Wind
WSW
12 mph
G 21 mph
Local Forecast
Ontario, CA Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for Ontario, CA.
Get Alerts No Active Alerts
Hour-by-Hour Forecast
Monday 6:00 PM PDTMonday 6:00 PM
°F
°C
73°F
Mostly Clear
- 77° / 57° High / Low
- 73° Feels Like
- 0% Chance of Rain
UV Index
4
Moderate
Humidity
56%
Dew 57°F
Sun
5:42 AM · 7:51 PM
Rise · Set
Source: Ontario, CA. Slider scrubs the next 12 hours.
5-Day Outlook
Through Friday
Today
77° 57°
Slight Chance of Rain
Overnight: Rain
Detailed forecast
Today
Patchy fog before 11am. Sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Night
Patchy drizzle after 2am. Mostly cloudy, with a low around 56. Southwest wind 0 to 10 mph, with gusts as high as 25 mph.
Tuesday
71° 55°
Rain
Overnight: Forecast Missing
Detailed forecast
Tuesday
Patchy drizzle before 11am. Partly sunny, with a high near 70. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.
Night
Patchy drizzle after 2am. Mostly cloudy, with a low around 55. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
71° 55°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Wednesday
Patchy drizzle before 11am. Partly sunny, with a high near 70. South wind 5 to 15 mph, with gusts as high as 25 mph.
Night
Mostly cloudy, with a low around 54.
Thursday
71° 53°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Thursday
Mostly sunny, with a high near 70.
Night
Mostly clear, with a low around 54.
Friday
75° 55°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Friday
Sunny, with a high near 76.
Night
Mostly clear, with a low around 55.
Ontario, CA Weather Analysis Tools
