Ontario Weather Forecast 15 Days, Weather in Ontario Today
Current weather conditions and 15 day weather forecast for Ontario, Illinois, 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
| 12 February 2026 Thursday -0.9 ° C / 30.4°F  Clear |
Feels Like : -3.2 ° C / 26.1°F Humidity : % 88 Pressure : 1026 mb Wind Speed : 6.5 kmph / 4 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Ontario, IL, USA
Weather Forecast for next 15 Days for Ontario 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, Illinois 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 February 2026 Thursday | Sunny |
-2.6 ° C (27.3°F) |
8.4 ° C (47.1°F) |
1.7 ° C (35°F) |
% 74 | 0% | 0.4 | Sunrise:06:59 AM Sunset: 05:32 PM |
Moonrise:04:02 AM Moonset: 12:33 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Partly Cloudy |
-0.2 ° C (31.6°F) |
13.2 ° C (55.8°F) |
5.2 ° C (41.4°F) |
% 78 | 0% | 0.5 | Sunrise:06:58 AM Sunset: 05:33 PM |
Moonrise:04:52 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Moderate rain |
0.3 ° C (32.5°F) |
8.3 ° C (46.9°F) |
4 ° C (39.3°F) |
% 89 | 84% | 0.4 | Sunrise:06:56 AM Sunset: 05:34 PM |
Moonrise:05:34 AM Moonset: 02:36 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Patchy rain nearby |
3.2 ° C (37.8°F) |
11.8 ° C (53.2°F) |
6.8 ° C (44.2°F) |
% 67 | 78% | 0.6 | Sunrise:06:55 AM Sunset: 05:35 PM |
Moonrise:06:09 AM Moonset: 03:44 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
1.2 ° C (34.1°F) |
12.9 ° C (55.2°F) |
5 ° C (41°F) |
% 70 | 0% | 0 | Sunrise:06:54 AM Sunset: 05:37 PM |
Moonrise:06:38 AM Moonset: 04:53 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Partly Cloudy |
6.3 ° C (43.3°F) |
13.1 ° C (55.6°F) |
10 ° C (49.9°F) |
% 75 | 0% | 3 | Sunrise:06:52 AM Sunset: 05:38 PM |
Moonrise:07:03 AM Moonset: 06:03 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Partly Cloudy |
5.2 ° C (41.3°F) |
11.8 ° C (53.2°F) |
10 ° C (50.1°F) |
% 64 | 0% | 4 | Sunrise:06:51 AM Sunset: 05:39 PM |
Moonrise:07:26 AM Moonset: 07:13 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
1.7 ° C (35.1°F) |
8.4 ° C (47.2°F) |
4.9 ° C (40.8°F) |
% 72 | 78% | 1 | Sunrise:06:49 AM Sunset: 05:40 PM |
Moonrise:07:48 AM Moonset: 08:23 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
2.3 ° C (36.1°F) |
6.5 ° C (43.7°F) |
4.5 ° C (40.2°F) |
% 89 | 86% | 1 | Sunrise:06:48 AM Sunset: 05:41 PM |
Moonrise:08:10 AM Moonset: 09:35 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday |  Moderate or heavy snow showers |
-1.3 ° C (29.6°F) |
1.8 ° C (35.3°F) |
0.7 ° C (33.3°F) |
% 91 | 88% | 1 | Sunrise:06:47 AM Sunset: 05:43 PM |
Moonrise:08:34 AM Moonset: 10:49 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday |  Light freezing rain |
-4.6 ° C (23.6°F) |
0.2 ° C (32.3°F) |
-1.7 ° C (28.9°F) |
% 91 | 70% | 1 | Sunrise:06:45 AM Sunset: 05:44 PM |
Moonrise:09:03 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday |  Fog |
-8.8 ° C (16.1°F) |
1.1 ° C (33.9°F) |
-3 ° C (26.7°F) |
% 97 | 0% | 1 | Sunrise:06:44 AM Sunset: 05:45 PM |
Moonrise:09:37 AM Moonset: 12:05 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday |  Overcast |
-3.2 ° C (26.2°F) |
0.6 ° C (33.1°F) |
-0.2 ° C (31.7°F) |
% 95 | 0% | 1 | Sunrise:06:42 AM Sunset: 05:46 PM |
Moonrise:10:20 AM Moonset: 01:22 AM Moon Phase ( First Quarter ) |
|
| 25 February 2026 Wednesday |  Heavy snow |
-5.4 ° C (22.3°F) |
-4.8 ° C (23.3°F) |
-4.8 ° C (23.4°F) |
% 93 | 80% | 1 | Sunrise:06:41 AM Sunset: 05:47 PM |
Moonrise:11:15 AM Moonset: 02:34 AM Moon Phase ( Waxing Gibbous ) |
|
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