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Today Hourly 7 days 30 days August
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August 2025 Weather | Ontario, California
Today 8/1
NightNighttime, with dark skies and stars or a moon visible.
Day 88°
Night 61°
0
Sat 8/2
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 93°
Night 64°
0
Sun 8/3
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 64°
0
Mon 8/4
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 93°
Night 64°
0
Tue 8/5
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 66°
0
Wed 8/6
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 97°
Night 66°
0
Thu 8/7
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 100°
Night 68°
0
Fri 8/8
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 97°
Night 64°
0
Sat 8/9
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 90°
Night 63°
0
Sun 8/10
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 91°
Night 63°
0
Mon 8/11
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 91°
Night 64°
0
Tue 8/12
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 63°
0
Wed 8/13
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 91°
Night 66°
0
Thu 8/14
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 63°
5
Fri 8/15
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 90°
Night 63°
5
Sat 8/16
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 64°
20
Sun 8/17
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 64°
20
Mon 8/18
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 66°
20
Tue 8/19
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 64°
5
Wed 8/20
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 64°
20
Thu 8/21
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 64°
10
Fri 8/22
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 93°
Night 66°
25
Sat 8/23
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 95°
Night 66°
10
Sun 8/24
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 93°
Night 64°
20
Mon 8/25
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 93°
Night 66°
10
Tue 8/26
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 93°
Night 66°
40
Wed 8/27
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 91°
Night 64°
10
Thu 8/28
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 66°
20
Fri 8/29
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 66°
20
Sat 8/30
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 64°
5
Sun 8/31
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 90°
Night 61°
20