Weather on October 20 at Big Bend
Big Bend National Park
Based on 55 years of data from Alpine, TX
Elevation Note: Big Bend sits at 3,800 ft. Expect temperatures 13°F cooler than the data shown below, which comes from Alpine, TX at a lower elevation.
Planning Your Visit
October 20th in Big Bend National Park (via Alpine, TX) typically brings pleasant fall weather, with average highs around 78°F and lows near 47°F — a 31°F daily swing. Over 55 years of records, the warmest October 20th was in 2025 (74°F average), while the coldest was 1976 (44°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 15% of October 20th dates historically, with the wettest October 20th recording 2.79" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Big Bend? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 89°F | 59°F | -- | -- |
| 2024 | 80°F | 60°F | -- | -- |
| 2023 | 89°F | 49°F | -- | -- |
| 2022 | 75°F | 46°F | -- | -- |
| 2021 | 84°F | 47°F | 0.03" | -- |
| 2020 | 89°F | 58°F | -- | -- |
| 2019 | 84°F | 54°F | -- | -- |
| 2018 | 59°F | 45°F | 1.07" | 0" |
| 2017 | 85°F | 55°F | 0" | 0" |
| 2016 | 89°F | 51°F | 0" | 0" |
| 2015 | 84°F | 57°F | 0" | 0" |
| 2014 | 82°F | 56°F | 0" | -- |
| 2013 | 71°F | 42°F | 0" | 0" |
| 2012 | 87°F | 47°F | 0" | 0" |
| 2011 | 73°F | 37°F | 0" | -- |
| 2010 | 78°F | 47°F | 0" | 0" |
| 2009 | 83°F | 55°F | 0" | 0" |
| 2008 | 83°F | 43°F | 0" | 0" |
| 2007 | 88°F | 38°F | 0" | 0" |
| 2006 | -- | 40°F | 0" | 0" |
| 2005 | 87°F | 46°F | 0" | 0" |
| 2004 | 84°F | 48°F | 0" | 0" |
| 2003 | 84°F | 48°F | 0" | 0" |
| 2002 | 77°F | 44°F | 0" | 0" |
| 2001 | 87°F | 48°F | 0" | 0" |
| 2000 | 72°F | 51°F | 0.13" | 0" |
| 1999 | 71°F | 31°F | 0" | 0" |
| 1998 | 62°F | 50°F | 2.79" | 0" |
| 1997 | 82°F | 45°F | 0" | 0" |
| 1996 | 79°F | 53°F | 0" | 0" |
| 1995 | 82°F | 38°F | 0" | 0" |
| 1994 | 83°F | 52°F | 0" | 0" |
| 1993 | 65°F | 44°F | 0.08" | 0" |
| 1992 | 80°F | 55°F | 0" | 0" |
| 1991 | 74°F | 45°F | 0" | 0" |
| 1990 | 82°F | 46°F | 0" | 0" |
| 1989 | 74°F | 35°F | 0" | 0" |
| 1988 | 84°F | 50°F | 0" | 0" |
| 1987 | 75°F | 45°F | 0" | 0" |
| 1986 | 69°F | 55°F | 0" | 0" |
| 1985 | 67°F | 55°F | 0" | 0" |
| 1984 | 75°F | 47°F | 0" | 0" |
| 1983 | 65°F | 45°F | 1.27" | 0" |
| 1982 | 80°F | 46°F | 0" | 0" |
| 1981 | 80°F | 53°F | 0" | 0" |
| 1980 | 52°F | 41°F | 1.88" | 0" |
| 1979 | 85°F | 49°F | 0" | 0" |
| 1978 | 78°F | 43°F | 0" | 0" |
| 1977 | 83°F | 49°F | 0" | 0" |
| 1976 | 66°F | 22°F | 0" | 0" |
| 1975 | 87°F | 45°F | 0" | 0" |
| 1974 | 73°F | 48°F | 0" | 0" |
| 1973 | 82°F | 44°F | 0" | 0" |
| 1972 | 72°F | 35°F | 0.74" | 0" |
| 1971 | 67°F | 33°F | 0" | 0" |