977) |
| August 25 | 96.1°F (1982) | 37.9°F (1989) | 0.85 in (1968) |
| August 26 | 97.0°F (1996) | 42.1°F (1998) | 1.40 in (1977) |
| August 27 | 102.9°F (1986) | 46.0°F (1962) | 0.97 in (2004) |
| August 28 | 98.1°F (1972) | 37.9°F (1989) | 0.33 in (1951) |
| August 29 | 100.9°F (1967) | 41.0°F (1951) | 1.18 in (1983) |
| August 30 | 93.9°F (1996) | 37.9°F (2006) | 1.50 in (2005) |
| August 31 | 102.0°F (1987) | 43.0°F (1989) | 0.50 in (1975) |