October weather in Casa Grande, AZ
The average temperature in Casa Grande in October is 73.8°F (56.9°F–90.7°F). Average precipitation: 0.48 inches.
October is a fall month in Casa Grande, and is warmer than the annual average of 72.4°F. Daily temperatures swing about 33.8°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 11h 10m. For travel, October is hot.
Avg High
90.7°F
Avg Low
56.9°F
Precipitation
0.48 in
Daylight
11h 10m
October records in Casa Grande
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 109.9°F (2024) | 43.0°F (1982) | 1.61 in (1983) |
| October 2 | 106.0°F (1929) | 41.0°F (1927) | 0.25 in (1983) |
| October 3 | 107.1°F (2024) | 46.0°F (1930) | 0.72 in (1967) |
| October 4 | 108.0°F (2024) | 42.1°F (1904) | 1.10 in (1966) |
| October 5 | 108.0°F (2024) | 45.0°F (1982) | 0.77 in (1940) |
| October 6 | 107.1°F (2024) | 41.0°F (1969) | 0.40 in (1972) |
| October 7 | 107.1°F (1934) | 39.9°F (1904) | 0.30 in (1977) |
| October 8 | 106.0°F (2024) | 32.0°F (1906) | 0.30 in (2001) |
| October 9 | 107.1°F (1929) | 33.1°F (1906) | 0.12 in (1943) |
| October 10 | 105.1°F (2024) | 37.0°F (1906) | 0.45 in (1985) |
| October 11 | 104.0°F (1936) | 36.0°F (1904) | 0.80 in (1986) |
| October 12 | 105.1°F (1950) | 28.9°F (1906) | 0.97 in (1957) |
| October 13 | 104.0°F (1950) | 25.0°F (1906) | 0.51 in (2025) |
| October 14 | 102.9°F (1950) | 27.0°F (1906) | 1.14 in (1957) |
| October 15 | 100.0°F (1927) | 30.9°F (1906) | 0.59 in (1994) |
| October 16 | 102.0°F (2023) | 33.1°F (1906) | 1.17 in (1985) |
| October 17 | 102.0°F (1950) | 28.0°F (1906) | 0.60 in (1971) |
| October 18 | 102.0°F (2003) | 28.9°F (1906) | 0.80 in (1907) |
| October 19 | 102.0°F (2003) | 35.1°F (1949) | 1.84 in (1972) |
| October 20 | 102.0°F (1952) | 34.0°F (1949) | 1.24 in (1988) |
| October 21 | 102.9°F (2003) | 34.0°F (1906) | 0.14 in (2000) |
| October 22 | 100.9°F (2003) | 33.1°F (1906) | 0.53 in (2000) |
| October 23 | 100.0°F (2003) | 36.0°F (1935) | 0.27 in (1987) |
| October 24 | 99.0°F (1933) | 32.0°F (1906) | 0.31 in (1944) |
| October 25 | 99.0°F (1952) | 30.9°F (1975) | 0.23 in (1983) |
| October 26 | 99.0°F (2024) | 30.0°F (1906) | 0.14 in (1944) |
| October 27 | 99.0°F (2024) | 33.1°F (1906) | 1.08 in (1957) |
| October 28 | 99.0°F (1934) | 32.0°F (1906) | 0.35 in (2000) |
| October 29 | 96.1°F (1933) | 28.9°F (1982) | 0.69 in (1974) |
| October 30 | 98.1°F (1933) | 28.9°F (1935) | 1.12 in (1959) |
| October 31 | 96.1°F (1933) | 28.9°F (1971) | 1.50 in (1957) |