October weather in South Portland, ME
The average temperature in South Portland in October is 50.3°F (41.0°F–59.5°F). Average precipitation: 5.25 inches. Average snowfall is 0.2 inches.
October is a fall month in South Portland, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 10h 46m. For travel, October is a wet month.
Avg High
59.5°F
Avg Low
41.0°F
Precipitation
5.25 in
Snow
0.2 in
October records in South Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 84.9°F (1950) | 27.0°F (1963) | 2.12 in (1977) |
| October 2 | 84.9°F (1968) | 27.0°F (1964) | 1.77 in (2011) |
| October 3 | 81.0°F (2023) | 28.9°F (1957) | 1.90 in (2009) |
| October 4 | 82.0°F (1941) | 27.0°F (1944) | 0.89 in (1987) |
| October 5 | 81.0°F (1946) | 26.1°F (1963) | 1.73 in (1985) |
| October 6 | 86.0°F (2025) | 23.0°F (1965) | 7.49 in (1962) |
| October 7 | 88.0°F (1963) | 24.1°F (1965) | 3.00 in (1945) |
| October 8 | 81.0°F (1947) | 24.1°F (1954) | 4.43 in (2005) |
| October 9 | 84.9°F (2011) | 21.9°F (1953) | 2.63 in (1998) |
| October 10 | 84.0°F (2018) | 23.0°F (1963) | 5.61 in (1998) |
| October 11 | 77.0°F (1955) | 24.1°F (1993) | 0.62 in (2018) |
| October 12 | 81.0°F (1954) | 18.0°F (1964) | 3.91 in (2007) |
| October 13 | 84.0°F (1954) | 26.1°F (1957) | 1.96 in (2020) |
| October 14 | 78.1°F (1990) | 19.9°F (1958) | 2.79 in (2022) |
| October 15 | 75.9°F (1963) | 24.1°F (1980) | 3.51 in (2010) |
| October 16 | 84.0°F (1963) | 25.0°F (1950) | 2.00 in (2002) |
| October 17 | 84.0°F (1947) | 26.1°F (1941) | 1.44 in (1977) |
| October 18 | 82.0°F (1947) | 23.0°F (1978) | 1.49 in (2022) |
| October 19 | 81.0°F (1963) | 21.0°F (1948) | 0.93 in (1990) |
| October 20 | 79.0°F (1947) | 24.1°F (1952) | 2.78 in (1996) |
| October 21 | 78.1°F (2024) | 19.0°F (1972) | 11.74 in (1996) |
| October 22 | 81.0°F (1979) | 19.9°F (1960) | 2.18 in (1988) |
| October 23 | 82.9°F (1947) | 21.9°F (1997) | 1.74 in (2019) |
| October 24 | 81.0°F (1963) | 21.9°F (1969) | 1.77 in (1990) |
| October 25 | 75.9°F (1963) | 19.9°F (1947) | 1.74 in (2005) |
| October 26 | 79.0°F (1963) | 18.0°F (1952) | 1.88 in (2008) |
| October 27 | 81.0°F (1963) | 19.9°F (1976) | 1.96 in (1943) |
| October 28 | 80.1°F (2023) | 15.1°F (1976) | 2.27 in (2006) |
| October 29 | 75.0°F (1989) | 19.9°F (1959) | 1.43 in (2003) |
| October 30 | 71.1°F (1950) | 19.0°F (1962) | 2.78 in (2021) |
| October 31 | 80.1°F (1946) | 18.0°F (1966) | 3.05 in (1955) |