As of 11:10 PDT

Weather in Costa Mesa, CA

64°

Costa Mesa, Monday, 12 October, 11:10

Partly cloudy. Feels like 64°. High 66°, low 59°.

Pressure29.88 inHg

Wind5 mph SW

Humidity81%

Visibility6.2 mi

Dew point58°

Mon, 12October

66°/59°

Tue, 13October

72°/56°

Wed, 14October

76°/55°

Thu, 15October

87°/56°

Fri, 16October

93°/73°

Sat, 17October

87°/74°

Sun, 18October

80°/73°

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	65°	59°	60°	61°	62°	63°	65°	66°	66°	63°	62°	60°
Feels like	65°	59°	60°	61°	62°	63°	65°	65°	65°	62°	61°	60°
Pressure, inHg	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.91	29.88	29.91	29.94	29.94
Wind, mph	3.4	3.4	3.4	3.4	3.4	3.4	3.3	3.2	2.9	1.7	0.4	0.9
Humidity, %	79%	79%	79%	79%	79%	79%	79%	73%	65%	63%	76%	79%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	4.9 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	58°	57°	56°	56°	59°	66°	70°	72°	72°	67°	64°	61°
Feels like	57°	56°	55°	55°	58°	65°	70°	71°	72°	67°	63°	61°
Pressure, inHg	29.97	29.97	29.94	29.97	30.00	30.03	30.00	29.97	29.97	29.97	30.00	30.03
Wind, mph	1.3	1.6	1.5	1	1.4	0.1	0.9	0.9	1.5	1.6	0.6	1
Humidity, %	82%	81%	82%	83%	81%	59%	56%	52%	59%	68%	73%	79%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	60°	58°	57°	56°	58°	66°	74°	76°	75°	71°	68°	65°
Feels like	60°	58°	56°	54°	56°	65°	73°	75°	74°	70°	67°	64°
Pressure, inHg	30.03	30.03	30.03	30.03	30.06	30.09	30.06	30.00	29.97	29.97	30.00	30.03
Wind, mph	0.9	1	0.7	0.8	0.9	0.5	1.1	1.9	1.9	1.4	0.6	0.4
Humidity, %	82%	84%	78%	72%	70%	54%	33%	30%	36%	51%	62%	66%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	61°	60°	57°	56°	62°	78°	84°	87°	86°	82°	77°	77°
Feels like	60°	59°	56°	55°	60°	77°	81°	83°	83°	80°	76°	75°
Pressure, inHg	30.03	30.00	30.00	30.00	30.00	30.00	29.97	29.91	29.88	29.91	29.91	29.91
Wind, mph	0.4	0.3	0.6	0.7	1.6	2.8	2.3	0.9	2	0.7	1.6	2.9
Humidity, %	71%	72%	77%	73%	52%	28%	21%	19%	22%	28%	32%	29%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	75°	73°	73°	74°	76°	83°	85°	87°	89°	90°	89°	86°
Feels like	74°	71°	72°	73°	74°	81°	82°	84°	85°	86°	86°	83°
Pressure, inHg	29.91	29.91	29.88	29.88	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91
Wind, mph	3.1	2.6	3.3	3.9	4.2	3.9	4.8	4.8	4.8	4.8	4.8	4.8
Humidity, %	30%	34%	33%	32%	30%	24%	20%	20%	20%	20%	20%	20%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	87°	76°	75°	74°	78°	81°	85°	87°	85°	84°	83°	80°
Feels like	87°	76°	74°	73°	76°	79°	83°	84°	83°	83°	81°	79°
Pressure, inHg	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91
Wind, mph	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3
Humidity, %	27%	27%	27%	27%	27%	27%	27%	27%	27%	27%	27%	27%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	79°	73°	74°	74°	76°	77°	78°	79°	78°	78°	76°	75°
Feels like	79°	73°	74°	74°	75°	77°	78°	79°	78°	77°	76°	75°
Pressure, inHg	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94
Wind, mph	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6
Humidity, %	40%	40%	40%	40%	40%	40%	40%	40%	40%	40%	40%	40%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 28 min

Sunrise — 06:53

Sunset — 18:21

Sunrise and sunset in local time

New moon, 2%

Sunrise — —

Sunset — —

Costa Mesa, CA climate by month

The annual average temperature in Costa Mesa, CA is 62.6°. The warmest month is August (average high 79.1°), and the coldest is January (average low 46.7°). About 13.3 inches of precipitation fall per year, most of it in February (2.9 in). Figures are 60-year climate normals and records from 66 years of observations.

Month	High	Low	Precipitation	Wet days	Record high	Record low
January	62.8°	46.7°	2.8 in	6	85.6° (2018)	29.1° (1963)
February	63.4°	47.9°	2.9 in	6	85.5° (2022)	34.3° (1985)
March	64.2°	50.1°	2.2 in	6	91.9° (1988)	37.4° (1971)
April	66.9°	52.6°	0.8 in	3	98.8° (1989)	41° (1999)
May	69.2°	56°	0.3 in	1	93.6° (2014)	46.4° (1967)
June	73.2°	59.4°	0.1 in	0	97.2° (1979)	48.7° (1971)
July	77.6°	63.4°	0.0 in	0	98.2° (1985)	54.9° (2010)
August	79.1°	64.6°	0.1 in	0	92.8° (1983)	56.3° (2010)
September	78.1°	63.7°	0.3 in	1	104° (1988)	53.1° (2024)
October	74.1°	59°	0.5 in	2	99.7° (2017)	39.9° (1971)
November	68.5°	52.4°	1.2 in	3	93° (1966)	37.6° (1994)
December	63.1°	47°	2.0 in	5	84° (2017)	31.3° (1990)