Weather on April 18
Fort Collins, CO
55 Years of Data
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 55 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 29% of recorded April 18th dates, with snow falling 11% of the time (heaviest snowfall: 2.6"). The last decade has been 8.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 8.6°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Fort Collins, CO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 61° | 29° | 45° | — | — |
| 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° | — | — |
Fort Collins, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Fort Collins, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Fort Collins, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Fort Collins, CO
Fort Collins, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.