Weather on April 18
Fort Collins, CO
55 Years of Data
Avg High
65°F
Avg Low
36°F
Warmest
1987
63°F avg
Coldest
2013
26°F avg
About This Date
April 18th in Fort Collins, CO typically brings mild spring weather, with average highs around 65°F and lows near 36°F — a 29°F daily swing. Over 54 years of records, the warmest April 18th was in 1987 (63°F average), while the coldest was 2013 (26°F) — a 37°F range across recorded history. Precipitation has occurred on 30% of recorded April 18th dates, with snow falling 11% of the time (heaviest snowfall: 2.6"). The last decade has been 8.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 8.5°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Fort Collins, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 35° | 28° | 32° | 0.79" | 2.6" |
| 2024 | 47° | 32° | 39° | 0.64" | 1.7" |
| 2023 | 77° | 40° | 58° | — | — |
| 2022 | 63° | 29° | 46° | — | — |
| 2021 | 61° | 29° | 45° | — | — |
| 2020 | 53° | 25° | 39° | 0.05" | — |
| 2019 | 61° | 39° | 50° | 0.03" | — |
| 2018 | 59° | 35° | 47° | — | — |
| 2017 | 73° | 46° | 60° | — | — |
| 2016 | 52° | 33° | 42° | — | — |
| 2015 | 55° | 37° | 46° | — | — |
| 2014 | 80° | 35° | 58° | — | — |
| 2013coldest | 42° | 10° | 26° | — | — |
| 2012 | 69° | 39° | 54° | — | — |
| 2011 | 61° | 45° | 53° | — | — |
| 2010 | 70° | 37° | 53° | — | — |
| 2009 | 49° | 33° | 41° | 1.55" | 0.1" |
| 2008 | 69° | 27° | 48° | — | — |
| 2007 | 71° | 36° | 53° | — | — |
| 2006 | 72° | 39° | 55° | — | — |
| 2005 | 78° | 40° | 59° | — | — |
| 2004 | 67° | 53° | 60° | — | — |
| 2003 | 64° | 43° | 53° | 0.36" | — |
| 2002 | 69° | 39° | 54° | — | — |
| 2001 | 81° | 35° | 58° | — | — |
| 2000 | 77° | 38° | 57° | — | — |
| 1999 | 72° | 33° | 52° | — | — |
| 1998 | 52° | 32° | 42° | 0.3" | 0.8" |
| 1997 | 72° | 40° | 56° | — | — |
| 1996 | 64° | 39° | 52° | — | — |
| 1995 | 52° | 30° | 41° | 0.15" | 0.1" |
| 1994 | 79° | 41° | 60° | — | — |
| 1993 | 69° | 39° | 54° | 0.08" | — |
| 1992 | 64° | 42° | 53° | 0.25" | — |
| 1991 | 55° | 39° | 47° | 0.3" | — |
| 1990 | 68° | 30° | 49° | — | — |
| 1989 | 63° | 35° | 49° | — | — |
| 1988 | 70° | 35° | 52° | 0.05" | — |
| 1987warmest | 83° | 43° | 63° | — | — |
| 1986 | 53° | 38° | 45° | 0.03" | — |
| 1985 | 78° | 44° | 61° | — | — |
| 1984 | 67° | 39° | 53° | — | — |
| 1983 | 68° | 27° | 47° | — | — |
| 1982 | 67° | 32° | 49° | — | — |
| 1981 | 71° | 44° | 58° | — | — |
| 1980 | 78° | 29° | 53° | — | — |
| 1979 | 79° | 41° | 60° | — | — |
| 1978 | 59° | 38° | 48° | — | — |
| 1977 | 59° | 36° | 47° | 0.08" | — |
| 1976 | 57° | 35° | 46° | — | — |
| 1975 | 47° | 27° | 37° | 1.3" | 2.5" |
| 1974 | 72° | 37° | 54° | — | — |
| 1972 | 58° | 36° | 47° | 0.03" | — |
| 1971 | 73° | 43° | 58° | — | — |
54 years of data from FT COLLINS