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Today Hourly 7 days 30 days January
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January 2026 Weather | Ontario, California

Today 1/19
Night
Day 77°
Night 50°
0
Tue 1/20
Sunny Weather
Day 77°
Night 50°
0
Wed 1/21
Cloudy Weather
Day 72°
Night 52°
1
Thu 1/22
Cloudy Weather
Day 64°
Night 50°
21
Fri 1/23
Cloudy Weather
Day 64°
Night 52°
30
Sat 1/24
Sunny Weather
Day 72°
Night 46°
1
Sun 1/25
Sunny Weather
Day 75°
Night 45°
3
Mon 1/26
Cloudy Weather
Day 77°
Night 46°
0
Tue 1/27
Cloudy Weather
Day 79°
Night 48°
0
Wed 1/28
Cloudy Weather
Day 73°
Night 48°
0
Thu 1/29
Cloudy Weather
Day 73°
Night 50°
0
Fri 1/30
Sunny Weather
Day 75°
Night 52°
0
Sat 1/31
Sunny Weather
Day 75°
Night 52°
0