Weather on March 18 at Theodore Roosevelt
Theodore Roosevelt National Park
Based on 55 years of data from Medora, ND
Elevation Note: Theodore Roosevelt sits at 2,600 ft. Expect temperatures 9°F cooler than the data shown below, which comes from Medora, ND at a lower elevation.
Planning Your Visit
March 18th in Theodore Roosevelt National Park (via Medora, ND) typically brings chilly spring weather, with average highs around 47°F and lows near 22°F — a 25°F daily swing. Over 55 years of records, the warmest March 18th was in 2026 (56°F average), while the coldest was 2023 (12°F) — a 44°F range across recorded history. Precipitation has occurred on 13% of recorded March 18th dates, with snow falling 7% of the time. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 18th in Theodore Roosevelt? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 69°F | 44°F | 0" | -- |
| 2025 | 55°F | 24°F | 0" | 0" |
| 2024 | 65°F | 15°F | 0" | -- |
| 2023 | 28°F | -5°F | 0" | -- |
| 2022 | 54°F | 21°F | 0" | 0" |
| 2021 | 46°F | 10°F | 0" | 0" |
| 2020 | 46°F | 17°F | 0" | 0" |
| 2019 | 41°F | 10°F | 0" | 0" |
| 2018 | 37°F | 23°F | 0" | 0" |
| 2017 | 45°F | 22°F | 0" | -- |
| 2016 | 33°F | 18°F | 0" | 0" |
| 2015 | 44°F | 20°F | 0.08" | 0.7" |
| 2014 | 49°F | 26°F | 0.1" | -- |
| 2013 | 29°F | 3°F | 0.1" | 0.5" |
| 2012 | 76°F | 32°F | 0" | -- |
| 2011 | 37°F | 20°F | 0" | -- |
| 2010 | 59°F | 31°F | 0" | 0" |
| 2009 | 50°F | 24°F | 0" | 0" |
| 2008 | 55°F | 18°F | 0" | 0" |
| 2007 | 55°F | 31°F | 0" | 0" |
| 2006 | 29°F | 24°F | 0" | -- |
| 2005 | 26°F | 18°F | 0.13" | -- |
| 2004 | 54°F | 25°F | -- | -- |
| 2003 | 32°F | 31°F | -- | -- |
| 2002 | 27°F | 13°F | -- | -- |
| 2001 | 48°F | 29°F | -- | -- |
| 2000 | 54°F | 25°F | 0" | 0" |
| 1999 | 60°F | 19°F | 0" | 0" |
| 1998 | 38°F | 27°F | 0" | 0" |
| 1996 | 41°F | 15°F | 0" | 0" |
| 1995 | 65°F | 33°F | 0" | 0" |
| 1994 | 62°F | 26°F | 0" | 0" |
| 1993 | 56°F | 23°F | 0" | 0" |
| 1992 | 42°F | 25°F | 0.05" | 0.1" |
| 1991 | 60°F | 19°F | 0" | 0" |
| 1990 | 36°F | 16°F | 0" | 0" |
| 1989 | 40°F | 11°F | 0" | 0" |
| 1988 | 50°F | 20°F | 0" | 0" |
| 1987 | 36°F | 27°F | 0.41" | 1" |
| 1986 | 41°F | 32°F | 0" | 0" |
| 1985 | 66°F | 22°F | 0" | 0" |
| 1984 | 46°F | 26°F | 0" | 0" |
| 1983 | 33°F | 23°F | 0" | 0" |
| 1982 | 34°F | 25°F | 0.15" | 0" |
| 1981 | 44°F | 16°F | 0" | 0" |
| 1980 | 57°F | 22°F | 0" | 0" |
| 1979 | 34°F | 27°F | 0" | 0" |
| 1978 | 45°F | 34°F | 0" | 0" |
| 1977 | 48°F | 16°F | 0" | 0" |
| 1976 | 63°F | 29°F | 0" | 0" |
| 1975 | 59°F | 21°F | 0" | 0" |
| 1974 | 62°F | 31°F | 0" | 0" |
| 1973 | 44°F | 21°F | 0" | 0" |
| 1972 | 68°F | 25°F | 0" | 0" |
| 1971 | 38°F | 27°F | 0" | 0" |