❮
Today Hourly 7 days 30 days April
❯

April 2026 Weather | Rancho Cucamonga, California

Today 4/15
Cloudy Night
Day 73°
Night 52°
1
Thu 4/16
Cloudy Weather
Day 73°
Night 52°
1
Fri 4/17
Sunny Weather
Day 81°
Night 54°
1
Sat 4/18
Cloudy Weather
Day 84°
Night 57°
1
Sun 4/19
Cloudy Weather
Day 81°
Night 54°
1
Mon 4/20
Cloudy Weather
Day 75°
Night 54°
30
Tue 4/21
Cloudy Weather
Day 72°
Night 54°
30
Wed 4/22
Cloudy Weather
Day 72°
Night 54°
1
Thu 4/23
Cloudy Weather
Day 73°
Night 55°
55
Fri 4/24
Sunny Weather
Day 70°
Night 55°
1
Sat 4/25
Sunny Weather
Day 75°
Night 55°
1
Sun 4/26
Cloudy Weather
Day 75°
Night 55°
1
Mon 4/27
Rainy Weather
Day 73°
Night 55°
55
Tue 4/28
Cloudy Weather
Day 77°
Night 54°
25
Wed 4/29
Sunny Weather
Day 73°
Night 48°
5
Thu 4/30
Sunny Weather
Day 81°
Night 55°
5

Explore U.S. Weather Trends

❄️ Coldest Cities in the U.S. – Live Temperature Rankings 🔥 Hottest Cities Today – Real-Time Heat Observations ⚠️ Active Weather Alerts – Warnings, Watches & Advisories 🌪️ Windiest Cities – Highest Sustained Wind Speeds 🌫️ Worst Air Quality – Cities with the Highest AQI 🍃 Best Air Quality – Cities with the Lowest AQI