10 day forecast Monthly forecast Weather map

City or area

Go to comparison

May weather forecast in Fountain Valley

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

27 April, sun

	761 mmHg		71%
	5 m/s		+21

27 April, Sunday. day, 21°; night, 13°; partly cloudy

28 April, mon

	760 mmHg		70%
	5.1 m/s		+21

28 April, Monday. day, 21°; night, 13°; clear

29 April, tue

	761 mmHg		68%
	5 m/s		+21

29 April, Tuesday. day, 22°; night, 13°; clear

30 April, wed

	761 mmHg		68%
	4.8 m/s		+21

30 April, Wednesday. day, 22°; night, 13°; clear

1 May, thu

	760 mmHg		69%
	4.8 m/s		+22

1 May, Thursday. day, 22°; night, 13°; clear

2 May, fri

	760 mmHg		69%
	4.8 m/s		+22

2 May, Friday. day, 22°; night, 14°; clear

3 May, sat

	761 mmHg		69%
	4.9 m/s		+21

3 May, Saturday. day, 22°; night, 14°; clear

4 May, sun

	761 mmHg		72%
	4.69 m/s		+20

4 May, Sunday. day, 22°; night, 14°; partly cloudy

5 May, mon

	761 mmHg		73%
	4.9 m/s		+20

5 May, Monday. day, 21°; night, 14°; rain

6 May, tue

	760 mmHg		72%
	5 m/s		+20

6 May, Tuesday. day, 21°; night, 14°; rain

7 May, wed

	760 mmHg		71%
	4.9 m/s		+20

7 May, Wednesday. day, 21°; night, 14°; clear

8 May, thu

	760 mmHg		72%
	4.8 m/s		+19

8 May, Thursday. day, 21°; night, 14°; clear

9 May, fri

	760 mmHg		74%
	4.6 m/s		+20

9 May, Friday. day, 20°; night, 14°; clear

10 May, sat

	761 mmHg		74%
	4.8 m/s		+21

10 May, Saturday. day, 20°; night, 14°; clear

11 May, sun

	761 mmHg		73%
	4.9 m/s		+21

11 May, Sunday. day, 21°; night, 14°; clear

12 May, mon

	761 mmHg		70%
	5 m/s		+21

12 May, Monday. day, 22°; night, 14°; clear

13 May, tue

	760 mmHg		70%
	4.9 m/s		+22

13 May, Tuesday. day, 22°; night, 14°; clear

14 May, wed

	760 mmHg		70%
	4.69 m/s		+21

14 May, Wednesday. day, 22°; night, 14°; clear

15 May, thu

	760 mmHg		72%
	4.69 m/s		+21

15 May, Thursday. day, 21°; night, 14°; partly cloudy

16 May, fri

	760 mmHg		73%
	4.8 m/s		+21

16 May, Friday. day, 21°; night, 14°; partly cloudy

17 May, sat

	760 mmHg		74%
	4.6 m/s		+21

17 May, Saturday. day, 21°; night, 14°; overcast

18 May, sun

	760 mmHg		75%
	4.6 m/s		+22

18 May, Sunday. day, 21°; night, 14°; overcast

19 May, mon

	760 mmHg		75%
	4.6 m/s		+22

19 May, Monday. day, 21°; night, 14°; clear

20 May, tue

	760 mmHg		73%
	4.69 m/s		+22

20 May, Tuesday. day, 21°; night, 14°; clear

21 May, wed

	760 mmHg		72%
	4.8 m/s		+21

21 May, Wednesday. day, 21°; night, 14°; partly cloudy

22 May, thu

	759 mmHg		73%
	4.69 m/s		+20

22 May, Thursday. day, 21°; night, 14°; partly cloudy

23 May, fri

	760 mmHg		74%
	4.8 m/s		+20

23 May, Friday. day, 20°; night, 14°; partly cloudy

24 May, sat

	760 mmHg		74%
	4.5 m/s		+20

24 May, Saturday. day, 21°; night, 14°; partly cloudy

25 May, sun

	760 mmHg		72%
	4.6 m/s		+20

25 May, Sunday. day, 20°; night, 14°; partly cloudy

26 May, mon

	760 mmHg		73%
	4.69 m/s		+21

26 May, Monday. day, 20°; night, 14°; partly cloudy

27 May, tue

	761 mmHg		74%
	4.5 m/s		+21

27 May, Tuesday. day, 21°; night, 14°; clear

28 May, wed

	760 mmHg		74%
	4.5 m/s		+21

28 May, Wednesday. day, 21°; night, 14°; clear

29 May, thu

	760 mmHg		74%
	4.5 m/s		+22

29 May, Thursday. day, 22°; night, 15°; partly cloudy

30 May, fri

	760 mmHg		73%
	4.6 m/s		+21

30 May, Friday. day, 22°; night, 15°; clear

31 May, sat

	760 mmHg		74%
	4.4 m/s		+21

31 May, Saturday. day, 22°; night, 15°; clear

Average data for 10 years

Fountain Valley May

17

sunny days

2

days with precipitation

2

cloudy days

17 sunny days; 2 days with precipitation; 2 cloudy days;

73

%

air humidity

2.6

m/s

WindSW

11

mm of precipitation

(4% of annual average)

+21

°C

Water temperature

air humidity 73%; 11 millimeters of precipitation (4% of annual average); Wind south-westerly 2.6 Meters per second; Water temperature +21°

Weather graphs for May

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

S

SW

S

S

S

SW

SW

SW

SW

S

S

S

S

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Los Angeles
Las Vegas
San Diego
Yuma
Santa Monica
Beverly Hills
Mexicali
Santa Barbara
Glendale

Cities with similar weather in May

Barcelona
Lisbon
Salou
Tivat
Sydney
Podgorica
Valletta
Porto
Genoa

The weather forecast for May 2025 is based on historical data from the past 10 years.

In May, the weather in Fountain Valley is typically warm. Average daily high temperature in May is about 21 degrees above zero. On average, Fountain Valley has 17 sunny, 10 partly cloudy, 2 rainy, and 2 cloudy days in May. The rains are usually light. May as well as June, July, August, and September is considered the most comfortable time to visit Fountain Valley.

Links

Help Terms of use Contact us

For partners

Advertisement Yandex.Weather API

Weather forecasts

Hourly forecast Detailed 10 day forecast Monthly forecast Weather map Magnetic storms

Download app

English

English
Русский

Source data: Yandex.Traffic, Roshydromet FSBI "CAO", NOAA, © OpenStreetMap

© 2017–2025 YANDEX LLC