October weather in Sinclair, WY
The average temperature in Sinclair in October is 43.6°F (30.4°F–56.8°F). Average precipitation: 0.68 inches.
October is a fall month in Sinclair, and is warmer than the annual average of 43.1°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 50m. For travel, October is cool.
Avg High
56.8°F
Avg Low
30.4°F
Precipitation
0.68 in
Daylight
10h 50m
October records in Sinclair
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 81.0°F (1957) | 18.0°F (1985) | 0.29 in (2002) |
| October 2 | 82.0°F (2025) | 19.0°F (1977) | 0.62 in (1986) |
| October 3 | 79.0°F (2010) | 19.9°F (1959) | 0.62 in (1994) |
| October 4 | 80.1°F (2024) | 19.0°F (2012) | 0.71 in (2009) |
| October 5 | 78.1°F (1993) | 14.0°F (1969) | 0.65 in (1951) |
| October 6 | 75.9°F (1979) | 16.0°F (2012) | 0.53 in (1962) |
| October 7 | 75.9°F (1979) | 8.1°F (1970) | 0.58 in (1993) |
| October 8 | 79.0°F (1996) | 5.0°F (1970) | 0.31 in (2018) |
| October 9 | 77.0°F (1996) | 12.9°F (2009) | 0.44 in (1960) |
| October 10 | 81.0°F (1996) | 10.0°F (2009) | 0.32 in (2013) |
| October 11 | 81.0°F (1996) | 11.1°F (2019) | 0.26 in (2013) |
| October 12 | 77.0°F (1996) | 3.0°F (1986) | 0.54 in (2023) |
| October 13 | 73.9°F (2015) | 10.9°F (1969) | 0.69 in (1987) |
| October 14 | 75.0°F (2024) | 12.0°F (1969) | 0.44 in (1957) |
| October 15 | 73.9°F (2011) | 14.0°F (1970) | 1.44 in (1980) |
| October 16 | 75.9°F (1991) | 16.0°F (1970) | 0.40 in (1980) |
| October 17 | 72.0°F (2003) | 12.0°F (1999) | 0.40 in (1971) |
| October 18 | 73.9°F (2003) | 3.0°F (2006) | 0.24 in (1969) |
| October 19 | 75.0°F (2003) | 12.9°F (1982) | 0.24 in (1957) |
| October 20 | 73.0°F (2023) | 10.0°F (1976) | 0.65 in (1979) |
| October 21 | 75.0°F (2003) | 9.0°F (1996) | 0.45 in (1972) |
| October 22 | 75.9°F (2003) | 8.1°F (1984) | 0.29 in (1986) |
| October 23 | 73.0°F (2003) | 8.1°F (1984) | 0.29 in (2022) |
| October 24 | 73.0°F (1992) | 8.1°F (1975) | 1.01 in (1956) |
| October 25 | 68.0°F (1999) | 0.1°F (2020) | 0.33 in (2006) |
| October 26 | 70.0°F (1999) | -11.7°F (2020) | 0.26 in (2006) |
| October 27 | 70.0°F (2016) | -7.8°F (2019) | 0.35 in (1971) |
| October 28 | 69.1°F (2016) | -17.9°F (2019) | 1.30 in (1971) |
| October 29 | 69.1°F (1964) | -11.7°F (2019) | 0.69 in (2024) |
| October 30 | 66.9°F (2016) | -19.8°F (2019) | 0.21 in (2007) |
| October 31 | 68.0°F (2008) | -7.1°F (1972) | 0.37 in (2000) |