Cottage Grove Weather Forecast 15 Days, Weather in Cottage Grove Today
Current weather conditions and 15 day weather forecast for Cottage Grove, 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 Cottage Grove
| 18 December 2025 Thursday 10.1 ° C / 50.2°F  Light rain |
Feels Like : 9.9 ° C / 49.7°F Humidity : % 96 Pressure : 1006 mb Wind Speed : 5 kmph / 3.1 miles from SSE  Visibility : 3.2 km Precipitation (rainfall) : 3.33 mm Cloud (%) : 100 |
15 day weather forecast for Cottage Grove, OR, USA
Weather Forecast for next 15 Days for Cottage Grove 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 Cottage Grove, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Heavy rain |
6.7 ° C (44.1°F) |
13.1 ° C (55.6°F) |
9.7 ° C (49.5°F) |
% 86 | 90% | 0 | Sunrise:07:42 AM Sunset: 04:36 PM |
Moonrise:06:55 AM Moonset: 03:13 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Heavy rain |
3.7 ° C (38.7°F) |
9.4 ° C (48.9°F) |
7.5 ° C (45.6°F) |
% 90 | 89% | 0 | Sunrise:07:42 AM Sunset: 04:37 PM |
Moonrise:07:54 AM Moonset: 04:01 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Partly Cloudy |
0.2 ° C (32.3°F) |
7.3 ° C (45.1°F) |
4.1 ° C (39.4°F) |
% 79 | 0% | 0.1 | Sunrise:07:43 AM Sunset: 04:37 PM |
Moonrise:08:44 AM Moonset: 04:58 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Moderate rain |
0.1 ° C (32.1°F) |
8.4 ° C (47.1°F) |
3.9 ° C (39°F) |
% 90 | 82% | 0.1 | Sunrise:07:44 AM Sunset: 04:38 PM |
Moonrise:09:26 AM Moonset: 06:02 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Moderate rain |
2.7 ° C (36.9°F) |
7.4 ° C (45.3°F) |
5.1 ° C (41.3°F) |
% 93 | 74% | 0 | Sunrise:07:44 AM Sunset: 04:38 PM |
Moonrise:10:00 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Patchy rain nearby |
-1.4 ° C (29.5°F) |
3.1 ° C (37.7°F) |
1.9 ° C (35.4°F) |
% 97 | 85% | 1 | Sunrise:07:44 AM Sunset: 04:39 PM |
Moonrise:10:27 AM Moonset: 08:19 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-2.5 ° C (27.5°F) |
3.5 ° C (38.4°F) |
-0.2 ° C (31.6°F) |
% 87 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:39 PM |
Moonrise:10:51 AM Moonset: 09:29 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Sunny |
-2.7 ° C (27.1°F) |
6.1 ° C (43°F) |
0.8 ° C (33.4°F) |
% 75 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:40 PM |
Moonrise:11:11 AM Moonset: 10:39 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
1.4 ° C (34.5°F) |
7 ° C (44.6°F) |
3.7 ° C (38.6°F) |
% 88 | 0% | 2 | Sunrise:07:46 AM Sunset: 04:41 PM |
Moonrise:11:31 AM Moonset: 11:50 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Mist |
2.2 ° C (35.9°F) |
11.2 ° C (52.1°F) |
5.1 ° C (41.2°F) |
% 90 | 0% | 2 | Sunrise:07:46 AM Sunset: 04:42 PM |
Moonrise:11:50 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
1.6 ° C (34.8°F) |
12.1 ° C (53.8°F) |
4.6 ° C (40.3°F) |
% 90 | 0% | 2 | Sunrise:07:46 AM Sunset: 04:42 PM |
Moonrise:12:11 PM Moonset: 01:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
1.8 ° C (35.2°F) |
11.5 ° C (52.6°F) |
5.4 ° C (41.8°F) |
% 86 | 0% | 3 | Sunrise:07:46 AM Sunset: 04:43 PM |
Moonrise:12:36 PM Moonset: 02:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
4.5 ° C (40.1°F) |
7.9 ° C (46.2°F) |
6 ° C (42.7°F) |
% 93 | 83% | 2 | Sunrise:07:46 AM Sunset: 04:44 PM |
Moonrise:01:07 PM Moonset: 03:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
5.6 ° C (42.1°F) |
12 ° C (53.6°F) |
7.6 ° C (45.6°F) |
% 94 | 83% | 2 | Sunrise:07:47 AM Sunset: 04:45 PM |
Moonrise:01:48 PM Moonset: 05:03 AM Moon Phase ( Waxing Gibbous ) |
|
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