August weather in Forks, WA
The average temperature in Forks in August is 62.3°F (50.5°F–74.0°F). Average precipitation: 2.77 inches.
August is a summer month in Forks, and is warmer than the annual average of 50.4°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 6m. For travel, August is one of the best months of the year to visit.
Avg High
74.0°F
Avg Low
50.5°F
Precipitation
2.77 in
Daylight
14h 6m
August records in Forks
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 95.0°F (1965) | 39.9°F (1922) | 1.22 in (1964) |
| August 2 | 96.1°F (2017) | 39.9°F (1914) | 1.51 in (2019) |
| August 3 | 96.1°F (2017) | 36.0°F (1981) | 0.71 in (2001) |
| August 4 | 93.0°F (1990) | 39.0°F (1922) | 0.65 in (2002) |
| August 5 | 95.0°F (2012) | 37.9°F (1916) | 1.34 in (1934) |
| August 6 | 95.0°F (1972) | 37.9°F (1922) | 2.36 in (1995) |
| August 7 | 97.0°F (1978) | 35.1°F (1930) | 1.80 in (2016) |
| August 8 | 102.0°F (1981) | 39.9°F (1946) | 2.58 in (1991) |
| August 9 | 102.0°F (1981) | 37.9°F (1959) | 0.93 in (1918) |
| August 10 | 99.0°F (1977) | 39.9°F (1919) | 0.98 in (1922) |
| August 11 | 96.1°F (1961) | 39.9°F (1966) | 0.90 in (1957) |
| August 12 | 97.0°F (2021) | 42.1°F (1928) | 1.36 in (1978) |
| August 13 | 96.1°F (2002) | 37.9°F (1955) | 0.90 in (1982) |
| August 14 | 100.9°F (2023) | 39.9°F (1928) | 1.53 in (1950) |
| August 15 | 100.0°F (2023) | 41.0°F (1937) | 3.56 in (2025) |
| August 16 | 95.0°F (1977) | 39.0°F (1920) | 1.45 in (1918) |
| August 17 | 95.0°F (1977) | 35.1°F (1920) | 1.63 in (1921) |
| August 18 | 95.0°F (2022) | 36.0°F (1973) | 1.10 in (1926) |
| August 19 | 93.0°F (2016) | 36.0°F (1916) | 0.71 in (1922) |
| August 20 | 93.9°F (1915) | 34.0°F (1920) | 1.18 in (2008) |
| August 21 | 88.0°F (1908) | 39.9°F (1935) | 2.01 in (2001) |
| August 22 | 91.9°F (1933) | 39.0°F (1973) | 1.92 in (2011) |
| August 23 | 93.9°F (1988) | 36.0°F (1919) | 2.10 in (1975) |
| August 24 | 93.9°F (1982) | 36.0°F (1910) | 1.48 in (2008) |
| August 25 | 91.9°F (2016) | 39.0°F (1914) | 1.13 in (2004) |
| August 26 | 91.0°F (1933) | 39.9°F (1957) | 1.06 in (1978) |
| August 27 | 90.0°F (1935) | 39.9°F (1955) | 2.79 in (1991) |
| August 28 | 95.0°F (1967) | 37.0°F (1969) | 0.91 in (1983) |
| August 29 | 91.0°F (1944) | 37.9°F (1924) | 2.12 in (1991) |
| August 30 | 93.0°F (1987) | 37.9°F (1918) | 4.58 in (1991) |
| August 31 | 97.0°F (1987) | 36.0°F (1914) | 2.35 in (1961) |