August weather in Fossil, OR
The average temperature in Fossil in August is 64.5°F (44.7°F–84.2°F). Average precipitation: 0.58 inches.
August is a summer month in Fossil, and is warmer than the annual average of 47.4°F. Daily temperatures swing about 39.5°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 13h 54m. For travel, August is a comfortable month to visit.
Avg High
84.2°F
Avg Low
44.7°F
Precipitation
0.58 in
Daylight
13h 54m
August records in Fossil
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (2022) | 34.0°F (1957) | 0.67 in (1984) |
| August 2 | 102.0°F (2024) | 35.1°F (1946) | 0.29 in (1999) |
| August 3 | 100.0°F (2022) | 36.0°F (1969) | 1.10 in (1947) |
| August 4 | 106.0°F (1998) | 30.0°F (1955) | 0.42 in (1999) |
| August 5 | 102.0°F (2005) | 34.0°F (1954) | 0.11 in (1976) |
| August 6 | 100.0°F (1997) | 33.1°F (1969) | 1.56 in (1976) |
| August 7 | 102.0°F (1972) | 32.0°F (1946) | 0.95 in (1976) |
| August 8 | 102.0°F (1972) | 34.0°F (1946) | 0.13 in (1962) |
| August 9 | 99.0°F (2022) | 34.0°F (1985) | 0.63 in (1947) |
| August 10 | 98.1°F (1958) | 34.0°F (1954) | 0.32 in (2022) |
| August 11 | 98.1°F (1971) | 33.1°F (1995) | 4.20 in (2017) |
| August 12 | 99.0°F (1977) | 30.9°F (1995) | 0.30 in (1978) |
| August 13 | 102.9°F (1992) | 34.0°F (1949) | 0.15 in (2017) |
| August 14 | 100.9°F (1992) | 34.0°F (1987) | 0.86 in (2014) |
| August 15 | 100.9°F (2021) | 34.0°F (1957) | 0.80 in (1968) |
| August 16 | 100.9°F (2023) | 28.0°F (1957) | 0.54 in (1979) |
| August 17 | 102.0°F (1977) | 34.0°F (1969) | 0.83 in (1975) |
| August 18 | 100.9°F (1977) | 32.0°F (1973) | 0.60 in (1926) |
| August 19 | 99.0°F (2006) | 33.1°F (1947) | 0.97 in (1993) |
| August 20 | 100.9°F (2009) | 33.1°F (1945) | 0.35 in (2007) |
| August 21 | 99.0°F (2006) | 32.0°F (1947) | 0.83 in (1990) |
| August 22 | 99.0°F (1956) | 30.9°F (1960) | 0.63 in (1989) |
| August 23 | 102.0°F (1998) | 33.1°F (1951) | 0.50 in (1983) |
| August 24 | 99.0°F (1958) | 30.9°F (1992) | 0.38 in (1977) |
| August 25 | 96.1°F (1958) | 32.0°F (1955) | 0.51 in (1965) |
| August 26 | 93.9°F (2005) | 30.0°F (1959) | 0.32 in (1953) |
| August 27 | 100.0°F (2006) | 28.9°F (1959) | 0.02 in (1991) |
| August 28 | 104.0°F (2006) | 30.0°F (1960) | 0.71 in (2001) |
| August 29 | 96.1°F (2017) | 30.0°F (1969) | 0.81 in (1986) |
| August 30 | 96.1°F (2017) | 30.9°F (2024) | 1.20 in (2007) |
| August 31 | 98.1°F (1967) | 32.0°F (1964) | 0.25 in (1946) |