As of 04:54 PDT

Costa Mesa, CA weather in April

69°

Costa Mesa, Sunday, 9 August, 04:54

Mostly clear. Feels like 70°. High 97°, low 69°.

Pressure29.85 inHg

Wind3.2 mph SW

Humidity92%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In April, Costa Mesa, CA averages a high of 66.9° and a low of 52.6°. About 0.8 inches of precipitation fall over the month (3 wet days). The record high is 98.8° (1989) and the record low 41° (1999). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	65.1°	51.4°	17%	84.4° (1985)	43.2° (1967)
2	64.9°	50.9°	7%	85.5° (1960)	41.9° (1999)
3	65.5°	51.1°	10%	83.7° (1961)	44.4° (1964)
4	66.4°	51.1°	15%	94.8° (1989)	45.7° (1964)
5	66.7°	51.6°	12%	97.5° (1989)	43.3° (1999)
6	66.2°	52°	12%	98.8° (1989)	42.8° (2024)
7	66.4°	51.8°	13%	90.3° (1989)	43.2° (1964)
8	66.6°	51.6°	10%	84.2° (2022)	45.3° (1967)
9	67.1°	52°	7%	86° (1968)	43.9° (1999)
10	67.3°	52.2°	7%	87.6° (1968)	41° (1999)
11	66.9°	52.5°	12%	81.5° (1980)	45.5° (1965)
12	66.7°	52.5°	3%	87.6° (2008)	44.6° (1999)
13	67.3°	52.5°	10%	86.9° (2008)	45.1° (1983)
14	66.6°	52.5°	12%	88° (1964)	45.3° (1983)
15	66.4°	52.2°	15%	89.6° (1966)	45.3° (1970)
16	66.2°	52.3°	8%	80.8° (1961)	43.5° (1967)
17	66°	52.3°	12%	80.4° (2016)	43.2° (1976)
18	66.2°	52.9°	13%	81.3° (2021)	46° (2002)
19	67.3°	52.5°	10%	85.3° (2009)	45.9° (1975)
20	67.8°	52.9°	7%	89.1° (2009)	43.3° (1967)
21	67.6°	53.4°	7%	88.9° (1987)	46.6° (1967)
22	66.6°	52.9°	7%	84° (1987)	45° (1963)
23	67.5°	53.2°	5%	82.8° (2004)	45.5° (1968)
24	67.3°	53.4°	7%	80.4° (1992)	48.2° (1961)
25	68°	53.8°	12%	82.9° (1992)	46.9° (1961)
26	67.8°	54°	12%	87.6° (2004)	46.4° (1967)
27	68.2°	53.8°	7%	89.6° (2008)	46° (1971)
28	68.2°	54°	7%	85.8° (1981)	46.6° (1975)
29	68.7°	54.1°	5%	88.2° (1996)	45.1° (1970)
30	68.4°	54.5°	7%	90.5° (2014)	47.3° (1967)