Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Overcast
59°F
15°C
| Humidity | 77% |
| Wind Speed | W 3 MPH |
| Barometer | 29.86 in (1011.18 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 26 May 05:20 AM PDT |
Extended Forecast for
3 Miles ESE Upland CA
Overnight

Low: 54 °F
Slight Chance
RainTuesday
High: 69 °F
Slight Chance
Rain then
Mostly SunnyTuesday Night

Low: 52 °F
Slight Chance
RainWednesday
High: 66 °F
Slight Chance
Rain then
Partly SunnyWednesday Night

Low: 51 °F
Chance Rain
Thursday
High: 69 °F
Slight Chance
Rain then
Mostly SunnyThursday Night

Low: 52 °F
Partly Cloudy
Friday

High: 74 °F
Mostly Sunny
Friday Night

Low: 54 °F
Clear
Detailed Forecast
Overnight
A slight chance of rain. Cloudy, with a low around 54. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain after 11pm. Increasing clouds, with a low around 52. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of rain before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 66. East wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 51. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 74.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 89.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Upland CA
34.1°N 117.62°W (Elev. 1204 ft)
34.1°N 117.62°W (Elev. 1204 ft)
12:48 am PDT May 26, 2026
5am PDT May 26, 2026-6pm PDT Jun 1, 2026


