Weather forecast for 10 days
Fountain Valley, CA

Weather forecast for the weekend

Sunday, May 11.

Partly Cloudy
5:52 am

7:44 pm
PDT
Partly Cloudy
79°F / 61°F
  • Wind: 11mph SSW
  • Humidity: 55%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 9
Today, on Sunday, May 11, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
The temperature variation is predicted to range from a maximum of a warm 78.8°F to a minimum of an enjoyable 60.8°F.
The peak temperature will be notably higher than the regular high for May of 68.7°F.
Sunrise was at 5:52 am and sunset will be at 7:44 pm; the daylight will last for 13h and 52min.

Frequently asked questions

What is the weather forecast for Fountain Valley for the next ten days?
In Fountain Valley, a combination of cloud-filled and clear weather is predicted for the next ten days.
How warm will it be in the next ten days?
The maximum temperature will vary between 66.2°F and 78.8°F, while the minimum temperature will be between 55.4°F and 60.8°F.
What will be the warmest and the coldest days?
Today is the warmest day, with a maximum temperature of 78.8°F. The coldest days will be Monday, Saturday and next Sunday, with a maximum of 66.2°F.

Long-term weather forecast

SunMay 11.
  • 79°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 55%
  • UV index: 9
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:52 am 7:44 pm PDT
MonMay 12.
  • 66°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph SSW
  • Humidity: 64%
  • UV index: 6
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:51 am 7:45 pm PDT
TueMay 13.
  • 68°F
  • 55°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 12mph SSW
  • Humidity: 57%
  • UV index: 10
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:50 am 7:45 pm PDT
WedMay 14.
  • 72°F
  • 57°F
Sunny
Sunny
  • Wind: 11mph SSW
  • Humidity: 57%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:49 am 7:46 pm PDT
ThuMay 15.
  • 70°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph S
  • Humidity: 63%
  • UV index: 10
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:49 am 7:47 pm PDT
FriMay 16.
  • 68°F
  • 59°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 10mph SSW
  • Humidity: 67%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:48 am 7:48 pm PDT
SatMay 17.
  • 66°F
  • 59°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 10mph S
  • Humidity: 67%
  • UV index: 8
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:47 am 7:48 pm PDT
SunMay 18.
  • 66°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSW
  • Humidity: 68%
  • UV index: 10
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:47 am 7:49 pm PDT
MonMay 19.
  • 72°F
  • 59°F
Sunny
Sunny
  • Wind: 9mph SSW
  • Humidity: 67%
  • UV index: 10
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:46 am 7:50 pm PDT
TueMay 20.
  • 73°F
  • 61°F
Sunny
Sunny
  • Wind: 9mph SSW
  • Humidity: 64%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:45 am 7:50 pm PDT
Conditions over the next ten days suggest that a combination of cloud-filled and dry and sunny weather is expected.
Rain is not predicted in Fountain Valley in the upcoming period.
Significant changes in temperature are expected throughout the forecast window. The maximum temperature will vary between 66.2°F and 78.8°F, while the nighttime low will be mostly stable, as the overnight low will fall between 55.4°F and 60.8°F.
Today is the warmest day, with a maximum temperature of 78.8°F; with a maximum temperature of 66.2°F, Monday, Saturday and next Sunday will be the coldest days in Fountain Valley.
Updated: May 11, 2025 @ 21:41:53 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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