Harper Weather Forecast 15 Days, Weather in Harper Today
Current weather conditions and 15 day weather forecast for Harper, 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 Harper
| 14 December 2025 Sunday -3.9 ° C / 25°F  Overcast |
Feels Like : -5.2 ° C / 22.7°F Humidity : % 92 Pressure : 1024 mb Wind Speed : 3.6 kmph / 2.2 miles from E  Visibility : 11 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Harper, OR, USA
Weather Forecast for next 15 Days for Harper 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 Harper, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday |  Sunny |
-1.2 ° C (29.8°F) |
9.2 ° C (48.6°F) |
2.1 ° C (35.8°F) |
% 75 | 0% | 0.3 | Sunrise:08:17 AM Sunset: 05:13 PM |
Moonrise:03:16 AM Moonset: 01:55 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Moderate rain |
-0.4 ° C (31.3°F) |
4.9 ° C (40.8°F) |
1.8 ° C (35.3°F) |
% 90 | 87% | 0.1 | Sunrise:08:18 AM Sunset: 05:14 PM |
Moonrise:04:19 AM Moonset: 02:15 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Moderate rain |
2 ° C (35.6°F) |
11.8 ° C (53.2°F) |
5.9 ° C (42.6°F) |
% 90 | 87% | 0.2 | Sunrise:08:19 AM Sunset: 05:14 PM |
Moonrise:05:25 AM Moonset: 02:40 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Patchy rain nearby |
1.2 ° C (34.2°F) |
6.5 ° C (43.6°F) |
6 ° C (42.8°F) |
% 51 | 88% | 0.2 | Sunrise:08:19 AM Sunset: 05:14 PM |
Moonrise:06:30 AM Moonset: 03:11 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
-0.2 ° C (31.7°F) |
4.3 ° C (39.8°F) |
2.5 ° C (36.5°F) |
% 64 | 87% | 0 | Sunrise:08:20 AM Sunset: 05:15 PM |
Moonrise:07:33 AM Moonset: 03:50 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
-1.7 ° C (29°F) |
5.5 ° C (41.8°F) |
2.3 ° C (36.1°F) |
% 60 | 0% | 2 | Sunrise:08:20 AM Sunset: 05:15 PM |
Moonrise:08:31 AM Moonset: 04:38 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Partly Cloudy |
-3.3 ° C (26°F) |
4.3 ° C (39.8°F) |
-0.3 ° C (31.4°F) |
% 61 | 0% | 2 | Sunrise:08:21 AM Sunset: 05:15 PM |
Moonrise:09:22 AM Moonset: 05:35 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy snow |
-1.1 ° C (30.1°F) |
1.1 ° C (34°F) |
0.6 ° C (33°F) |
% 88 | 75% | 1 | Sunrise:08:21 AM Sunset: 05:16 PM |
Moonrise:10:04 AM Moonset: 06:39 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-8.4 ° C (16.9°F) |
0.2 ° C (32.3°F) |
-5.5 ° C (22.2°F) |
% 77 | 0% | 2 | Sunrise:08:22 AM Sunset: 05:17 PM |
Moonrise:10:38 AM Moonset: 07:47 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
-11.6 ° C (11.2°F) |
-2.9 ° C (26.7°F) |
-8.4 ° C (16.9°F) |
% 87 | 0% | 2 | Sunrise:08:22 AM Sunset: 05:17 PM |
Moonrise:11:06 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-9.9 ° C (14.3°F) |
-0.9 ° C (30.3°F) |
-6.4 ° C (20.5°F) |
% 89 | 0% | 2 | Sunrise:08:23 AM Sunset: 05:18 PM |
Moonrise:11:29 AM Moonset: 10:06 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
-10.8 ° C (12.5°F) |
-2.8 ° C (27°F) |
-7.5 ° C (18.5°F) |
% 86 | 0% | 2 | Sunrise:08:23 AM Sunset: 05:18 PM |
Moonrise:11:49 AM Moonset: 11:16 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Heavy snow |
-14.2 ° C (6.5°F) |
-2.1 ° C (28.1°F) |
-7.1 ° C (19.1°F) |
% 87 | 75% | 1 | Sunrise:08:23 AM Sunset: 05:19 PM |
Moonrise:12:08 PM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-17.4 ° C (0.7°F) |
-5.9 ° C (21.4°F) |
-13.8 ° C (7.2°F) |
% 85 | 0% | 2 | Sunrise:08:24 AM Sunset: 05:20 PM |
Moonrise:12:27 PM Moonset: 12:26 AM Moon Phase ( First Quarter ) |
|
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