Cosmopolis Weather Forecast 15 Days, Weather in Cosmopolis Today
Current weather conditions and 15 day weather forecast for Cosmopolis, Washington, 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 Cosmopolis
| 25 December 2025 Thursday 8.9 ° C / 48°F  Partly cloudy |
Feels Like : 7.7 ° C / 45.8°F Humidity : % 68 Pressure : 1002 mb Wind Speed : 8.3 kmph / 5.1 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Cosmopolis, WA, USA
Weather Forecast for next 15 Days for Cosmopolis 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 Cosmopolis, Washington 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday |  Moderate rain |
3.1 ° C (37.6°F) |
8.8 ° C (47.8°F) |
5.4 ° C (41.8°F) |
% 87 | 87% | 0 | Sunrise:08:00 AM Sunset: 04:30 PM |
Moonrise:11:00 AM Moonset: 09:27 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Moderate rain |
2.6 ° C (36.7°F) |
6.5 ° C (43.7°F) |
5.2 ° C (41.4°F) |
% 90 | 87% | 0 | Sunrise:08:00 AM Sunset: 04:31 PM |
Moonrise:11:18 AM Moonset: 10:39 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Heavy rain |
4.8 ° C (40.6°F) |
7.5 ° C (45.5°F) |
5.5 ° C (41.9°F) |
% 89 | 89% | 0.1 | Sunrise:08:00 AM Sunset: 04:32 PM |
Moonrise:11:35 AM Moonset: 11:54 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
2.7 ° C (36.8°F) |
5.1 ° C (41.2°F) |
4.2 ° C (39.5°F) |
% 80 | 0% | 0.1 | Sunrise:08:00 AM Sunset: 04:33 PM |
Moonrise:11:51 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
0.4 ° C (32.8°F) |
6.2 ° C (43.2°F) |
2.4 ° C (36.3°F) |
% 90 | 0% | 0.1 | Sunrise:08:01 AM Sunset: 04:33 PM |
Moonrise:12:09 PM Moonset: 01:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
0.7 ° C (33.3°F) |
8 ° C (46.4°F) |
2.6 ° C (36.7°F) |
% 90 | 0% | 0 | Sunrise:08:01 AM Sunset: 04:34 PM |
Moonrise:12:30 PM Moonset: 02:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
2.8 ° C (37°F) |
8.1 ° C (46.6°F) |
4.6 ° C (40.3°F) |
% 86 | 0% | 2 | Sunrise:08:01 AM Sunset: 04:35 PM |
Moonrise:12:58 PM Moonset: 03:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Overcast |
3.6 ° C (38.4°F) |
8.8 ° C (47.9°F) |
5.5 ° C (42°F) |
% 81 | 0% | 2 | Sunrise:08:01 AM Sunset: 04:36 PM |
Moonrise:01:37 PM Moonset: 05:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Moderate rain |
5.2 ° C (41.4°F) |
8.8 ° C (47.9°F) |
6.8 ° C (44.2°F) |
% 91 | 86% | 2 | Sunrise:08:01 AM Sunset: 04:37 PM |
Moonrise:02:29 PM Moonset: 06:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Patchy rain nearby |
3 ° C (37.3°F) |
6 ° C (42.8°F) |
4.9 ° C (40.8°F) |
% 91 | 84% | 1 | Sunrise:08:01 AM Sunset: 04:38 PM |
Moonrise:03:38 PM Moonset: 07:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
2.8 ° C (37.1°F) |
5.2 ° C (41.4°F) |
4.2 ° C (39.5°F) |
% 95 | 89% | 1 | Sunrise:08:01 AM Sunset: 04:39 PM |
Moonrise:04:58 PM Moonset: 08:46 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Moderate rain |
4.5 ° C (40.2°F) |
5.5 ° C (41.8°F) |
5.5 ° C (42°F) |
% 90 | 89% | 2 | Sunrise:08:01 AM Sunset: 04:40 PM |
Moonrise:06:23 PM Moonset: 09:25 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Patchy rain nearby |
3.5 ° C (38.3°F) |
6.6 ° C (43.9°F) |
5.3 ° C (41.5°F) |
% 80 | 86% | 2 | Sunrise:08:01 AM Sunset: 04:41 PM |
Moonrise:07:45 PM Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Patchy rain nearby |
3.5 ° C (38.2°F) |
8.3 ° C (47°F) |
6.1 ° C (43°F) |
% 94 | 87% | 2 | Sunrise:08:00 AM Sunset: 04:42 PM |
Moonrise:09:03 PM Moonset: 10:14 AM Moon Phase ( Waning Gibbous ) |
|
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