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.
| 23 December 2025 Tuesday 5.2 ° C / 41.4°F ![]() Partly cloudy |
Feels Like : 3.5 ° C / 38.3°F Humidity : % 73 Pressure : 1010 mb Wind Speed : 7.6 kmph / 4.7 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Sunny |
0.3 ° C (32.5°F) |
6.8 ° C (44.2°F) |
2.9 ° C (37.3°F) |
% 84 | 0% | 0.2 | Sunrise:07:42 AM Sunset: 04:15 PM |
Moonrise:09:59 AM Moonset: 06:46 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Mist |
-1.7 ° C (28.9°F) |
0.8 ° C (33.4°F) |
0.2 ° C (32.4°F) |
% 91 | 61% | 0.1 | Sunrise:07:43 AM Sunset: 04:15 PM |
Moonrise:10:23 AM Moonset: 07:58 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
-1 ° C (30.2°F) |
3.7 ° C (38.7°F) |
1.2 ° C (34.1°F) |
% 97 | 82% | 0.1 | Sunrise:07:43 AM Sunset: 04:16 PM |
Moonrise:10:44 AM Moonset: 09:11 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Mist |
-2.9 ° C (26.8°F) |
1.7 ° C (35.1°F) |
-0.4 ° C (31.2°F) |
% 96 | 70% | 0.1 | Sunrise:07:44 AM Sunset: 04:16 PM |
Moonrise:11:02 AM Moonset: 10:23 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
0.7 ° C (33.3°F) |
8.2 ° C (46.7°F) |
3.5 ° C (38.2°F) |
% 85 | 0% | 0.1 | Sunrise:07:44 AM Sunset: 04:17 PM |
Moonrise:11:19 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-0.2 ° C (31.6°F) |
6.3 ° C (43.4°F) |
1.5 ° C (34.7°F) |
% 70 | 0% | 0 | Sunrise:07:44 AM Sunset: 04:18 PM |
Moonrise:11:35 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-1.5 ° C (29.2°F) |
4.2 ° C (39.6°F) |
0.3 ° C (32.6°F) |
% 76 | 0% | 2 | Sunrise:07:44 AM Sunset: 04:19 PM |
Moonrise:11:54 AM Moonset: 12:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
-2 ° C (28.4°F) |
3.8 ° C (38.8°F) |
0.1 ° C (32.2°F) |
% 78 | 0% | 2 | Sunrise:07:44 AM Sunset: 04:19 PM |
Moonrise:12:15 PM Moonset: 02:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-1.6 ° C (29°F) |
5 ° C (40.9°F) |
0.5 ° C (32.8°F) |
% 77 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:20 PM |
Moonrise:12:43 PM Moonset: 03:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-0.7 ° C (30.7°F) |
7.5 ° C (45.5°F) |
2.4 ° C (36.2°F) |
% 77 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:21 PM |
Moonrise:01:22 PM Moonset: 05:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
0.1 ° C (32.3°F) |
9.6 ° C (49.4°F) |
5.1 ° C (41.2°F) |
% 73 | 0% | 3 | Sunrise:07:45 AM Sunset: 04:22 PM |
Moonrise:02:14 PM Moonset: 06:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-2.1 ° C (28.2°F) |
3 ° C (37.4°F) |
-0.5 ° C (31.2°F) |
% 67 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:23 PM |
Moonrise:03:23 PM Moonset: 07:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-2.8 ° C (26.9°F) |
2.7 ° C (36.8°F) |
-0.9 ° C (30.3°F) |
% 58 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:24 PM |
Moonrise:04:43 PM Moonset: 08:28 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-1 ° C (30.2°F) |
4.7 ° C (40.5°F) |
1.3 ° C (34.4°F) |
% 61 | 0% | 2 | Sunrise:07:44 AM Sunset: 04:25 PM |
Moonrise:06:07 PM Moonset: 09:08 AM Moon Phase ( Waning Gibbous ) |
|