August weather in Three Forks, MT
The average temperature in Three Forks in August is 67.3°F (51.0°F–83.7°F). Average precipitation: 0.98 inches.
August is a summer month in Three Forks, and is warmer than the annual average of 45.4°F. Daily temperatures swing about 32.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 57m. For travel, August is a comfortable month to visit.
Avg High
83.7°F
Avg Low
51.0°F
Precipitation
0.98 in
Daylight
13h 57m
August records in Three Forks
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1930) | 43.0°F (1968) | 0.90 in (1948) |
| August 2 | 100.0°F (1961) | 37.9°F (1937) | 0.86 in (1943) |
| August 3 | 102.9°F (1961) | 37.9°F (1937) | 0.90 in (2002) |
| August 4 | 102.9°F (1961) | 42.1°F (1937) | 0.80 in (2002) |
| August 5 | 105.1°F (1961) | 36.0°F (2016) | 0.30 in (1966) |
| August 6 | 102.9°F (1990) | 37.9°F (1996) | 0.18 in (2007) |
| August 7 | 100.0°F (1983) | 34.0°F (1939) | 0.29 in (1974) |
| August 8 | 99.0°F (1991) | 34.0°F (1939) | 0.40 in (1945) |
| August 9 | 100.9°F (1991) | 39.0°F (1946) | 0.61 in (2021) |
| August 10 | 102.9°F (1991) | 36.0°F (1939) | 0.27 in (1962) |
| August 11 | 102.0°F (1928) | 37.9°F (1977) | 0.58 in (1985) |
| August 12 | 105.1°F (1940) | 37.9°F (1977) | 1.27 in (1969) |
| August 13 | 104.0°F (1940) | 39.0°F (1942) | 0.52 in (1941) |
| August 14 | 100.0°F (2003) | 37.0°F (2005) | 0.69 in (1945) |
| August 15 | 102.0°F (1929) | 37.0°F (1944) | 0.34 in (1968) |
| August 16 | 99.0°F (1973) | 36.0°F (1925) | 0.50 in (1997) |
| August 17 | 98.1°F (1931) | 37.0°F (1985) | 0.53 in (1990) |
| August 18 | 98.1°F (1986) | 37.9°F (1946) | 0.40 in (2004) |
| August 19 | 99.0°F (2001) | 37.0°F (1996) | 0.65 in (1948) |
| August 20 | 98.1°F (1942) | 36.0°F (1938) | 0.65 in (1974) |
| August 21 | 97.0°F (1991) | 37.9°F (1966) | 1.61 in (1954) |
| August 22 | 98.1°F (1935) | 37.0°F (1924) | 0.54 in (2014) |
| August 23 | 99.0°F (1969) | 32.0°F (1992) | 1.43 in (1976) |
| August 24 | 100.0°F (1969) | 33.1°F (1925) | 1.10 in (2014) |
| August 25 | 98.1°F (1966) | 27.0°F (1992) | 0.30 in (1999) |
| August 26 | 102.0°F (1926) | 33.1°F (1992) | 0.82 in (1977) |
| August 27 | 97.0°F (1924) | 35.1°F (1976) | 0.43 in (2018) |
| August 28 | 102.9°F (1924) | 34.0°F (1960) | 0.83 in (1999) |
| August 29 | 106.0°F (1924) | 36.0°F (1965) | 0.61 in (1962) |
| August 30 | 96.1°F (1940) | 32.0°F (1965) | 0.60 in (1951) |
| August 31 | 99.0°F (1955) | 34.0°F (1927) | 0.79 in (1984) |