As of 20:56 PDT

Fullerton, CA weather in March

79°

Fullerton, Saturday, 8 August, 20:56

Clear. Feels like 79°. High 98°, low 70°.

Pressure29.85 inHg

Wind3 mph W

Humidity61%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

In March, Fullerton, CA averages a high of 67.5° and a low of 48°. About 2.8 inches of precipitation fall over the month (6 wet days). The record high is 95.5° (1988) and the record low 30.7° (1971). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	64.6°	47.5°	23%	87.4° (2022)	32.4° (1962)
2	64.2°	46.4°	35%	83.7° (2013)	30.7° (1971)
3	64.8°	46.6°	25%	81.5° (2020)	34.5° (1971)
4	65.1°	46°	27%	85.8° (2012)	33.6° (1966)
5	65.8°	46.8°	27%	83.8° (1972)	36.3° (1963)
6	65.5°	46.9°	32%	82.4° (2007)	36.5° (1976)
7	66.2°	46.8°	28%	82.6° (2004)	37.4° (1976)
8	66.6°	47.1°	17%	85.5° (2004)	35.2° (1964)
9	67.6°	46.9°	8%	83.8° (1997)	36.9° (1964)
10	66.9°	47.5°	22%	88.2° (1997)	39.6° (1999)
11	66.6°	48°	32%	89.8° (2007)	37.2° (1969)
12	67.6°	47.7°	22%	90.5° (2007)	36.1° (2006)
13	66.7°	48.4°	23%	89.4° (2015)	36.7° (1962)
14	67.3°	47.8°	22%	91.2° (2015)	34.3° (1962)
15	68.2°	47.7°	17%	90.7° (2015)	34.7° (1969)
16	68.4°	48.2°	13%	88.5° (2015)	36.5° (1991)
17	68.5°	48.4°	15%	84.4° (1978)	38.1° (1975)
18	68.5°	48.2°	20%	86.7° (1997)	37.8° (1963)
19	69.1°	48°	15%	91.4° (1997)	37.9° (2002)
20	68.7°	48.9°	22%	90.7° (1997)	39.4° (1970)
21	68°	48.4°	25%	82.6° (1960)	39.7° (1968)
22	68.9°	48.7°	20%	88.3° (2022)	39.7° (2006)
23	68.2°	49.1°	20%	87.1° (2022)	40.1° (1973)
24	69.1°	48.7°	15%	90.3° (1988)	38.7° (1962)
25	67.6°	49.1°	22%	94.5° (1988)	37.6° (1995)
26	68.2°	48.6°	18%	95.5° (1988)	38.8° (1964)
27	68°	49.1°	15%	90.7° (2015)	38.7° (1975)
28	68°	49.5°	22%	88.3° (2004)	39° (1991)
29	69.1°	48.2°	12%	89.4° (2004)	35.8° (1975)
30	70°	48.9°	10%	84.7° (2003)	37.4° (1975)
31	70.3°	49.1°	15%	88.7° (1966)	38.7° (1977)