Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Partly Cloudy
54°F
12°C
| Humidity | 77% |
| Wind Speed | N 0 MPH |
| Barometer | 30.02 in (1016.59 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 06:53 AM PDT |
Extended Forecast for
3 Miles SSE Rancho Cucamonga CA
Today

High: 77 °F
Sunny
Tonight
Low: 53 °F
Mostly Clear
then Patchy
FogThursday
High: 74 °F
Patchy Fog
then Partly
SunnyThursday Night
Low: 51 °F
Mostly Clear
then Mostly
Clear and
WindyFriday
High: 75 °F
Sunny and
Breezy then
SunnyFriday Night

Low: 52 °F
Clear
Saturday

High: 83 °F
Sunny
Saturday Night

Low: 55 °F
Partly Cloudy
Sunday

High: 83 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 77. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 53. West wind 10 to 15 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 51. Windy, with a south wind 5 to 10 mph becoming north 20 to 30 mph. Winds could gust as high as 45 mph.
Friday
Sunny, with a high near 75. Breezy, with a north wind 20 to 25 mph becoming light in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 75.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
34.09°N 117.53°W (Elev. 1106 ft)
34.09°N 117.53°W (Elev. 1106 ft)
12:09 am PDT Apr 15, 2026
7am PDT Apr 15, 2026-6pm PDT Apr 21, 2026


