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Today Hourly 7 days 30 days January
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January 2026 Weather | Rancho Cucamonga, California

Today 1/1
Rainy Weather
Day 63°
Night 52°
100
Fri 1/2
Rainy Weather
Day 66°
Night 55°
55
Sat 1/3
Rainy Weather
Day 61°
Night 54°
84
Sun 1/4
Rainy Weather
Day 61°
Night 52°
90
Mon 1/5
Cloudy Weather
Day 61°
Night 46°
30
Tue 1/6
Rainy Weather
Day 59°
Night 46°
80
Wed 1/7
Cloudy Weather
Day 61°
Night 48°
25
Thu 1/8
Cloudy Weather
Day 61°
Night 45°
0
Fri 1/9
Cloudy Weather
Day 61°
Night 45°
0
Sat 1/10
Cloudy Weather
Day 63°
Night 45°
0
Sun 1/11
Rainy Weather
Day 64°
Night 45°
75
Mon 1/12
Rainy Weather
Day 66°
Night 43°
70
Tue 1/13
Cloudy Weather
Day 68°
Night 46°
0
Wed 1/14
Cloudy Weather
Day 66°
Night 45°
10
Thu 1/15
Sunny Weather
Day 63°
Night 41°
5
Fri 1/16
Cloudy Weather
Day 63°
Night 41°
20
Sat 1/17
Cloudy Weather
Day 63°
Night 43°
20
Sun 1/18
Sunny Weather
Day 63°
Night 39°
5
Mon 1/19
Sunny Weather
Day 61°
Night 39°
20
Tue 1/20
Sunny Weather
Day 63°
Night 39°
20
Wed 1/21
Sunny Weather
Day 63°
Night 41°
5
Thu 1/22
Sunny Weather
Day 63°
Night 39°
5
Fri 1/23
Sunny Weather
Day 61°
Night 39°
20
Sat 1/24
Sunny Weather
Day 61°
Night 41°
20
Sun 1/25
Sunny Weather
Day 63°
Night 39°
5
Mon 1/26
Sunny Weather
Day 61°
Night 39°
5
Tue 1/27
Cloudy Weather
Day 63°
Night 41°
20
Wed 1/28
Cloudy Weather
Day 63°
Night 43°
20
Thu 1/29
Cloudy Weather
Day 68°
Night 45°
20
Fri 1/30
Cloudy Weather
Day 70°
Night 45°
25
Sat 1/31
Sunny Weather
Day 66°
Night 43°
10