August weather in Fort Peck, MT
The average temperature in Fort Peck in August is 72.6°F (56.8°F–88.3°F). Average precipitation: 1.40 inches.
August is a summer month in Fort Peck, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 31.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 7m. For travel, August is hot.
Avg High
88.3°F
Avg Low
56.8°F
Precipitation
1.40 in
Daylight
14h 7m
August records in Fort Peck
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 105.1°F (2011) | 44.1°F (2009) | 0.57 in (2001) |
| August 2 | 104.0°F (2024) | 42.1°F (1978) | 0.36 in (2017) |
| August 3 | 102.9°F (1983) | 41.0°F (1978) | 1.16 in (1998) |
| August 4 | 100.9°F (1961) | 45.0°F (1980) | 1.30 in (2009) |
| August 5 | 104.0°F (1961) | 42.1°F (1980) | 0.77 in (1965) |
| August 6 | 107.1°F (1983) | 46.0°F (2006) | 2.05 in (1965) |
| August 7 | 105.1°F (1995) | 46.9°F (1989) | 0.81 in (2025) |
| August 8 | 109.9°F (1995) | 42.1°F (1980) | 1.08 in (2002) |
| August 9 | 102.0°F (1958) | 45.0°F (1968) | 1.85 in (1976) |
| August 10 | 102.9°F (2018) | 37.9°F (1997) | 0.39 in (1962) |
| August 11 | 105.1°F (2018) | 41.0°F (1977) | 0.12 in (1974) |
| August 12 | 104.0°F (2003) | 44.1°F (1987) | 0.74 in (2019) |
| August 13 | 102.0°F (2003) | 39.9°F (2005) | 0.64 in (1986) |
| August 14 | 104.0°F (2003) | 41.0°F (1977) | 1.19 in (1974) |
| August 15 | 102.9°F (2003) | 39.9°F (1987) | 0.92 in (1968) |
| August 16 | 105.1°F (2003) | 39.9°F (2012) | 0.86 in (1968) |
| August 17 | 100.0°F (1964) | 42.1°F (1985) | 0.54 in (1993) |
| August 18 | 102.9°F (1958) | 44.1°F (1969) | 1.10 in (1968) |
| August 19 | 98.1°F (2008) | 41.0°F (1985) | 0.45 in (1959) |
| August 20 | 99.0°F (2008) | 42.1°F (2005) | 2.18 in (1966) |
| August 21 | 100.0°F (1969) | 41.0°F (2018) | 2.34 in (2002) |
| August 22 | 102.0°F (1971) | 39.0°F (1966) | 2.70 in (1993) |
| August 23 | 102.9°F (1969) | 36.0°F (2015) | 1.67 in (2014) |
| August 24 | 102.9°F (1969) | 39.9°F (1992) | 2.43 in (2014) |
| August 25 | 102.9°F (2008) | 37.0°F (1992) | 1.28 in (1960) |
| August 26 | 98.1°F (2010) | 37.9°F (1980) | 1.34 in (1987) |
| August 27 | 100.9°F (1971) | 44.1°F (1980) | 0.35 in (2021) |
| August 28 | 100.9°F (2012) | 37.9°F (1988) | 0.33 in (2007) |
| August 29 | 100.0°F (2012) | 39.0°F (1962) | 1.72 in (1997) |
| August 30 | 98.1°F (1991) | 35.1°F (1980) | 0.62 in (2010) |
| August 31 | 102.0°F (1991) | 33.1°F (1994) | 0.49 in (1984) |