Forecast for Ontario, CA | Forecast Periods: 14
Monday
Mar 16
2026
Ontario, CA
Updated: 11:05 AM PDT
93°F
Sunny
10 mph NE
Precipitation: 0%
Sunny, with a high near 93. Northeast wind around 10 mph.
Hourly Forecast
Extended Forecast
Tonight
Tue, Mar 17
64°F
Mostly Clear
0 mph W
Precipitation: 0%
Mostly clear, with a low around 64. West wind 0 to 5 mph.
Tuesday
Tue, Mar 17
99°F
Sunny
0 mph NW
Precipitation: 0%
Sunny, with a high near 99. Northwest wind 0 to 5 mph.
Tuesday Night
Wed, Mar 18
66°F
Clear
0 mph W
Precipitation: 0%
Clear, with a low around 66. West wind 0 to 10 mph, with gusts as high as 20 mph.
Wednesday
Wed, Mar 18
96°F
Sunny
0 mph SW
Precipitation: 0%
Sunny, with a high near 96. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Thu, Mar 19
66°F
Clear
0 mph W
Precipitation: 0%
Clear, with a low around 66.
Thursday
Thu, Mar 19
98°F
Sunny
0 mph W
Precipitation: 0%
Sunny, with a high near 98.
Thursday Night
Fri, Mar 20
66°F
Clear
0 mph NW
Precipitation: 0%
Clear, with a low around 66.
Friday
Fri, Mar 20
99°F
Sunny
0 mph E
Precipitation: 0%
Sunny, with a high near 99.
Friday Night
Sat, Mar 21
64°F
Clear
0 mph W
Precipitation: 0%
Clear, with a low around 64.
Saturday
Sat, Mar 21
93°F
Sunny
0 mph NE
Precipitation: 0%
Sunny, with a high near 93.
Saturday Night
Sun, Mar 22
62°F
Partly Cloudy then Patchy Fog
0 mph SW
Precipitation: 0%
Patchy fog after 5am. Partly cloudy, with a low around 62.
Sunday
Sun, Mar 22
88°F
Patchy Fog then Mostly Sunny
0 mph S
Precipitation: 0%
Patchy fog before 11am. Mostly sunny, with a high near 88.
Sunday Night
Mon, Mar 23
59°F
Partly Cloudy then Patchy Fog
0 mph SW
Precipitation: 0%
Patchy fog after 5am. Partly cloudy, with a low around 59.