August weather in Oak Harbor, WA
The average temperature in Oak Harbor in August is 61.8°F (53.9°F–69.7°F). Average precipitation: 0.85 inches.
August is a summer month in Oak Harbor, and is warmer than the annual average of 52.1°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 8m. For travel, August is one of the best months of the year to visit.
Avg High
69.7°F
Avg Low
53.9°F
Precipitation
0.85 in
Daylight
14h 8m
August records in Oak Harbor
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 84.0°F (2019) | 44.1°F (2011) | 0.20 in (1956) |
| August 2 | 79.0°F (2017) | 45.0°F (1946) | 0.47 in (1956) |
| August 3 | 80.1°F (1952) | 46.0°F (1956) | 0.28 in (1962) |
| August 4 | 86.0°F (1993) | 46.0°F (1950) | 0.92 in (1962) |
| August 5 | 78.1°F (1945) | 46.9°F (1982) | 0.32 in (1946) |
| August 6 | 81.0°F (1945) | 45.0°F (1951) | 0.51 in (1995) |
| August 7 | 81.0°F (1981) | 46.0°F (1946) | 0.81 in (1995) |
| August 8 | 88.0°F (1960) | 46.0°F (2001) | 0.06 in (2012) |
| August 9 | 84.0°F (1960) | 46.0°F (1955) | 0.74 in (1991) |
| August 10 | 82.0°F (1977) | 45.0°F (1964) | 0.29 in (2009) |
| August 11 | 82.9°F (1977) | 45.0°F (1966) | 0.68 in (1949) |
| August 12 | 82.9°F (2015) | 46.0°F (1975) | 0.26 in (1987) |
| August 13 | 82.0°F (2025) | 46.0°F (1955) | 0.64 in (2014) |
| August 14 | 79.0°F (1986) | 24.3°F (2007) | 0.80 in (1978) |
| August 15 | 78.1°F (2010) | 46.0°F (1982) | 0.52 in (1976) |
| August 16 | 84.0°F (1984) | 45.0°F (1986) | 0.32 in (1962) |
| August 17 | 78.1°F (1977) | 44.1°F (1966) | 0.91 in (2005) |
| August 18 | 80.1°F (2009) | 44.1°F (1973) | 0.75 in (1990) |
| August 19 | 81.0°F (2016) | 43.0°F (1973) | 0.83 in (1976) |
| August 20 | 75.9°F (1951) | 46.0°F (2011) | 0.40 in (1989) |
| August 21 | 79.0°F (2018) | 45.0°F (1947) | 0.98 in (2004) |
| August 22 | 77.0°F (1993) | 44.1°F (1969) | 1.02 in (2004) |
| August 23 | 77.0°F (1966) | 44.1°F (1969) | 0.82 in (1977) |
| August 24 | 77.0°F (1981) | 43.0°F (2003) | 0.95 in (2004) |
| August 25 | 78.1°F (2016) | 42.1°F (1993) | 1.29 in (2004) |
| August 26 | 80.1°F (2016) | 42.1°F (1949) | 0.32 in (1997) |
| August 27 | 78.1°F (1986) | 46.0°F (1971) | 0.77 in (1951) |
| August 28 | 81.0°F (1967) | 43.0°F (1980) | 0.48 in (2005) |
| August 29 | 79.0°F (1974) | 39.0°F (1980) | 0.62 in (1990) |
| August 30 | 77.0°F (2019) | 43.0°F (1950) | 1.02 in (2005) |
| August 31 | 80.1°F (1967) | 44.1°F (1973) | 0.70 in (1978) |