Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Overcast
61°F
16°C
| Humidity | 77% |
| Wind Speed | NNE 6 MPH |
| Barometer | 29.95 in (1014.22 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 24 Dec 02:35 AM PST |
Extended Forecast for
2 Miles SW Rancho Cucamonga CA
Flood Watch until December 24, 10:00pm
Wind Advisory December 24, 03:00am until December 24, 10:00pm
NOW until 10:00pm Wed
Flood Watch
Overnight
Low: 54 °F
Showers
Wednesday
High: 63 °F
Heavy Rain
Wednesday Night
Low: 51 °F
Rain
Christmas Day
High: 61 °F
Showers
LikelyThursday Night
Low: 51 °F
Heavy Rain
Friday
High: 59 °F
Showers
Friday Night
Low: 46 °F
Showers
LikelySaturday
High: 60 °F
Chance
Showers
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Low around 54. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 63. South wind 15 to 20 mph becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Wednesday Night
Rain before 10pm, then showers after 10pm. Low around 51. South wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Christmas Day
Showers likely. Cloudy, with a high near 61. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers. The rain could be heavy at times. Low around 51. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers. High near 59. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 67.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Partly sunny, with a high near 71.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Rancho Cucamonga CA
34.1°N 117.59°W (Elev. 1224 ft)
34.1°N 117.59°W (Elev. 1224 ft)
2:23 am PST Dec 24, 2025
2am PST Dec 24, 2025-6pm PST Dec 30, 2025
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