As of 07:42 PDT

Costa Mesa, CA weather in January

70°

Costa Mesa, Sunday, 9 August, 07:42

Mostly clear. Feels like 71°. High 96°, low 71°.

Pressure29.88 inHg

Wind5 mph NW

Humidity92%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In January, Costa Mesa, CA averages a high of 62.8° and a low of 46.7°. About 2.8 inches of precipitation fall over the month (6 wet days). The record high is 85.6° (2018) and the record low 29.1° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.1°	45.3°	10%	73.9° (1964)	36.3° (1983)
2	62.1°	45.1°	15%	76.3° (2001)	34° (1960)
3	61.9°	45.5°	22%	75.7° (2001)	34.2° (1971)
4	61.7°	45.3°	22%	77° (2012)	34.5° (1971)
5	62.2°	46°	32%	76.5° (2006)	33.3° (1972)
6	62.4°	46.4°	18%	76.1° (2015)	33.8° (1973)
7	61.7°	46.6°	23%	79.3° (1962)	32.9° (1971)
8	62.1°	46°	13%	80.4° (2007)	33.8° (1989)
9	62.1°	46.8°	23%	76.1° (1983)	35.8° (1989)
10	62.8°	46.9°	18%	76.6° (1961)	37.2° (1972)
11	63.1°	46.9°	13%	78.3° (1996)	37° (1962)
12	63.1°	47.1°	17%	77.5° (2009)	33.8° (1989)
13	64.4°	46.4°	13%	77.5° (2018)	29.1° (1963)
14	64.6°	46.9°	15%	81.9° (2014)	32.7° (1963)
15	64°	47.7°	18%	85.1° (2021)	34.3° (2007)
16	63.1°	48°	25%	84° (1976)	35.6° (1987)
17	63.9°	47.3°	18%	81.1° (1976)	36.5° (2007)
18	64°	46.8°	12%	80.4° (1971)	36.3° (2007)
19	63.1°	47.7°	17%	80.4° (1975)	38.8° (1988)
20	63°	47.5°	17%	79° (1976)	35.1° (1963)
21	62.2°	47.3°	17%	77.5° (1976)	34.7° (1987)
22	62.6°	46.4°	18%	77.7° (2025)	36.7° (1966)
23	63°	46.9°	22%	80.1° (2025)	38.7° (1996)
24	63.3°	46.6°	17%	77.7° (2015)	36.3° (2002)
25	63°	47.1°	22%	77.5° (2003)	37.2° (1962)
26	62.8°	47.1°	17%	77.9° (2003)	39° (1989)
27	62.6°	46.8°	18%	77.9° (1971)	36° (1979)
28	63.1°	46.8°	17%	85.6° (2018)	38.8° (1999)
29	63.1°	46.2°	12%	84° (2018)	33.8° (1979)
30	61.9°	46.6°	18%	76.8° (2018)	36.5° (2002)
31	62.2°	46.6°	20%	81.1° (2003)	36.3° (2002)