Weather forecast for 10 days
Fontana, CA

Weather forecast for the weekend

Saturday, Apr 19.

Sunny
6:11 am

7:25 pm
PDT
Sunny
77°F / 50°F
  • Wind: 13mph WSW
  • Humidity: 18%
  • Precip. probability: 0%
  • Precipitation: 0"
  • UV index: 8
On Saturday, April 19, clear and sunny conditions are expected.
Temperatures are set to span a considerable range, with a high of a temperate 77°F and a low of a cool 50°F.
Expected temperatures are trending a couple of degrees higher than April's climate norm of 72°F.
Sunrise was at 6:11 am and sunset will be at 7:25 pm; the daylight will last for 13h and 14min.

Sunday, Apr 20.

Mostly Sunny
6:10 am

7:26 pm
PDT
Mostly Sunny
81°F / 52°F
  • Wind: 11mph SW
  • Humidity: 33%
  • Precip. probability: 0%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, on Sunday, April 20, blue skies and warm sunshine will define the conditions.
A daytime temperature reaching up to a moderately hot 80.6°F will sharply contrast with a nighttime low of a cool 51.8°F.
The temperature of 80.6°F reflects May's climate better than April's.
Sunrise will be at 6:10 am and sunset at 7:26 pm; tomorrow's daylight will last for 13h and 16min.

Frequently asked questions

What is the weather forecast for Fontana for tomorrow?
Tomorrow, mainly sunny conditions will dominate the day.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 51.8°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in April. The lowest temperature tomorrow will be in line with the average low temperature.
When are sunrise and sunset tomorrow?
On Sunday, in Fontana, sunrise will be at 6:10 am and sunset at 7:26 pm (PDT).
How long will the day be tomorrow?
In Fontana, tomorrow, there will be 13h and 16min of daylight.
What is the weather forecast for Fontana for the next ten days?
In Fontana, a combination of dry and sunny and dull weather is expected for the next ten days.
How warm will it be in the next ten days in Fontana?
The maximum temperature will vary between 69.8°F and 80.6°F, while the minimum temperature will range between 50°F and 53.6°F.
What will be the warmest and the coldest days?
With a maximum temperature of 80.6°F, Sunday and next Monday will be the warmest days. With a maximum temperature of 69.8°F, next Saturday will be the coldest day.

Long-term weather forecast

SatApr 19.
  • 77°F
  • 50°F
Sunny
Sunny
  • Wind: 13mph WSW
  • Humidity: 18%
  • UV index: 8
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:11 am 7:25 pm PDT
SunApr 20.
  • 81°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SW
  • Humidity: 33%
  • UV index: 9
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:10 am 7:26 pm PDT
MonApr 21.
  • 79°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 39%
  • UV index: 9
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:09 am 7:27 pm PDT
TueApr 22.
  • 77°F
  • 52°F
Sunny
Sunny
  • Wind: 11mph SW
  • Humidity: 50%
  • UV index: 9
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:08 am 7:28 pm PDT
WedApr 23.
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 55%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:06 am 7:28 pm PDT
ThuApr 24.
  • 73°F
  • 50°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph SW
  • Humidity: 54%
  • UV index: 7
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:05 am 7:29 pm PDT
FriApr 25.
  • 72°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SW
  • Humidity: 54%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:04 am 7:30 pm PDT
SatApr 26.
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 55%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:03 am 7:31 pm PDT
SunApr 27.
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Humidity: 47%
  • UV index: 9
  • Precip. probability: 2%
  • Precipitation: 0"
  • 6:02 am 7:32 pm PDT
MonApr 28.
  • 81°F
  • 54°F
Sunny
Sunny
  • Wind: 11mph WSW
  • Humidity: 31%
  • UV index: 9
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:01 am 7:32 pm PDT
Conditions over the next ten days suggest that a combination of sun-filled and gloomy weather is anticipated.
Rain is not forecasted in Fontana in the upcoming days.
In the coming days, the highest temperature will vary between 69.8°F and 80.6°F, while fluctuations in the night’s lowest temperature will be minimal, as the lowest temperatures will remain in the range of 50°F to 53.6°F.
The warmest days will be Sunday and next Monday, with a maximum of 80.6°F; next Saturday will be the coldest day, with the highest temperature of 69.8°F.
Updated: Apr 19, 2025 @ 21:34:17 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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