October weather in Newcastle, WY
The average temperature in Newcastle in October is 47.2°F (35.5°F–58.9°F). Average precipitation: 1.24 inches. Average snowfall is 1.4 inches.
October is a fall month in Newcastle, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 45m. For travel, October is cool.
Avg High
58.9°F
Avg Low
35.5°F
Precipitation
1.24 in
Snow
1.4 in
October records in Newcastle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 87.1°F (1953) | 19.9°F (1985) | 0.90 in (1930) |
| October 2 | 90.0°F (1992) | 27.0°F (1950) | 1.18 in (1986) |
| October 3 | 90.0°F (1922) | 24.1°F (1968) | 0.76 in (1983) |
| October 4 | 89.1°F (2025) | 28.0°F (1966) | 0.92 in (1913) |
| October 5 | 86.0°F (1920) | 18.0°F (2016) | 1.32 in (2005) |
| October 6 | 84.9°F (2021) | 15.1°F (2000) | 0.62 in (1994) |
| October 7 | 84.0°F (1942) | 15.1°F (2000) | 2.19 in (1994) |
| October 8 | 84.9°F (1997) | 19.9°F (1985) | 1.20 in (1924) |
| October 9 | 87.1°F (2020) | 15.1°F (1985) | 1.02 in (1982) |
| October 10 | 88.0°F (1910) | 8.1°F (2009) | 1.55 in (2010) |
| October 11 | 89.1°F (1910) | 14.0°F (1909) | 0.55 in (2013) |
| October 12 | 90.0°F (1910) | 12.0°F (2016) | 0.42 in (1925) |
| October 13 | 82.0°F (1996) | 16.0°F (1969) | 0.75 in (1954) |
| October 14 | 82.0°F (1996) | 0.0°F (1937) | 0.30 in (1966) |
| October 15 | 82.0°F (1961) | 12.0°F (2018) | 0.97 in (1980) |
| October 16 | 84.0°F (1991) | 12.9°F (1992) | 0.54 in (1994) |
| October 17 | 82.9°F (1927) | 10.9°F (1930) | 0.97 in (1998) |
| October 18 | 82.9°F (2003) | 12.9°F (1930) | 0.50 in (1911) |
| October 19 | 82.9°F (2003) | 12.0°F (1925) | 0.78 in (1908) |
| October 20 | 81.0°F (1940) | 12.9°F (1932) | 1.04 in (1924) |
| October 21 | 81.0°F (2003) | 15.1°F (1949) | 0.71 in (1931) |
| October 22 | 82.0°F (1992) | 14.0°F (1936) | 1.25 in (1914) |
| October 23 | 82.9°F (2003) | 12.9°F (1981) | 0.60 in (1925) |
| October 24 | 80.1°F (1927) | 12.0°F (1942) | 0.45 in (1956) |
| October 25 | 78.1°F (1927) | 12.0°F (1975) | 1.00 in (1911) |
| October 26 | 79.0°F (2007) | -4.0°F (2020) | 0.31 in (2020) |
| October 27 | 78.1°F (1999) | -6.0°F (2020) | 0.29 in (2025) |
| October 28 | 79.0°F (1937) | -11.0°F (1925) | 0.30 in (1989) |
| October 29 | 80.1°F (1937) | -8.0°F (1925) | 0.90 in (1998) |
| October 30 | 75.9°F (1933) | 0.0°F (2019) | 0.50 in (1974) |
| October 31 | 72.0°F (1933) | 1.0°F (1991) | 1.11 in (1974) |