As of 10:43 PDT

Fountain Valley, CA weather in October

82°

Fountain Valley, Sunday, 9 August, 10:43

Mostly clear. Feels like 86°. High 94°, low 72°.

Pressure29.88 inHg

Wind4 mph W

Humidity68%

Visibility1.6 mi

Dew point71°

See detailed hourly forecast

In October, Fountain Valley, CA averages a high of 74.3° and a low of 59°. About 0.5 inches of precipitation fall over the month (2 wet days). The record high is 104.4° (2017) and the record low 39.7° (1971). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	76.6°	61.9°	5%	91.6° (1965)	53.1° (1971)
2	76.1°	61.3°	7%	90° (2014)	52.7° (1971)
3	75.6°	61.5°	7%	91.9° (1987)	54.1° (1973)
4	75.7°	61°	7%	94.8° (1987)	53.4° (1986)
5	75.9°	60.6°	7%	93.9° (1971)	53.8° (1969)
6	76.1°	60.4°	5%	97.5° (1971)	52.9° (1969)
7	76.3°	60.4°	7%	87.6° (2008)	53.6° (2007)
8	75.9°	60.4°	3%	90.1° (1994)	52° (2007)
9	75.6°	60.3°	5%	91.4° (1994)	53.2° (1961)
10	75.2°	59.9°	7%	95.9° (1991)	51.4° (2013)
11	74.3°	60.3°	8%	90.3° (2015)	53.6° (2024)
12	74.5°	59.4°	5%	87.8° (2011)	50.4° (2008)
13	74.5°	59.2°	8%	92.1° (1961)	50° (2021)
14	74.5°	59.5°	5%	99.3° (1961)	48.9° (2021)
15	74.7°	59.2°	5%	95.5° (1961)	50.4° (1966)
16	74.5°	58.5°	5%	91.8° (1967)	50.7° (2018)
17	74.5°	59°	8%	91.8° (1967)	47.7° (1971)
18	74.3°	58.6°	8%	85.6° (1967)	51.1° (1980)
19	74.3°	58.3°	8%	92.8° (1964)	47.8° (1971)
20	73.4°	58.5°	7%	91.4° (1964)	48.7° (2021)
21	73°	58.1°	7%	94.8° (1965)	49.3° (2021)
22	73.8°	58.6°	5%	95.7° (1965)	50.2° (1996)
23	74.5°	58.5°	10%	98.2° (2017)	50.7° (1984)
24	74.3°	58.6°	3%	104.4° (2017)	50.7° (1984)
25	73.4°	58.8°	5%	92.7° (2019)	48.2° (1971)
26	73.2°	57.4°	3%	89.6° (1993)	48.9° (2021)
27	72.5°	56.8°	8%	88.5° (1973)	48.7° (2020)
28	72.1°	56.5°	7%	85.5° (2025)	47.5° (1970)
29	72°	55.9°	7%	89.8° (2025)	44.2° (1971)
30	71.8°	55.9°	15%	89.2° (1962)	39.7° (1971)
31	71.8°	55°	7%	85.6° (2023)	45° (1971)