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Costa Mesa, CA Weather on April 11
April 11th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 51°F. Over 55 years of records, the warmest April 11th was in 1992 (73°F average), while the coldest was 2025 (0°F) — a 73°F range across recorded history. Rain or other precipitation has occurred on about 5% of April 11th dates historically, with the wettest April 11th recording 1.75" of rain. The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
What to Expect on April 11
Planning for April 11th in Costa Mesa, CA? Great weather for outdoor activities.
April 11 Weather Records for Costa Mesa
- •The all-time record high for April 11th in Costa Mesa, CA is 86°F, set in 1988.
- •The coldest April 11th on record dropped to -76°F in 2025.
- •A freeze (32°F or below) has occurred on April 11th in 1 of the last 55 years.
Frequently Asked Questions
What was the warmest April 11 ever in Costa Mesa?
The warmest April 11 in Costa Mesa, CA reached 86°F in 1988. That is 15°F above the long-term average high of 71°F.
What was the coldest April 11 ever in Costa Mesa?
The coldest April 11 in Costa Mesa, CA dropped to -76°F in 2025. That is 127°F below the long-term average low of 51°F.
What is the average temperature on April 11 in Costa Mesa?
On April 11, Costa Mesa averages a high of 71°F and a low of 51°F based on 55 years of NOAA weather observations from SANTA ANA JOHN WAYNE AP.
How many years of weather data are available for April 11 in Costa Mesa?
We have 55 years of weather records for April 11 in Costa Mesa, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 11 Weather History in Costa Mesa
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 75°F | -76°F | 0" | -- |
| 2024 | 71°F | 55°F | 0" | -- |
| 2023 | 65°F | 54°F | 0" | -- |
| 2022 | 69°F | 57°F | 0" | -- |
| 2021 | 68°F | 59°F | 0" | -- |
| 2020 | 68°F | 53°F | 0" | -- |
| 2019 | 69°F | 52°F | 0" | -- |
| 2018 | 73°F | 58°F | 0" | -- |
| 2017 | 72°F | 53°F | 0" | -- |
| 2016 | 72°F | 55°F | 0" | -- |
| 2015 | 70°F | 53°F | 0" | -- |
| 2014 | 78°F | 58°F | 0" | -- |
| 2013 | 71°F | 54°F | 0" | -- |
| 2012 | 65°F | 54°F | 0.84" | -- |
| 2011 | 72°F | 51°F | 0" | -- |
| 2010 | 63°F | 56°F | 0" | -- |
| 2009 | 65°F | 54°F | 0" | -- |
| 2008 | 83°F | 52°F | 0" | -- |
| 2007 | 69°F | 57°F | 0" | -- |
| 2006 | 68°F | 53°F | 0" | -- |
| 2005 | 73°F | 52°F | 0" | -- |
| 2004 | 75°F | 58°F | 0" | -- |
| 2003 | 67°F | 54°F | 0" | -- |
| 2002 | 68°F | 55°F | 0" | -- |
| 2001 | 63°F | 52°F | 0" | -- |
| 2000 | 73°F | 53°F | 0" | -- |
| 1999 | 57°F | 48°F | 1.75" | -- |
| 1998 | 60°F | 52°F | 0" | -- |
| 1997 | 71°F | 41°F | 0" | -- |
| 1996 | 70°F | 54°F | 0" | -- |
| 1995 | 80°F | 58°F | 0" | -- |
| 1994 | 83°F | 49°F | 0" | -- |
| 1993 | 74°F | 54°F | 0" | -- |
| 1992 | 76°F | 70°F | 0" | -- |
| 1991 | 72°F | 53°F | 0" | -- |
| 1990 | 83°F | 56°F | 0" | -- |
| 1989 | 72°F | 59°F | 0" | -- |
| 1988 | 86°F | 57°F | 0" | -- |
| 1987 | 70°F | 54°F | 0" | -- |
| 1986 | 71°F | 54°F | 0" | -- |
| 1985 | 73°F | 53°F | 0" | -- |
| 1984 | 73°F | 51°F | 0" | -- |
| 1983 | 62°F | 49°F | 0" | -- |
| 1982 | 59°F | 55°F | 0.71" | -- |
| 1981 | 72°F | 58°F | 0" | -- |
| 1980 | 85°F | 50°F | 0" | -- |
| 1979 | 69°F | 50°F | 0" | -- |
| 1978 | -- | 49°F | 0" | -- |
| 1977 | 67°F | 52°F | 0" | -- |
| 1976 | 67°F | 48°F | 0" | -- |
| 1975 | 64°F | 50°F | 0" | -- |
| 1974 | 73°F | 47°F | 0" | -- |
| 1973 | 70°F | 49°F | 0" | -- |
| 1972 | 71°F | 54°F | 0" | -- |
| 1971 | 74°F | 49°F | 0" | -- |
Based on 55 years of data from NOAA station: SANTA ANA JOHN WAYNE AP
Monthly Climate Averages
Historical temperature and precipitation averages for Costa Mesa, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.