As of 08:08 PDT

Mission Viejo, CA weather in May

72°

Mission Viejo, Sunday, 9 August, 08:08

Mostly clear. Feels like 73°. High 95°, low 71°.

Pressure29.88 inHg

Wind2 mph S

Humidity87%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In May, Mission Viejo, CA averages a high of 69.4° and a low of 55.2°. About 0.3 inches of precipitation fall over the month (2 wet days). The record high is 97.9° (2025) and the record low 45.7° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	68.5°	53.4°	7%	90.9° (2014)	45.7° (1967)
2	69.6°	54.1°	3%	89.4° (2004)	45.9° (1971)
3	69.6°	54.3°	5%	91.2° (2004)	47.7° (2002)
4	68.5°	54.7°	12%	89.4° (2018)	49.1° (1967)
5	67.6°	54.5°	8%	90° (1990)	47.7° (1969)
6	67.8°	54.3°	20%	90.3° (1990)	47.1° (1967)
7	68.5°	54.1°	12%	86.9° (2007)	46.8° (1964)
8	68.7°	54.3°	7%	88.2° (2007)	45.9° (2017)
9	68.9°	54.5°	5%	92.7° (2025)	47.3° (1979)
10	68.7°	54.7°	7%	97.9° (2025)	48.2° (1977)
11	68.9°	54.5°	0%	88.2° (2025)	47.1° (2022)
12	70.2°	54.3°	7%	87.4° (1979)	47.5° (1967)
13	70.7°	55.2°	8%	92.1° (2014)	48.9° (1998)
14	70.3°	55.4°	2%	94.3° (2014)	49.5° (1961)
15	69.6°	55.2°	7%	96.4° (2014)	49.3° (1962)
16	69.4°	55.2°	7%	89.1° (2014)	49.8° (1989)
17	70.3°	55.4°	3%	86.7° (2008)	47.5° (1962)
18	70.2°	55.6°	3%	84.6° (2008)	48.2° (1974)
19	69.8°	55.4°	3%	82.4° (2008)	49.8° (1991)
20	69.6°	55.8°	7%	90.9° (2017)	47.1° (1972)
21	69.4°	55.9°	5%	86.7° (2017)	50.4° (1962)
22	69.1°	55.6°	8%	82° (1988)	48.4° (1975)
23	68.5°	55.6°	3%	79° (2001)	50° (1960)
24	68.9°	55.4°	5%	88° (2021)	48.9° (2019)
25	68.7°	55.8°	2%	83.3° (1974)	49.3° (1980)
26	68.7°	55.6°	3%	81.9° (2020)	50.2° (1980)
27	69.6°	55.6°	3%	84.2° (1997)	50.2° (1971)
28	70.7°	56.1°	3%	87.8° (1973)	50.4° (1980)
29	70.9°	56.5°	2%	92.3° (1984)	50.7° (1980)
30	71.2°	56.5°	2%	90.9° (2025)	50.7° (1966)
31	70.7°	56.7°	2%	84° (2025)	50.7° (1966)