Weather forecast for 10 days
Rancho Cucamonga, CA

Weather forecast for the weekend

Saturday, Apr 19.

Sunny
6:12 am

7:26 pm
PDT
Sunny
77°F / 52°F
  • Wind: 13mph WSW
  • Humidity: 38%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 9
On Saturday, in Rancho Cucamonga, sun-filled conditions are expected to persist.
Temperature is predicted to swing from a high of a moderately hot 77°F to a low of a crisp 51.8°F.
The day’s top temperature is expected to be moderately higher than the typical April high of 72.9°F.
Sunrise will be at 6:12 am and sunset at 7:26 pm; tomorrow's daylight will last for 13h and 14min.

Sunday, Apr 20.

Mostly Sunny
6:11 am

7:27 pm
PDT
Mostly Sunny
79°F / 54°F
  • Wind: 12mph SW
  • Humidity: 37%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Rancho Cucamonga, expect plenty of sunshine and only a few scattered clouds.
The temperature will vary between a maximum of a temperate 78.8°F and a minimum of a cool 53.6°F.
Forecast models suggest warmer conditions, with a peak that mirrors May's climate average rather than April's.
Sunrise will be at 6:11 am and sunset at 7:27 pm; the daylight will last for 13h and 16min.

Frequently asked questions

What is the weather forecast for Rancho Cucamonga for Sunday?
On Sunday, a glowing sky and minimal clouds are expected.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 78.8°F, while the minimum temperature will be 53.6°F.
What is the weather forecast for Rancho Cucamonga for the next ten days?
In Rancho Cucamonga, a combination of overcast and bright weather is predicted for the next ten days.
How warm will it be in the next ten days?
The maximum temperature will range between 68°F and 78.8°F, while the minimum temperature will vary between 48.2°F and 53.6°F.
What will be the warmest and the coldest days?
Sunday will be the warmest day, with a maximum temperature of 78.8°F. The coldest days will be next Friday through next Sunday, with a maximum of 68°F.

Long-term weather forecast

FriApr 18.
  • min.
  • 48°F
Clouds Early / Clearing Late
Clouds Early / Clearing Late
  • Wind: 5mph WNW
  • Humidity: 78%
  • UV index: 0
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:13 am 7:25 pm PDT
SatApr 19.
  • 77°F
  • 52°F
Sunny
Sunny
  • Wind: 13mph WSW
  • Humidity: 38%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:12 am 7:26 pm PDT
SunApr 20.
  • 79°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SW
  • Humidity: 37%
  • UV index: 9
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:11 am 7:27 pm PDT
MonApr 21.
  • 77°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Humidity: 43%
  • UV index: 9
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:09 am 7:28 pm PDT
TueApr 22.
  • 75°F
  • 54°F
Sunny
Sunny
  • Wind: 12mph SW
  • Humidity: 52%
  • UV index: 9
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:08 am 7:28 pm PDT
WedApr 23.
  • 72°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Humidity: 58%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:07 am 7:29 pm PDT
ThuApr 24.
  • 70°F
  • 50°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 12mph SW
  • Humidity: 57%
  • UV index: 6
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:06 am 7:30 pm PDT
FriApr 25.
  • 68°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Humidity: 56%
  • UV index: 9
  • Precip. probability: 14%
  • Precipitation: 0"
  • 6:05 am 7:31 pm PDT
SatApr 26.
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Humidity: 56%
  • UV index: 9
  • Precip. probability: 15%
  • Precipitation: 0"
  • 6:04 am 7:31 pm PDT
SunApr 27.
  • 68°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Humidity: 54%
  • UV index: 9
  • Precip. probability: 11%
  • Precipitation: 0"
  • 6:03 am 7:32 pm PDT
Throughout the next ten days, a combination of cloudy and clear weather is predicted.
Rain is not expected in Rancho Cucamonga in the upcoming period.
In the upcoming period, the maximum temperature will range between 68°F and 78.8°F, while fluctuations in the night’s lowest temperature will be minimal, as the overnight low will fall between 48.2°F and 53.6°F.
Expect the warmest day on Sunday, with temperatures peaking at 78.8°F; with a maximum temperature of 68°F, next Friday through next Sunday will be the coldest days.
Updated: Apr 19, 2025 @ 03:47:03 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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