Sumpter Weather Forecast 15 Days, Weather in Sumpter Today
Current weather conditions and 15 day weather forecast for Sumpter, 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 Sumpter
| 14 December 2025 Sunday 8.9 ° C / 48°F  Sunny |
Feels Like : 8.9 ° C / 48°F Humidity : % 46 Pressure : 1022 mb Wind Speed : 4 kmph / 2.5 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Sumpter, OR, USA
Weather Forecast for next 15 Days for Sumpter 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 Sumpter, 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 |  Partly Cloudy |
1.1 ° C (34°F) |
5.9 ° C (42.6°F) |
2.8 ° C (37.1°F) |
% 74 | 0% | 0.2 | Sunrise:07:23 AM Sunset: 04:13 PM |
Moonrise:02:19 AM Moonset: 12:56 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Patchy rain nearby |
2 ° C (35.6°F) |
4.6 ° C (40.3°F) |
3.3 ° C (38°F) |
% 91 | 80% | 0.1 | Sunrise:07:24 AM Sunset: 04:13 PM |
Moonrise:03:25 AM Moonset: 01:16 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Heavy rain |
2.9 ° C (37.2°F) |
5.5 ° C (41.8°F) |
4.6 ° C (40.3°F) |
% 92 | 89% | 0.2 | Sunrise:07:25 AM Sunset: 04:13 PM |
Moonrise:04:30 AM Moonset: 01:40 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Patchy heavy snow |
-5.3 ° C (22.4°F) |
-1.8 ° C (28.7°F) |
-1.9 ° C (28.6°F) |
% 79 | 75% | 0.2 | Sunrise:07:25 AM Sunset: 04:13 PM |
Moonrise:05:36 AM Moonset: 02:10 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Heavy snow |
-4.7 ° C (23.5°F) |
-2.6 ° C (27.3°F) |
-3.4 ° C (26°F) |
% 83 | 86% | 0 | Sunrise:07:26 AM Sunset: 04:14 PM |
Moonrise:06:40 AM Moonset: 02:48 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Patchy light snow |
-9.2 ° C (15.4°F) |
-2.6 ° C (27.3°F) |
-5.1 ° C (22.8°F) |
% 87 | 83% | 1 | Sunrise:07:27 AM Sunset: 04:14 PM |
Moonrise:07:39 AM Moonset: 03:37 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Freezing fog |
-11.6 ° C (11.2°F) |
-3.8 ° C (25.1°F) |
-7.8 ° C (18°F) |
% 91 | 0% | 1 | Sunrise:07:27 AM Sunset: 04:15 PM |
Moonrise:08:29 AM Moonset: 04:33 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Heavy snow |
-5.7 ° C (21.7°F) |
-3.3 ° C (26.1°F) |
-4.6 ° C (23.7°F) |
% 95 | 82% | 1 | Sunrise:07:28 AM Sunset: 04:15 PM |
Moonrise:09:11 AM Moonset: 05:38 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy light snow |
-12.7 ° C (9.1°F) |
-5.8 ° C (21.6°F) |
-9.5 ° C (14.9°F) |
% 91 | 61% | 1 | Sunrise:07:28 AM Sunset: 04:16 PM |
Moonrise:09:44 AM Moonset: 06:47 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Freezing fog |
-14.6 ° C (5.7°F) |
-6.2 ° C (20.8°F) |
-11.1 ° C (12°F) |
% 95 | 0% | 1 | Sunrise:07:29 AM Sunset: 04:16 PM |
Moonrise:10:11 AM Moonset: 07:57 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Light snow |
-11.7 ° C (10.9°F) |
-5.7 ° C (21.7°F) |
-8.3 ° C (17°F) |
% 95 | 75% | 1 | Sunrise:07:29 AM Sunset: 04:17 PM |
Moonrise:10:33 AM Moonset: 09:08 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Mist |
-15.8 ° C (3.5°F) |
-6.8 ° C (19.7°F) |
-11.3 ° C (11.6°F) |
% 92 | 89% | 1 | Sunrise:07:29 AM Sunset: 04:18 PM |
Moonrise:10:53 AM Moonset: 10:18 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Heavy snow |
-15.5 ° C (4.2°F) |
-8.9 ° C (15.9°F) |
-11.2 ° C (11.8°F) |
% 93 | 88% | 1 | Sunrise:07:30 AM Sunset: 04:18 PM |
Moonrise:11:11 AM Moonset: 11:30 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
-18.5 ° C (-1.4°F) |
-8.5 ° C (16.8°F) |
-15.2 ° C (4.6°F) |
% 90 | 0% | 2 | Sunrise:07:30 AM Sunset: 04:19 PM |
Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
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