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

Today 10/4
Hot Day
Day 102°
Night 73°
0
Mon 10/5
Hot Day
Day 102°
Night 75°
0
Tue 10/6
Hot Day
Day 104°
Night 72°
1
Wed 10/7
Hot Day
Day 102°
Night 73°
1
Thu 10/8
Hot Day
Day 99°
Night 73°
3
Fri 10/9
Cloudy Weather
Day 97°
Night 66°
25
Sat 10/10
Cloudy Weather
Day 90°
Night 63°
11
Sun 10/11
Sunny Weather
Day 84°
Night 61°
1
Mon 10/12
Sunny Weather
Day 77°
Night 57°
0
Tue 10/13
Sunny Weather
Day 81°
Night 57°
1
Wed 10/14
Sunny Weather
Day 81°
Night 57°
0
Thu 10/15
Cloudy Weather
Day 88°
Night 59°
0
Fri 10/16
Sunny Weather
Day 88°
Night 61°
1
Sat 10/17
Sunny Weather
Day 81°
Night 54°
20
Sun 10/18
Cloudy Weather
Day 84°
Night 57°
25
Mon 10/19
Cloudy Weather
Day 84°
Night 59°
Tue 10/20
Cloudy Weather
Day 82°
Night 57°
Wed 10/21
Cloudy Weather
Day 82°
Night 57°
Thu 10/22
Cloudy Weather
Day 79°
Night 57°
Fri 10/23
Cloudy Weather
Day 75°
Night 55°
Sat 10/24
Sunny Weather
Day 79°
Night 55°
Sun 10/25
Sunny Weather
Day 81°
Night 55°
Mon 10/26
Sunny Weather
Day 82°
Night 55°
Tue 10/27
Cloudy Weather
Day 82°
Night 55°
Wed 10/28
Cloudy Weather
Day 81°
Night 55°
Thu 10/29
Cloudy Weather
Day 81°
Night 55°
Fri 10/30
Sunny Weather
Day 77°
Night 55°
Sat 10/31
Sunny Weather
Day 81°
Night 55°

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