Lake Oswego Weather Forecast 15 Days, Weather in Lake Oswego Today
Current weather conditions and 15 day weather forecast for Lake Oswego, 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 Lake Oswego
| 15 December 2025 Monday 9.4 ° C / 48.9°F  Light rain |
Feels Like : 9.6 ° C / 49.2°F Humidity : % 93 Pressure : 1016 mb Wind Speed : 3.6 kmph / 2.2 miles from SE  Visibility : 11 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Lake Oswego, OR, USA
Weather Forecast for next 15 Days for Lake Oswego 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 Lake Oswego, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday |  Moderate rain |
8.7 ° C (47.6°F) |
15.8 ° C (60.4°F) |
11.7 ° C (53.1°F) |
% 88 | 89% | 0 | Sunrise:07:45 AM Sunset: 04:28 PM |
Moonrise:03:45 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Moderate rain |
10.9 ° C (51.6°F) |
13.3 ° C (55.9°F) |
12.1 ° C (53.9°F) |
% 91 | 82% | 0.1 | Sunrise:07:45 AM Sunset: 04:29 PM |
Moonrise:04:52 AM Moonset: 01:56 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Moderate rain |
7 ° C (44.6°F) |
8.5 ° C (47.3°F) |
8.4 ° C (47.1°F) |
% 83 | 87% | 0.1 | Sunrise:07:46 AM Sunset: 04:29 PM |
Moonrise:05:58 AM Moonset: 02:25 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Heavy rain |
5.5 ° C (41.9°F) |
8.3 ° C (47°F) |
7 ° C (44.6°F) |
% 92 | 73% | 0 | Sunrise:07:47 AM Sunset: 04:29 PM |
Moonrise:07:02 AM Moonset: 03:04 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Patchy rain nearby |
4.2 ° C (39.6°F) |
8.2 ° C (46.8°F) |
7 ° C (44.6°F) |
% 88 | 87% | 0 | Sunrise:07:47 AM Sunset: 04:30 PM |
Moonrise:08:01 AM Moonset: 03:51 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
3.3 ° C (38°F) |
7.4 ° C (45.3°F) |
5.1 ° C (41.1°F) |
% 84 | 77% | 2 | Sunrise:07:48 AM Sunset: 04:30 PM |
Moonrise:08:51 AM Moonset: 04:49 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Moderate rain |
2.4 ° C (36.3°F) |
11.7 ° C (53.1°F) |
6.2 ° C (43.2°F) |
% 88 | 83% | 2 | Sunrise:07:48 AM Sunset: 04:31 PM |
Moonrise:09:33 AM Moonset: 05:54 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
4.6 ° C (40.4°F) |
8.4 ° C (47.2°F) |
6.9 ° C (44.3°F) |
% 84 | 85% | 2 | Sunrise:07:49 AM Sunset: 04:31 PM |
Moonrise:10:05 AM Moonset: 07:03 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Cloudy |
1.7 ° C (35.1°F) |
4.9 ° C (40.8°F) |
3.4 ° C (38.2°F) |
% 80 | 0% | 1 | Sunrise:07:49 AM Sunset: 04:32 PM |
Moonrise:10:31 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
2.8 ° C (37°F) |
4.9 ° C (40.8°F) |
4.1 ° C (39.4°F) |
% 80 | 89% | 1 | Sunrise:07:50 AM Sunset: 04:32 PM |
Moonrise:10:53 AM Moonset: 09:25 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Mist |
5.5 ° C (41.9°F) |
10.5 ° C (51°F) |
7.1 ° C (44.7°F) |
% 91 | 0% | 2 | Sunrise:07:50 AM Sunset: 04:33 PM |
Moonrise:11:12 AM Moonset: 10:36 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
3.8 ° C (38.9°F) |
8.3 ° C (47°F) |
5.7 ° C (42.3°F) |
% 82 | 83% | 2 | Sunrise:07:50 AM Sunset: 04:34 PM |
Moonrise:11:30 AM Moonset: 11:49 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Moderate rain |
5.8 ° C (42.4°F) |
11.6 ° C (52.9°F) |
8 ° C (46.4°F) |
% 92 | 82% | 2 | Sunrise:07:50 AM Sunset: 04:34 PM |
Moonrise:11:48 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
5.5 ° C (42°F) |
7.5 ° C (45.6°F) |
6.7 ° C (44°F) |
% 92 | 81% | 2 | Sunrise:07:51 AM Sunset: 04:35 PM |
Moonrise:12:07 PM Moonset: 01:03 AM Moon Phase ( Waxing Gibbous ) |
|
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