Ontario International Airport Weather Forecast 15 Days, Weather in ONT Today
Current weather conditions and 15 day weather forecast for Ontario International Airport, California, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Ontario International Airport
| 29 March 2026 Sunday 17.2 ° C / 63°F  Partly cloudy |
Feels Like : 17.2 ° C / 63°F Humidity : % 43 Pressure : 1012 mb Wind Speed : 3.6 kmph / 2.2 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Ontario International Airport, CA, USA
Weather Forecast for next 15 Days for Ontario International Airport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Ontario International Airport, California state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 29 March 2026 Sunday |  Sunny |
16.6 ° C (61.9°F) |
37.2 ° C (99°F) |
24.6 ° C (76.2°F) |
% 33 | 0% | 1.8 | Sunrise:06:41 AM Sunset: 07:09 PM |
Moonrise:04:07 PM Moonset: 04:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Cloudy |
14.5 ° C (58.1°F) |
23.5 ° C (74.3°F) |
18.6 ° C (65.5°F) |
% 46 | 0% | 1.3 | Sunrise:06:40 AM Sunset: 07:10 PM |
Moonrise:05:10 PM Moonset: 05:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Overcast |
12.7 ° C (54.9°F) |
18.8 ° C (65.8°F) |
15.6 ° C (60.1°F) |
% 78 | 0% | 1.8 | Sunrise:06:39 AM Sunset: 07:11 PM |
Moonrise:06:11 PM Moonset: 05:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Patchy rain nearby |
15.5 ° C (59.9°F) |
21.8 ° C (71.3°F) |
18 ° C (64.4°F) |
% 64 | 86% | 1.8 | Sunrise:06:37 AM Sunset: 07:12 PM |
Moonrise:07:11 PM Moonset: 06:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Partly Cloudy |
14.4 ° C (58°F) |
22 ° C (71.7°F) |
16.6 ° C (61.9°F) |
% 67 | 0% | 0 | Sunrise:06:36 AM Sunset: 07:12 PM |
Moonrise:08:10 PM Moonset: 06:40 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Sunny |
15.2 ° C (59.3°F) |
26.3 ° C (79.4°F) |
19.6 ° C (67.2°F) |
% 49 | 0% | 5 | Sunrise:06:35 AM Sunset: 07:13 PM |
Moonrise:09:10 PM Moonset: 07:08 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
15 ° C (59°F) |
27.5 ° C (81.5°F) |
20.6 ° C (69°F) |
% 38 | 0% | 6 | Sunrise:06:33 AM Sunset: 07:14 PM |
Moonrise:10:10 PM Moonset: 07:38 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
15.3 ° C (59.5°F) |
25.2 ° C (77.4°F) |
19.4 ° C (66.9°F) |
% 49 | 0% | 5 | Sunrise:06:32 AM Sunset: 07:15 PM |
Moonrise:11:10 PM Moonset: 08:12 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Sunny |
14.1 ° C (57.4°F) |
25.2 ° C (77.4°F) |
19.1 ° C (66.4°F) |
% 52 | 0% | 5 | Sunrise:06:31 AM Sunset: 07:15 PM |
Moonrise:No moonrise Moonset: 08:52 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Partly Cloudy |
15.2 ° C (59.4°F) |
26.1 ° C (79°F) |
20.3 ° C (68.5°F) |
% 45 | 0% | 6 | Sunrise:06:29 AM Sunset: 07:16 PM |
Moonrise:12:08 AM Moonset: 09:38 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Sunny |
15.6 ° C (60.1°F) |
26 ° C (78.8°F) |
20.3 ° C (68.6°F) |
% 50 | 0% | 6 | Sunrise:06:28 AM Sunset: 07:17 PM |
Moonrise:01:01 AM Moonset: 10:29 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Sunny |
16 ° C (60.8°F) |
25 ° C (77°F) |
19.4 ° C (67°F) |
% 53 | 0% | 5 | Sunrise:06:27 AM Sunset: 07:18 PM |
Moonrise:01:49 AM Moonset: 11:26 AM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Sunny |
13.4 ° C (56.2°F) |
20.7 ° C (69.3°F) |
15.8 ° C (60.4°F) |
% 57 | 0% | 5 | Sunrise:06:25 AM Sunset: 07:18 PM |
Moonrise:02:31 AM Moonset: 12:26 PM Moon Phase ( Last Quarter ) |
|
| 11 April 2026 Saturday | Sunny |
12.2 ° C (54°F) |
21.4 ° C (70.6°F) |
16.1 ° C (61°F) |
% 56 | 0% | 5 | Sunrise:06:24 AM Sunset: 07:19 PM |
Moonrise:03:08 AM Moonset: 01:28 PM Moon Phase ( Waning Crescent ) |
|
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