Ontario, CA Weather
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Detailed Forecast
Tonight
Patchy drizzle after 5am. Mostly cloudy, with a low around 55. West wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Patchy drizzle before 11am. Mostly sunny, with a high near 76. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Patchy fog between 11pm and 5am, then patchy drizzle and patchy fog. Mostly cloudy, with a low around 56. West wind 0 to 15 mph, with gusts as high as 25 mph.
Friday
Patchy drizzle and patchy fog before 11am. Mostly sunny, with a high near 77. Southwest wind 0 to 10 mph.
Friday Night
Patchy fog after 11pm. Partly cloudy, with a low around 55. Southwest wind 0 to 10 mph.
Saturday
Patchy fog before 11am. Sunny, with a high near 77.
Saturday Night
Patchy fog after 11pm. Partly cloudy, with a low around 54.
Sunday
Patchy fog before 11am. Sunny, with a high near 77.
Sunday Night
Patchy fog between 11pm and 5am, then patchy drizzle and patchy fog. Partly cloudy, with a low around 53.
Monday
Patchy drizzle and patchy fog before 11am. Mostly sunny, with a high near 72.
Monday Night
Patchy drizzle after 5am. Mostly cloudy, with a low around 53.
Tuesday
Patchy drizzle before 11am. Mostly sunny, with a high near 74.
Tuesday Night
Patchy drizzle after 5am. Mostly cloudy, with a low around 53.
Wednesday
Patchy drizzle before 11am. Mostly sunny, with a high near 74.
Patchy drizzle after 5am. Mostly cloudy, with a low around 55. West wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Patchy drizzle before 11am. Mostly sunny, with a high near 76. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Patchy fog between 11pm and 5am, then patchy drizzle and patchy fog. Mostly cloudy, with a low around 56. West wind 0 to 15 mph, with gusts as high as 25 mph.
Friday
Patchy drizzle and patchy fog before 11am. Mostly sunny, with a high near 77. Southwest wind 0 to 10 mph.
Friday Night
Patchy fog after 11pm. Partly cloudy, with a low around 55. Southwest wind 0 to 10 mph.
Saturday
Patchy fog before 11am. Sunny, with a high near 77.
Saturday Night
Patchy fog after 11pm. Partly cloudy, with a low around 54.
Sunday
Patchy fog before 11am. Sunny, with a high near 77.
Sunday Night
Patchy fog between 11pm and 5am, then patchy drizzle and patchy fog. Partly cloudy, with a low around 53.
Monday
Patchy drizzle and patchy fog before 11am. Mostly sunny, with a high near 72.
Monday Night
Patchy drizzle after 5am. Mostly cloudy, with a low around 53.
Tuesday
Patchy drizzle before 11am. Mostly sunny, with a high near 74.
Tuesday Night
Patchy drizzle after 5am. Mostly cloudy, with a low around 53.
Wednesday
Patchy drizzle before 11am. Mostly sunny, with a high near 74.