Weather on March 18 at Big Bend
Big Bend National Park
Based on 53 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
March 18th in Big Bend National Park (via Alpine, TX) typically brings pleasant spring weather, with average highs around 73°F and lows near 43°F — a 30°F daily swing. Over 53 years of records, the warmest March 18th was in 1974 (71°F average), while the coldest was 1988 (33°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 9% of March 18th dates historically, with the wettest March 18th recording 0.76" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for March 18th in Big Bend? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 82°F | 49°F | -- | -- |
| 2025 | 85°F | 56°F | -- | -- |
| 2024 | 52°F | 44°F | -- | -- |
| 2023 | 37°F | 30°F | 0.71" | -- |
| 2022 | 65°F | 33°F | -- | -- |
| 2021 | 64°F | 31°F | -- | -- |
| 2020 | 76°F | 45°F | -- | -- |
| 2019 | 61°F | 32°F | 0" | 0" |
| 2018 | 76°F | 55°F | 0" | 0" |
| 2017 | 89°F | 49°F | 0" | 0" |
| 2016 | 78°F | 43°F | 0" | 0" |
| 2015 | 64°F | 42°F | 0.76" | -- |
| 2014 | 76°F | 41°F | 0" | 0" |
| 2013 | 82°F | 53°F | 0" | 0" |
| 2012 | 84°F | 55°F | 0" | 0" |
| 2011 | 87°F | 52°F | 0" | 0" |
| 2010 | 70°F | 26°F | 0" | 0" |
| 2007 | 86°F | 38°F | 0" | 0" |
| 2006 | 69°F | 54°F | 0" | 0" |
| 2005 | 63°F | 35°F | 0" | 0" |
| 2004 | 85°F | 47°F | 0" | 0" |
| 2002 | 69°F | 51°F | 0.64" | 0" |
| 2001 | 59°F | 42°F | 0.08" | 0" |
| 2000 | 74°F | 48°F | 0" | 0" |
| 1999 | 62°F | 39°F | 0" | 0" |
| 1998 | 72°F | 40°F | 0" | 0" |
| 1997 | 78°F | 56°F | 0" | 0" |
| 1996 | 70°F | 39°F | 0" | 0" |
| 1995 | 78°F | 49°F | 0.03" | 0" |
| 1994 | 82°F | 51°F | 0" | 0" |
| 1993 | 81°F | 49°F | 0" | 0" |
| 1992 | 65°F | 40°F | 0" | 0" |
| 1991 | 73°F | 34°F | 0" | 0" |
| 1990 | 78°F | 50°F | 0" | 0" |
| 1989 | 80°F | 50°F | 0" | 0" |
| 1988 | 48°F | 18°F | 0" | 0" |
| 1987 | 67°F | 42°F | 0" | 0" |
| 1986 | 73°F | 39°F | 0" | 0" |
| 1985 | 67°F | 42°F | 0" | 0" |
| 1984 | 81°F | 47°F | 0" | 0" |
| 1983 | 71°F | 32°F | 0" | 0" |
| 1982 | 89°F | 50°F | 0" | 0" |
| 1981 | 70°F | 31°F | 0" | 0" |
| 1980 | 62°F | 19°F | 0" | 0" |
| 1979 | 77°F | 39°F | 0" | 0" |
| 1978 | 77°F | 41°F | 0" | 0" |
| 1977 | 80°F | 43°F | 0" | 0" |
| 1976 | 81°F | 45°F | 0" | 0" |
| 1975 | 74°F | 33°F | 0" | 0" |
| 1974 | 84°F | 58°F | 0" | 0" |
| 1973 | 74°F | 39°F | 0" | 0" |
| 1972 | 84°F | 39°F | 0" | 0" |
| 1971 | 80°F | 52°F | 0" | 0" |