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Today Hourly 7 days 30 days May
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May 2025 Weather | Ontario, California
Today 5/1
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 70°
Night 54°
40
Fri 5/2
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 55°
2
Sat 5/3
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 68°
Night 54°
7
Sun 5/4
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 63°
Night 54°
88
Mon 5/5
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 64°
Night 54°
25
Tue 5/6
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 70°
Night 54°
25
Wed 5/7
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 77°
Night 55°
4
Thu 5/8
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 59°
1
Fri 5/9
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 84°
Night 57°
1
Sat 5/10
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 84°
Night 57°
0
Sun 5/11
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 79°
Night 54°
0
Mon 5/12
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 55°
0
Tue 5/13
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 73°
Night 54°
0
Wed 5/14
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 54°
20
Thu 5/15
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 50°
20
Fri 5/16
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 50°
20
Sat 5/17
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 50°
25
Sun 5/18
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 54°
20
Mon 5/19
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 59°
20
Tue 5/20
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 84°
Night 59°
20
Wed 5/21
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 59°
10
Thu 5/22
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 59°
5
Fri 5/23
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 57°
5
Sat 5/24
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 57°
20
Sun 5/25
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 59°
20
Mon 5/26
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 84°
Night 59°
5
Tue 5/27
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 84°
Night 59°
5
Wed 5/28
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 84°
Night 59°
20
Thu 5/29
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 84°
Night 59°
5
Fri 5/30
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 57°
5
Sat 5/31
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 79°
Night 52°
25