Wednesday
Patchy fog
High:
79°F
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Wednesday Night
Mostly clear
Overnight low:
56°F
Mostly clear, with a low around 56.
Thursday
Sunny
High:
82°F
Sunny, with a high near 82.
Thursday Night
Mostly clear
Overnight low:
58°F
Mostly clear, with a low around 58.
Friday
Mostly sunny
High:
85°F
Friday Night
Mostly clear
Overnight low:
60°F
Independence Day
Sunny
High:
88°F
Saturday Night
Mostly clear
Overnight low:
61°F
Sunday
Sunny
High:
89°F