Weather forecast for 10 days
Fullerton, CA

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:39 am

8:07 pm
PDT
Partly Cloudy
75°F / 61°F
  • Wind: 11mph SSW
  • Humidity: 48%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 10
On Saturday, in Fullerton, sun and clouds will share the sky, creating a partly cloudy day.
The highest temperature will be a temperate 75.2°F, while the lowest expected temperature is a comfortable 60.8°F.
The high is predicted to coincide with June's normal of 76.6°F.
Sunrise will be at 5:39 am and sunset at 8:07 pm; the daylight will last for 14h and 28min.

Sunday, Jun 22.

Sunny
5:40 am

8:07 pm
PDT
Sunny
79°F / 61°F
  • Wind: 9mph SSW
  • Humidity: 46%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 10
On Sunday, June 22, the outlook remains bright and sunny.
The temperature is forecasted to vary between a maximum of a warm 78.8°F and a minimum of a comfortable 60.8°F.
The temperature will be in line with June's average maximum of 76.6°F.
Sunrise will be at 5:40 am and sunset at 8:07 pm; the daylight will last for 14h and 28min.

Frequently asked questions

What is the weather forecast for Fullerton for Saturday?
On Saturday, changing cloud patterns will allow for periods of sunshine.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 75.2°F, while the minimum temperature will be 60.8°F.
What is the weather forecast for Fullerton for Sunday?
On Sunday, in Fullerton, sunshine is expected with little to no cloud cover.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 78.8°F, while the lowest temperature will be 60.8°F.
What is the weather forecast for Fullerton for the next ten days?
In Fullerton, a combination of dull and dry and sunny weather is forecasted for the next ten days.
How hot will it be in the next ten days?
The maximum temperature will vary between 75.2°F and 84.2°F, while the minimum temperature will be between 60.8°F and 64.4°F.
What will be the hottest and the coldest days?
With the maximum temperature of 84.2°F, next Friday will be the hottest day. With a maximum temperature of 75.2°F, Saturday will be the coldest day.

Long-term weather forecast

WedJun 18.
  • min.
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 57%
  • UV index: 0
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:39 am 8:06 pm PDT
ThuJun 19.
  • 81°F
  • 63°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 11mph SSW
  • Humidity: 52%
  • UV index: 10
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:39 am 8:06 pm PDT
FriJun 20.
  • 79°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SSW
  • Humidity: 51%
  • UV index: 10
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:39 am 8:07 pm PDT
SatJun 21.
  • 75°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 48%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:39 am 8:07 pm PDT
SunJun 22.
  • 79°F
  • 61°F
Sunny
Sunny
  • Wind: 9mph SSW
  • Humidity: 46%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:40 am 8:07 pm PDT
MonJun 23.
  • 79°F
  • 61°F
Sunny
Sunny
  • Wind: 10mph SSW
  • Humidity: 47%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:40 am 8:07 pm PDT
TueJun 24.
  • 79°F
  • 61°F
Sunny
Sunny
  • Wind: 10mph SSW
  • Humidity: 49%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:40 am 8:07 pm PDT
WedJun 25.
  • 81°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 47%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:41 am 8:07 pm PDT
ThuJun 26.
  • 82°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 47%
  • UV index: 10
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:41 am 8:08 pm PDT
FriJun 27.
  • 84°F
  • 64°F
Sunny
Sunny
  • Wind: 9mph SW
  • Humidity: 46%
  • UV index: 10
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:41 am 8:08 pm PDT
Conditions over the next ten days suggest that a combination of gloomy and sun-filled weather is forecasted.
Rainfall is not anticipated in Fullerton in the upcoming period.
In the upcoming days, the highest temperature will range between 75.2°F and 84.2°F, while the lowest nightly temperature differences will be negligible, as the lowest temperatures will remain in the range of 60.8°F to 64.4°F.
The hottest day will be next Friday, with a maximum of 84.2°F; Saturday will be the coldest day, with the highest temperature of 75.2°F.
Updated: Jun 19, 2025 @ 01:11:27 UTC
Published by: Weather U.S. | About Us
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