As of 22:08 PDT

Fullerton, CA weather in April

77°

Fullerton, Saturday, 8 August, 22:08

Clear. Feels like 77°. High 98°, low 70°.

Pressure29.88 inHg

Wind1 mph S

Humidity69%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

In April, Fullerton, CA averages a high of 71.8° and a low of 50.9°. About 1.0 inches of precipitation fall over the month (3 wet days). The record high is 102.6° (1989) and the record low 36.3° (1999). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	68.9°	49.5°	18%	88.9° (1985)	40.1° (1967)
2	68.9°	48.9°	17%	90° (1985)	36.3° (1999)
3	69.6°	48.9°	13%	94.5° (1961)	39.9° (1975)
4	70.3°	48.9°	17%	96.1° (1989)	41.2° (1983)
5	70.7°	49.5°	15%	100.2° (1989)	39.7° (1999)
6	70.7°	50.2°	12%	102.6° (1989)	40.5° (2024)
7	71.2°	50°	15%	99.9° (1989)	38.7° (1975)
8	71.2°	50.2°	13%	99.9° (2022)	40.8° (1967)
9	72.1°	50.2°	13%	95.4° (2018)	38.5° (1999)
10	72.7°	50.2°	8%	91.2° (1988)	36.7° (1999)
11	71.6°	51.1°	15%	87.3° (1988)	41.5° (1965)
12	71.2°	50.7°	7%	92.3° (2008)	39.4° (1965)
13	72°	50.9°	12%	94.6° (2008)	42.4° (1983)
14	71.2°	50.7°	12%	93.4° (1964)	42.4° (1983)
15	71.2°	50.5°	15%	95.4° (1966)	43.2° (2012)
16	70.7°	50.5°	12%	89.4° (1961)	39.7° (1998)
17	70.5°	50.5°	17%	87.3° (1980)	39.4° (1976)
18	70.5°	51.3°	18%	87.3° (2016)	41.5° (1975)
19	72.3°	50.9°	10%	93.6° (2009)	42.6° (1967)
20	73.2°	50.9°	8%	97.5° (2009)	39.7° (1967)
21	73°	51.8°	10%	93.7° (2017)	44.1° (1973)
22	71.8°	51.6°	8%	93.2° (1987)	40.6° (1963)
23	72.5°	51.6°	7%	88.5° (1962)	41.5° (1967)
24	72.5°	51.8°	8%	97.3° (2020)	43° (1963)
25	73.6°	52.3°	10%	92.1° (2004)	44.8° (1961)
26	73.8°	52.2°	7%	98.2° (2004)	43.9° (1967)
27	73.9°	52.5°	7%	97° (2004)	45.7° (1971)
28	73.9°	52.7°	12%	93.7° (1981)	44.2° (1970)
29	74.5°	53.2°	5%	94.8° (1981)	40.3° (1970)
30	74.1°	53.4°	8%	92.8° (1996)	43.3° (1967)