As of 04:54 PDT

Costa Mesa, CA weather in May

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 May, Costa Mesa, CA averages a high of 69.2° and a low of 56°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 93.6° (2014) and the record low 46.4° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	68.5°	54.5°	2%	88.2° (2014)	46.4° (1967)
2	69.4°	54.9°	2%	88.2° (2004)	47.3° (1971)
3	69.4°	55.2°	3%	89.6° (2004)	48.4° (1967)
4	68.2°	55.4°	10%	82.8° (1987)	50° (1967)
5	67.3°	55.2°	8%	89.4° (1990)	49.1° (1999)
6	67.6°	55°	15%	89.1° (1990)	47.8° (1967)
7	68.4°	54.9°	10%	84.9° (2007)	47.3° (1964)
8	68.5°	55.2°	7%	86.4° (2007)	48.2° (1965)
9	68.7°	55.6°	5%	86.4° (1993)	49.3° (1979)
10	68.5°	55.6°	5%	81° (1993)	49.1° (2003)
11	68.7°	55.2°	0%	82.2° (1988)	50.4° (1977)
12	70°	55.2°	3%	86.7° (1979)	48.9° (1970)
13	70.3°	56.1°	5%	91° (2014)	48.9° (1998)
14	70°	56.3°	2%	91.9° (2014)	50.5° (1961)
15	69.4°	55.9°	7%	93.6° (2014)	49.6° (1998)
16	69.4°	56.1°	5%	87.3° (1967)	50.7° (1968)
17	70.2°	56.5°	5%	84.4° (2008)	49.8° (1962)
18	69.8°	56.5°	3%	83.1° (1986)	49.3° (1977)
19	69.6°	56.1°	3%	81.3° (1960)	49.6° (1991)
20	69.3°	56.5°	8%	79.7° (1960)	48.2° (1972)
21	69.3°	56.7°	3%	81.5° (1988)	51.1° (1962)
22	68.9°	56.3°	7%	80.1° (1988)	50° (1975)
23	68.5°	56.7°	3%	77.4° (1985)	51.4° (1971)
24	68.7°	56.5°	3%	75.6° (1986)	50.4° (1980)
25	68.5°	56.7°	0%	83.1° (1974)	49.3° (1980)
26	68.9°	56.7°	2%	81° (1968)	51.8° (1972)
27	69.4°	56.7°	2%	85.1° (1997)	51.4° (1971)
28	70.3°	57.2°	3%	85.8° (1984)	52° (1980)
29	70.7°	57.6°	0%	91.4° (1984)	51.4° (1964)
30	70.7°	57.2°	2%	80.4° (1984)	50.9° (2011)
31	70.3°	57.4°	0%	79° (1997)	51.8° (1966)