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Louisville, KY Weather on April 9
Louisville hits 86°F on April 9, 1978: A spring heat record
Louisville experienced an unseasonably warm April 9th in 1978 when temperatures soared to 86°F, marking the city's record high for this date across 55 years of recorded weather data. This extreme spring warmth stands 22 degrees above the average high of 64°F typically seen in mid-April. The flip side of the historical record came in 1997 when a record low of 25°F demonstrated the volatile nature of Louisville's springtime weather, creating a 61-degree spread between the day's extreme temperature records.
What to Expect on April 9
Planning for April 9th in Louisville, KY? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Frequently Asked Questions
What was the warmest April 9 ever in Louisville?
The warmest April 9 in Louisville, KY reached 86°F in 1978. That is 23°F above the long-term average high of 63°F.
What was the coldest April 9 ever in Louisville?
The coldest April 9 in Louisville, KY dropped to 25°F in 1997. That is 17°F below the long-term average low of 42°F.
What is the average temperature on April 9 in Louisville?
On April 9, Louisville averages a high of 63°F and a low of 42°F based on 55 years of NOAA weather observations from LOUISVILLE BOWMAN FLD.
How many years of weather data are available for April 9 in Louisville?
We have 55 years of weather records for April 9 in Louisville, KY, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 9 Weather History in Louisville
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 59°F | 28°F | 0" | -- |
| 2024 | 64°F | 58°F | 0.58" | -- |
| 2023 | 67°F | 33°F | 0" | -- |
| 2022 | 49°F | 34°F | 0.08" | -- |
| 2021 | 82°F | 54°F | 0" | -- |
| 2020 | 62°F | 40°F | 0" | -- |
| 2019 | 71°F | 50°F | 0" | -- |
| 2018 | 51°F | 34°F | 0.1" | -- |
| 2017 | 79°F | 46°F | 0" | -- |
| 2016 | 47°F | 33°F | 0" | -- |
| 2015 | 82°F | 64°F | 0.79" | -- |
| 2014 | 67°F | 41°F | 0" | -- |
| 2013 | 82°F | 59°F | 0" | -- |
| 2012 | 71°F | 43°F | 0" | -- |
| 2011 | 80°F | 61°F | 1.83" | -- |
| 2010 | 61°F | 40°F | 0" | -- |
| 2009 | 67°F | 36°F | 0.05" | -- |
| 2008 | 69°F | 57°F | 0.18" | -- |
| 2007 | 52°F | 27°F | 0" | -- |
| 2006 | 60°F | 35°F | 0" | -- |
| 2005 | 77°F | 45°F | 0" | -- |
| 2004 | 65°F | 39°F | 0" | -- |
| 2003 | 42°F | 36°F | 0.66" | -- |
| 2002 | 63°F | 47°F | 0.2" | -- |
| 2001 | 84°F | 67°F | 0" | -- |
| 2000 | 62°F | 30°F | 0" | -- |
| 1999 | 76°F | 54°F | 0" | -- |
| 1998 | 61°F | 45°F | 0.13" | -- |
| 1997 | 44°F | 25°F | 0" | -- |
| 1996 | 46°F | 31°F | 0" | -- |
| 1995 | 78°F | 47°F | 0" | -- |
| 1994 | 73°F | 52°F | 0.03" | -- |
| 1993 | 63°F | 50°F | 3.18" | -- |
| 1992 | 78°F | 53°F | 0" | -- |
| 1991 | 79°F | 52°F | 0.23" | -- |
| 1990 | 72°F | 38°F | 0.03" | -- |
| 1989 | 47°F | 33°F | 0" | -- |
| 1988 | 68°F | 41°F | 0" | -- |
| 1987 | 68°F | 39°F | 0" | -- |
| 1986 | 55°F | 41°F | 0" | -- |
| 1985 | 47°F | 28°F | 0" | -- |
| 1984 | 55°F | 47°F | 0.23" | -- |
| 1983 | 57°F | 47°F | 0.99" | -- |
| 1982 | 39°F | 35°F | 0" | -- |
| 1981 | 74°F | 56°F | 0.1" | -- |
| 1980 | 56°F | 44°F | 0.2" | -- |
| 1979 | 56°F | 37°F | 0.71" | -- |
| 1978 | 86°F | 52°F | 0" | -- |
| 1977 | 59°F | 33°F | 0" | -- |
| 1976 | 57°F | 32°F | 0" | -- |
| 1975 | 50°F | 43°F | 0.51" | -- |
| 1974 | 49°F | 31°F | 0" | -- |
| 1973 | 53°F | 35°F | 0.2" | 0.3" |
| 1972 | 54°F | 26°F | 0" | -- |
| 1971 | 73°F | 48°F | 0" | -- |
Based on 55 years of data from NOAA station: LOUISVILLE BOWMAN FLD
How Has April 9 Changed?
Temperatures on this date have remained relatively stable over the past several decades.
Monthly Climate Averages
Historical temperature and precipitation averages for Louisville, KY, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.