October weather in Harriman, TN
The average temperature in Harriman in October is 59.9°F (48.2°F–71.6°F). Average precipitation: 3.22 inches.
October is a fall month in Harriman, and is warmer than the annual average of 58.4°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 11h 4m. For travel, October is a comfortable month to visit.
Avg High
71.6°F
Avg Low
48.2°F
Precipitation
3.22 in
Daylight
11h 4m
October records in Harriman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.9°F (2019) | 42.1°F (2003) | 3.27 in (1915) |
| October 2 | 95.0°F (2019) | 39.9°F (2003) | 1.00 in (2015) |
| October 3 | 95.0°F (2019) | 37.9°F (2003) | 1.55 in (1962) |
| October 4 | 95.0°F (2019) | 37.0°F (2003) | 1.49 in (1956) |
| October 5 | 88.0°F (2019) | 39.0°F (2014) | 2.60 in (1995) |
| October 6 | 87.1°F (2007) | 39.0°F (2010) | 1.71 in (1945) |
| October 7 | 88.0°F (2007) | 37.9°F (2001) | 1.50 in (1959) |
| October 8 | 90.0°F (2007) | 34.0°F (2000) | 1.42 in (1903) |
| October 9 | 89.1°F (2007) | 35.1°F (2000) | 2.82 in (2017) |
| October 10 | 84.9°F (2017) | 32.0°F (2000) | 2.00 in (1999) |
| October 11 | 84.0°F (2018) | 33.1°F (2000) | 1.30 in (1909) |
| October 12 | 86.0°F (2010) | 35.1°F (2000) | 1.00 in (2002) |
| October 13 | 84.0°F (2008) | 34.0°F (2006) | 1.88 in (1986) |
| October 14 | 82.9°F (2008) | 33.1°F (2006) | 1.24 in (1959) |
| October 15 | 82.9°F (2008) | 34.0°F (2006) | 2.07 in (1925) |
| October 16 | 82.0°F (2008) | 39.9°F (2010) | 1.57 in (1932) |
| October 17 | 81.0°F (2016) | 35.1°F (2001) | 3.00 in (1949) |
| October 18 | 84.0°F (2016) | 30.9°F (2022) | 1.48 in (1967) |
| October 19 | 86.0°F (2016) | 30.9°F (2022) | 2.16 in (1972) |
| October 20 | 89.1°F (2016) | 33.1°F (2022) | 1.69 in (1960) |
| October 21 | 87.1°F (2016) | 33.1°F (2018) | 0.79 in (2007) |
| October 22 | 79.0°F (2005) | 33.1°F (2022) | 1.21 in (2019) |
| October 23 | 79.0°F (2000) | 36.0°F (2018) | 2.33 in (1890) |
| October 24 | 81.0°F (2000) | 33.1°F (2006) | 1.40 in (2017) |
| October 25 | 80.1°F (2016) | 30.9°F (2013) | 2.38 in (2010) |
| October 26 | 79.0°F (2000) | 28.9°F (2013) | 2.10 in (1946) |
| October 27 | 82.9°F (2010) | 28.9°F (2013) | 1.74 in (2010) |
| October 28 | 79.0°F (2000) | 30.0°F (2001) | 2.30 in (2006) |
| October 29 | 82.0°F (2023) | 30.0°F (2008) | 3.13 in (2020) |
| October 30 | 84.0°F (2016) | 30.0°F (2008) | 2.10 in (1970) |
| October 31 | 82.9°F (2016) | 32.0°F (2008) | 1.73 in (1949) |