Ontario Weather Forecast 15 Days, Weather in Ontario Today
Current weather conditions and 15 day weather forecast for Ontario, Oregon, 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
| 28 December 2025 Sunday 1.1 ° C / 34°F  Clear |
Feels Like : -2 ° C / 28.4°F Humidity : % 59 Pressure : 1028 mb Wind Speed : 10.1 kmph / 6.3 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15 day weather forecast for Ontario, OR, 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, Oregon 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 December 2025 Saturday | Sunny |
0.2 ° C (32.4°F) |
4.6 ° C (40.3°F) |
2.4 ° C (36.4°F) |
% 70 | 0% | 0.2 | Sunrise:08:22 AM Sunset: 05:17 PM |
Moonrise:12:25 PM Moonset: 12:24 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-3.4 ° C (25.9°F) |
4.4 ° C (39.9°F) |
0.3 ° C (32.5°F) |
% 68 | 0% | 0.2 | Sunrise:08:22 AM Sunset: 05:18 PM |
Moonrise:12:46 PM Moonset: 01:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-4.1 ° C (24.6°F) |
2.7 ° C (36.9°F) |
-1.4 ° C (29.4°F) |
% 66 | 0% | 0.2 | Sunrise:08:22 AM Sunset: 05:18 PM |
Moonrise:01:11 PM Moonset: 02:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-3.6 ° C (25.5°F) |
5.2 ° C (41.4°F) |
0 ° C (32.1°F) |
% 61 | 0% | 0.2 | Sunrise:08:23 AM Sunset: 05:19 PM |
Moonrise:01:42 PM Moonset: 04:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-0.8 ° C (30.5°F) |
5.8 ° C (42.5°F) |
1.6 ° C (34.9°F) |
% 58 | 0% | 0.2 | Sunrise:08:23 AM Sunset: 05:20 PM |
Moonrise:02:22 PM Moonset: 05:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
-0.2 ° C (31.6°F) |
5.3 ° C (41.5°F) |
1.5 ° C (34.6°F) |
% 65 | 0% | 0 | Sunrise:08:23 AM Sunset: 05:21 PM |
Moonrise:03:17 PM Moonset: 06:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Cloudy |
1 ° C (33.8°F) |
4.1 ° C (39.3°F) |
2.8 ° C (37°F) |
% 75 | 0% | 1 | Sunrise:08:23 AM Sunset: 05:22 PM |
Moonrise:04:24 PM Moonset: 08:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-0.8 ° C (30.5°F) |
5.4 ° C (41.6°F) |
1.8 ° C (35.2°F) |
% 68 | 0% | 2 | Sunrise:08:23 AM Sunset: 05:23 PM |
Moonrise:05:43 PM Moonset: 09:04 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Patchy rain nearby |
-1.1 ° C (30.1°F) |
5.3 ° C (41.6°F) |
2.1 ° C (35.8°F) |
% 71 | 74% | 1 | Sunrise:08:23 AM Sunset: 05:24 PM |
Moonrise:07:05 PM Moonset: 09:46 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Patchy rain nearby |
2.4 ° C (36.3°F) |
3.5 ° C (38.3°F) |
2.9 ° C (37.2°F) |
% 95 | 81% | 1 | Sunrise:08:23 AM Sunset: 05:25 PM |
Moonrise:08:24 PM Moonset: 10:17 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday |  Partly Cloudy |
1.3 ° C (34.4°F) |
7.9 ° C (46.3°F) |
4.4 ° C (40°F) |
% 68 | 0% | 2 | Sunrise:08:22 AM Sunset: 05:26 PM |
Moonrise:09:39 PM Moonset: 10:41 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Patchy rain nearby |
0.2 ° C (32.3°F) |
3.3 ° C (38°F) |
1.5 ° C (34.7°F) |
% 76 | 89% | 1 | Sunrise:08:22 AM Sunset: 05:27 PM |
Moonrise:10:49 PM Moonset: 11:02 AM Moon Phase ( Waning Gibbous ) |
|
| 08 January 2026 Thursday | Partly Cloudy |
0.2 ° C (32.4°F) |
5 ° C (40.9°F) |
2.2 ° C (35.9°F) |
% 77 | 0% | 2 | Sunrise:08:22 AM Sunset: 05:28 PM |
Moonrise:11:56 PM Moonset: 11:20 AM Moon Phase ( Waning Gibbous ) |
|
| 09 January 2026 Friday | Partly Cloudy |
1.1 ° C (34°F) |
6.6 ° C (43.8°F) |
3.8 ° C (38.9°F) |
% 69 | 0% | 2 | Sunrise:08:22 AM Sunset: 05:29 PM |
Moonrise:No moonrise Moonset: 11:38 AM Moon Phase ( Waning Gibbous ) |
|
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