10-day forecast

Today Windy 1% 75° 90° Today · UV 6 · Wind 21 mph · ☀ 6:57 AM – 6:16 PM
Sat 17 Partly cloudy 2% 68° 86° Saturday, October 17 · UV 6 · Wind 19 mph · ☀ 6:58 AM – 6:15 PM
Sun 18 Mostly clear 2% 67° 83° Sunday, October 18 · UV 6 · Wind 7 mph · ☀ 6:59 AM – 6:14 PM
Mon 19 Clear 0% 65° 79° Monday, October 19 · UV 6 · Wind 11 mph · ☀ 6:59 AM – 6:13 PM
Tue 20 Mostly clear 0% 60° 71° Tuesday, October 20 · UV 5 · Wind 11 mph · ☀ 7:00 AM – 6:11 PM
Wed 21 Showers 50% 58° 63° Wednesday, October 21 · UV 3 · Wind 11 mph · ☀ 7:01 AM – 6:10 PM
Thu 22 Drizzle 50% 57° 64° Thursday, October 22 · UV 4 · Wind 5 mph · ☀ 7:02 AM – 6:09 PM
Fri 23 Mostly clear 15% 55° 66° Friday, October 23 · UV 4 · Wind 7 mph · ☀ 7:03 AM – 6:08 PM
Sat 24 Partly cloudy 15% 55° 68° Saturday, October 24 · UV 4 · Wind 19 mph · ☀ 7:04 AM – 6:07 PM
Sun 25 Mostly clear 0% 56° 68° Sunday, October 25 · UV 4 · Wind 14 mph · ☀ 7:05 AM – 6:06 PM

14-day outlook & extended hourly ★ Premium

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About Rancho Cucamonga weather

Rancho Cucamonga is in San Bernardino County, California, United States at 34.11°, -117.59°. Right now it’s 86° and mostly clear; today’s high is 90° with a 1% chance of rain.

California encompasses an extraordinary range of climates, from the Mediterranean coast to alpine peaks, scorching deserts, and temperate rainforests. The state's Central Valley is one of the most productive agricultural regions in the world, benefiting from warm, dry summers and mild, wet winters. Death Valley holds the record for the highest reliably recorded air temperature on Earth at 134 degrees Fahrenheit.