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Monthly weather forecast in Costa Mesa

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

15 December, sun

	754 mmHg		58%
	4.4 m/s		+16

15 December, Sunday. day, 15°; night, 14°; clear

16 December, mon

	754 mmHg		56%
	5 m/s		+16

16 December, Monday. day, 16°; night, 15°; rain

17 December, tue

	754 mmHg		61%
	3.7 m/s		+16

17 December, Tuesday. day, 16°; night, 13°; partly cloudy

18 December, wed

	763 mmHg		42%
	2.9 m/s		+15

Climate normal

18 December, Wednesday. day, 25°; night, 11°; clear

19 December, thu

	763 mmHg		57%
	2.8 m/s		+15

Climate normal

19 December, Thursday. day, 22°; night, 10°; partly cloudy

20 December, fri

	764 mmHg		70%
	3.7 m/s		+15

Climate normal

20 December, Friday. day, 19°; night, 10°; mostly clear

21 December, sat

	764 mmHg		75%
	3.8 m/s		+15

Climate normal

21 December, Saturday. day, 17°; night, 11°; partly cloudy

22 December, sun

	763 mmHg		81%
	3.3 m/s		+15

Climate normal

22 December, Sunday. day, 17°; night, 13°; overcast

23 December, mon

	762 mmHg		81%
	3.2 m/s		+15

Climate normal

23 December, Monday. day, 17°; night, 12°; overcast

24 December, tue

	763 mmHg		81%
	3.8 m/s		+15

Climate normal

24 December, Tuesday. day, 16°; night, 11°; rain

25 December, wed

	762 mmHg		71%
	4 m/s		+15

Climate normal

25 December, Wednesday. day, 17°; night, 10°; mostly clear

26 December, thu

	761 mmHg		64%
	4.1 m/s		+15

Climate normal

26 December, Thursday. day, 17°; night, 10°; partly cloudy

27 December, fri

	761 mmHg		70%
	4.7 m/s		+15

Climate normal

27 December, Friday. day, 17°; night, 11°; partly cloudy

28 December, sat

	762 mmHg		72%
	3.3 m/s		+13

Climate normal

28 December, Saturday. day, 17°; night, 11°; partly cloudy

29 December, sun

	761 mmHg		69%
	3.6 m/s		+14

Climate normal

29 December, Sunday. day, 16°; night, 12°; partly cloudy

30 December, mon

	735 mmHg		69%
	3.4 m/s		+12

Climate normal

30 December, Monday. day, 13°; night, 12°; mostly clear

31 December, tue

	734 mmHg		64%
	3 m/s		+12

Climate normal

31 December, Tuesday. day, 13°; night, 12°; mostly clear

1 January, wed

	735 mmHg		71%
	4.4 m/s		+13

Climate normal

1 January, Wednesday. day, 14°; night, 12°; clear

2 January, thu

	736 mmHg		70%
	4.4 m/s		+12

Climate normal

2 January, Thursday. day, 13°; night, 11°; mostly clear

3 January, fri

	736 mmHg		64%
	4.7 m/s		+13

Climate normal

3 January, Friday. day, 14°; night, 12°; partly cloudy

4 January, sat

	737 mmHg		52%
	7.5 m/s		+13

Climate normal

4 January, Saturday. day, 14°; night, 10°; mostly clear

5 January, sun

	735 mmHg		51%
	5.8 m/s		+13

Climate normal

5 January, Sunday. day, 14°; night, 12°; mostly clear

6 January, mon

	735 mmHg		54%
	3.5 m/s		+13

Climate normal

6 January, Monday. day, 14°; night, 12°; mostly clear

7 January, tue

	736 mmHg		56%
	3.9 m/s		+13

Climate normal

7 January, Tuesday. day, 15°; night, 12°; mostly clear

8 January, wed

	736 mmHg		67%
	4 m/s		+14

Climate normal

8 January, Wednesday. day, 15°; night, 14°; clear

9 January, thu

	735 mmHg		67%
	5.2 m/s		+15

Climate normal

9 January, Thursday. day, 16°; night, 15°; clear

10 January, fri

	733 mmHg		69%
	3.6 m/s		+15

Climate normal

10 January, Friday. day, 17°; night, 14°; clear

11 January, sat

	733 mmHg		73%
	3 m/s		+15

Climate normal

11 January, Saturday. day, 16°; night, 15°; clear

12 January, sun

	733 mmHg		69%
	2.3 m/s		+15

Climate normal

12 January, Sunday. day, 16°; night, 15°; clear

13 January, mon

	731 mmHg		71%
	3.5 m/s		+15

Climate normal

13 January, Monday. day, 17°; night, 14°; clear

14 January, tue

	730 mmHg		71%
	2.2 m/s		+15

Climate normal

14 January, Tuesday. day, 16°; night, 14°; clear

15 January, wed

	733 mmHg		67%
	4.8 m/s		+15

Climate normal

15 January, Wednesday. day, 16°; night, 15°; mostly clear

16 January, thu

	732 mmHg		71%
	3.8 m/s		+15

Climate normal

16 January, Thursday. day, 16°; night, 14°; clear

Average data for 10 years

Next, the average data for 10 years

17 January, fri

	756 mmHg		43%
	3.7 m/s		+17

17 January, Friday. day, 18°; night, 16°; clear

18 January, sat

	756 mmHg		49%
	4 m/s		+17

18 January, Saturday. day, 18°; night, 16°; partly cloudy

Average for 30 days

20

sunny days

1

day with precipitation

9

cloudy days

20 sunny days; 1 day with precipitation; 9 cloudy days;

67

%

air humidity

3.9

m/s

WindSW

2

mm of precipitation

(1% of annual average)

+14

°C

Water temperature

air humidity 67%; 2 millimeters of precipitation (1% of annual average); Wind south-westerly 3.9 Meters per second; Water temperature +14°

Forecast in graphs

TemperatureWater temperatureHumidity, %Wind, m/sPressure, mmHg

SW

SW

W

W

SW

W

SW

SW

SW

SW

SW

SW

N

W

NW

NW

NW

NE

E

E

N

NE

SE

W

W

SW

NW

E

SW

NW

18

Average data for 10 years

19

20

21

22

23

24

25

26

27

28

29

30

31

1

January

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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