Weather on April 18 at Theodore Roosevelt
Theodore Roosevelt National Park
Based on 53 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
April 18th in Theodore Roosevelt National Park (via Medora, ND) typically brings mild spring weather, with average highs around 60°F and lows near 33°F — a 27°F daily swing. Over 53 years of records, the warmest April 18th was in 1979 (70°F average), while the coldest was 2013 (23°F) — a 47°F range across recorded history. Rain or other precipitation has occurred on about 25% of April 18th dates historically, with the wettest April 18th recording 2.79" of rain. The last decade has been 9.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 9.7°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Theodore Roosevelt? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 46°F | 24°F | 0" | -- |
| 2024 | 47°F | 38°F | 0" | -- |
| 2023 | 64°F | 37°F | 0" | -- |
| 2022 | 36°F | 15°F | 0" | -- |
| 2021 | 61°F | 20°F | 0" | 0" |
| 2020 | 59°F | 29°F | 0" | 0" |
| 2019 | 60°F | 32°F | 0.1" | 0" |
| 2018 | 43°F | 27°F | 0.05" | 0" |
| 2017 | 53°F | 28°F | 0.08" | 0" |
| 2016 | 38°F | 34°F | 0.2" | -- |
| 2015 | 72°F | 29°F | 0" | 0" |
| 2014 | 49°F | 30°F | 0" | -- |
| 2013 | 33°F | 13°F | 0" | 0" |
| 2012 | 65°F | 24°F | -- | -- |
| 2011 | 32°F | 25°F | -- | -- |
| 2010 | 66°F | 45°F | 0" | 0" |
| 2009 | 53°F | 33°F | 0" | 0" |
| 2008 | 62°F | 25°F | 0" | 0" |
| 2007 | 66°F | 43°F | 0" | 0" |
| 2006 | 65°F | 32°F | 2.79" | 0" |
| 2005 | 83°F | 49°F | 0" | 0" |
| 2004 | 59°F | 39°F | -- | 0" |
| 2003 | 48°F | 39°F | -- | -- |
| 2002 | 44°F | 18°F | -- | -- |
| 2001 | 73°F | 32°F | -- | -- |
| 2000 | 65°F | 30°F | 0" | 0" |
| 1999 | 65°F | 30°F | 0" | 0" |
| 1998 | 51°F | 35°F | -- | -- |
| 1997 | 75°F | 43°F | 0" | 0" |
| 1996 | 64°F | 44°F | 0" | 0" |
| 1995 | 54°F | 30°F | 0.03" | 0" |
| 1994 | 85°F | 50°F | 0" | 0" |
| 1993 | 68°F | 33°F | 0.1" | 0" |
| 1991 | 49°F | 36°F | 0.03" | 0" |
| 1990 | 75°F | 32°F | 0" | 0" |
| 1989 | 63°F | 26°F | 0" | 0" |
| 1988 | 59°F | 17°F | 0" | 0" |
| 1987 | 91°F | 43°F | 0" | 0" |
| 1986 | 57°F | 40°F | 0.23" | 0" |
| 1984 | 69°F | 35°F | 0" | 0" |
| 1983 | 68°F | 26°F | 0" | 0" |
| 1982 | 59°F | 25°F | 0" | 0" |
| 1981 | 74°F | 41°F | 0.46" | 0" |
| 1980 | 84°F | 34°F | 0" | 0" |
| 1979 | 83°F | 58°F | 0" | 0" |
| 1978 | 49°F | 33°F | 0.46" | 0" |
| 1977 | 57°F | 37°F | 0" | 0" |
| 1976 | 54°F | 29°F | 0" | 0" |
| 1975 | 42°F | 31°F | 0.2" | 0" |
| 1974 | 69°F | 39°F | 0" | 0" |
| 1973 | 61°F | 45°F | 0" | 0" |
| 1972 | 46°F | 25°F | 0" | 0" |
| 1971 | 51°F | 42°F | 0.56" | 0" |