Mattawa Weather Forecast 15 Days, Weather in Mattawa Today
Current weather conditions and 15 day weather forecast for Mattawa, 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 Mattawa
| 05 December 2025 Friday 2.2 ° C / 36°F  Mist |
Feels Like : 1.4 ° C / 34.5°F Humidity : % 96 Pressure : 1017 mb Wind Speed : 4 kmph / 2.5 miles from E  Visibility : 9.7 km Precipitation (rainfall) : 1.78 mm Cloud (%) : 100 |
15 day weather forecast for Mattawa, WA, USA
Weather Forecast for next 15 Days for Mattawa 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 Mattawa, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Moderate rain |
0.8 ° C (33.4°F) |
14.1 ° C (57.4°F) |
5.1 ° C (41.2°F) |
% 86 | 89% | 0.1 | Sunrise:07:29 AM Sunset: 04:12 PM |
Moonrise:04:37 PM Moonset: 08:52 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Sunny |
2.2 ° C (35.9°F) |
13.2 ° C (55.8°F) |
7.1 ° C (44.8°F) |
% 71 | 0% | 0.1 | Sunrise:07:30 AM Sunset: 04:12 PM |
Moonrise:05:53 PM Moonset: 09:55 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Mist |
-2.4 ° C (27.7°F) |
8.7 ° C (47.7°F) |
3.3 ° C (37.9°F) |
% 90 | 0% | 0.1 | Sunrise:07:31 AM Sunset: 04:11 PM |
Moonrise:07:15 PM Moonset: 10:40 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Partly Cloudy |
3.8 ° C (38.8°F) |
9.2 ° C (48.5°F) |
6.2 ° C (43.1°F) |
% 71 | 0% | 0.1 | Sunrise:07:32 AM Sunset: 04:11 PM |
Moonrise:08:37 PM Moonset: 11:13 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Patchy rain nearby |
6.5 ° C (43.7°F) |
11.1 ° C (52°F) |
8.3 ° C (47°F) |
% 73 | 88% | 0 | Sunrise:07:33 AM Sunset: 04:11 PM |
Moonrise:09:55 PM Moonset: 11:37 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Partly Cloudy |
2.9 ° C (37.2°F) |
8.8 ° C (47.8°F) |
5.6 ° C (42.1°F) |
% 60 | 0% | 3 | Sunrise:07:34 AM Sunset: 04:11 PM |
Moonrise:11:07 PM Moonset: 11:56 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Partly Cloudy |
1.4 ° C (34.6°F) |
5.7 ° C (42.3°F) |
3 ° C (37.5°F) |
% 72 | 0% | 2 | Sunrise:07:35 AM Sunset: 04:11 PM |
Moonrise:No moonrise Moonset: 12:12 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday |  Heavy snow |
-2.3 ° C (27.9°F) |
0.2 ° C (32.3°F) |
-0.4 ° C (31.3°F) |
% 98 | 83% | 1 | Sunrise:07:36 AM Sunset: 04:11 PM |
Moonrise:12:16 AM Moonset: 12:27 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Mist |
-7.8 ° C (17.9°F) |
-3.4 ° C (25.8°F) |
-5.8 ° C (21.5°F) |
% 95 | 80% | 1 | Sunrise:07:37 AM Sunset: 04:11 PM |
Moonrise:01:24 AM Moonset: 12:42 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Moderate snow |
-7.6 ° C (18.3°F) |
-4.1 ° C (24.6°F) |
-5.9 ° C (21.4°F) |
% 95 | 86% | 1 | Sunrise:07:37 AM Sunset: 04:12 PM |
Moonrise:02:30 AM Moonset: 12:58 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Light snow |
-9 ° C (15.7°F) |
-4.8 ° C (23.4°F) |
-7.2 ° C (19°F) |
% 95 | 85% | 1 | Sunrise:07:38 AM Sunset: 04:12 PM |
Moonrise:03:37 AM Moonset: 01:17 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Light snow |
-11.9 ° C (10.6°F) |
-5.3 ° C (22.5°F) |
-7.6 ° C (18.3°F) |
% 95 | 75% | 1 | Sunrise:07:39 AM Sunset: 04:12 PM |
Moonrise:04:44 AM Moonset: 01:39 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Moderate snow |
-10.7 ° C (12.8°F) |
-7.4 ° C (18.6°F) |
-8.4 ° C (16.8°F) |
% 94 | 80% | 1 | Sunrise:07:40 AM Sunset: 04:12 PM |
Moonrise:05:52 AM Moonset: 02:08 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Moderate snow |
-12.3 ° C (9.8°F) |
-9 ° C (15.8°F) |
-10.1 ° C (13.7°F) |
% 95 | 77% | 1 | Sunrise:07:40 AM Sunset: 04:13 PM |
Moonrise:06:57 AM Moonset: 02:45 PM Moon Phase ( Waning Crescent ) |
|
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