As of 06:05 PDT

Fountain Valley, CA weather in May

69°

Fountain Valley, Sunday, 9 August, 06:05

Partly cloudy. Feels like 70°. High 96°, low 69°.

Pressure29.85 inHg

Wind5 mph W

Humidity93%

Visibility6.2 mi

Dew point66°

See detailed hourly forecast

In May, Fountain Valley, CA averages a high of 69.5° and a low of 56°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 92.3° (2014) and the record low 46.6° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	68.9°	54.5°	2%	86.9° (2014)	46.6° (1967)
2	69.6°	54.9°	0%	87.4° (2004)	47.1° (1971)
3	69.8°	55.2°	3%	88.7° (2004)	48.2° (1967)
4	68.7°	55.4°	10%	81.9° (1987)	49.8° (1971)
5	67.8°	55.2°	8%	88.9° (1990)	49.3° (1999)
6	68°	55.2°	13%	88.2° (1990)	47.5° (1967)
7	68.7°	54.9°	10%	84° (2007)	47.3° (1964)
8	68.7°	55.2°	5%	85.5° (1984)	48° (1965)
9	69.1°	55.6°	3%	86.5° (2025)	50.2° (1979)
10	68.9°	55.4°	5%	90.7° (2025)	48.4° (2003)
11	69.1°	55.2°	0%	81.7° (1988)	50.2° (2022)
12	70.2°	55.2°	3%	86.2° (1979)	49.3° (1970)
13	70.5°	55.9°	5%	90.3° (2014)	48.9° (1998)
14	70.2°	56.1°	2%	91° (2014)	50.9° (1961)
15	69.6°	55.9°	7%	92.3° (2014)	49.5° (1998)
16	69.6°	56.1°	3%	86.5° (1967)	50.5° (1968)
17	70.3°	56.5°	3%	83.3° (2008)	50.2° (1971)
18	70°	56.5°	3%	82.4° (1986)	49.1° (1977)
19	70°	56.1°	3%	81° (1960)	49.5° (1991)
20	69.4°	56.7°	7%	84.6° (2017)	48.4° (1972)
21	69.6°	56.7°	3%	81° (1988)	50.9° (1962)
22	69.3°	56.3°	7%	79.2° (1988)	50.7° (1975)
23	68.9°	56.5°	5%	77° (2001)	51.4° (2021)
24	69.1°	56.5°	3%	81° (2021)	50.5° (1980)
25	68.9°	56.7°	0%	82.8° (1974)	49.5° (1980)
26	69.1°	56.7°	0%	80.6° (1968)	51.8° (1972)
27	69.6°	56.7°	0%	84.9° (1997)	51.8° (1962)
28	70.5°	57.2°	3%	85.5° (1997)	50.5° (2019)
29	70.9°	57.6°	0%	90.7° (1984)	51.3° (1964)
30	70.9°	57.2°	2%	83.3° (2025)	51.1° (2011)
31	70.5°	57.6°	2%	78.8° (1997)	51.6° (1966)