Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Rain
57°F
14°C
| Humidity | 100% |
| Wind Speed | W 4 MPH |
| Barometer | 29.99 in (1015.58 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 9.00 mi |
| Last update | 24 Dec 09:05 PM PST |
Extended Forecast for
Ontario CA
Flood Watch December 24, 09:30pm until December 25, 06:00am
Wind Advisory December 24, 09:30pm until December 24, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 55 °F
Rain then
Chance
ShowersChristmas Day

High: 63 °F
Showers
LikelyThursday Night

Low: 53 °F
Showers
Friday

High: 59 °F
Showers
Friday Night
Low: 47 °F
Showers
Likely then
Chance
ShowersSaturday

High: 60 °F
Slight Chance
ShowersSaturday Night

Low: 44 °F
Mostly Clear
Sunday

High: 64 °F
Sunny
Detailed Forecast
Tonight
Rain before 10pm, then a chance of showers after 10pm. Low around 55. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Christmas Day
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 63. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers. Low around 53. Light west wind becoming southwest 5 to 10 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers. High near 59. South wind 5 to 10 mph becoming east in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 47. Northeast wind 5 to 10 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 49.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 71.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A chance of showers. Mostly cloudy, with a high near 69.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.64°W (Elev. 919 ft)
34.05°N 117.64°W (Elev. 919 ft)
12:42 pm PST Dec 24, 2025
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025



