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.
| 01 October 2026 Thursday 14.8 ° C / 58.7°F ![]() Overcast |
Feels Like : 12.9 ° C / 55.2°F Humidity : % 49 Pressure : 1016 mb Wind Speed : 3.6 kmph / 2.2 miles from E ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 30 September 2026 Wednesday | Overcast |
11.2 ° C (52.1°F) |
19.2 ° C (66.6°F) |
15.4 ° C (59.7°F) |
% 52 | 7% | 4.2 | Sunrise:06:57 AM Sunset: 06:42 PM |
Moonrise:08:12 PM Moonset: 11:50 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
12.2 ° C (54°F) |
19.7 ° C (67.4°F) |
15.7 ° C (60.3°F) |
% 40 | 10% | 3.5 | Sunrise:06:58 AM Sunset: 06:40 PM |
Moonrise:08:57 PM Moonset: 01:03 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
13.7 ° C (56.7°F) |
24.1 ° C (75.4°F) |
18.6 ° C (65.4°F) |
% 48 | 3% | 4 | Sunrise:06:59 AM Sunset: 06:38 PM |
Moonrise:09:55 PM Moonset: 02:09 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
14 ° C (57.3°F) |
22.8 ° C (73.1°F) |
18 ° C (64.4°F) |
% 51 | 5% | 3.9 | Sunrise:07:01 AM Sunset: 06:36 PM |
Moonrise:11:07 PM Moonset: 03:03 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Sunny |
13.6 ° C (56.5°F) |
23.6 ° C (74.5°F) |
18.4 ° C (65.1°F) |
% 46 | 2% | 3.6 | Sunrise:07:02 AM Sunset: 06:34 PM |
Moonrise:Does not rise today Moonset: 03:45 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
15.6 ° C (60°F) |
26.6 ° C (79.8°F) |
20 ° C (68°F) |
% 43 | 5% | 6 | Sunrise:07:03 AM Sunset: 06:32 PM |
Moonrise:12:27 AM Moonset: 04:17 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
13.5 ° C (56.3°F) |
22.1 ° C (71.7°F) |
17.2 ° C (63°F) |
% 45 | 4% | 6 | Sunrise:07:05 AM Sunset: 06:30 PM |
Moonrise:01:50 AM Moonset: 04:42 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Cloudy |
13.7 ° C (56.7°F) |
22.6 ° C (72.8°F) |
17.4 ° C (63.3°F) |
% 35 | 4% | 6 | Sunrise:07:06 AM Sunset: 06:28 PM |
Moonrise:03:14 AM Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday | Sunny |
14.2 ° C (57.5°F) |
24.2 ° C (75.5°F) |
18.4 ° C (65°F) |
% 31 | 1% | 6 | Sunrise:07:07 AM Sunset: 06:26 PM |
Moonrise:04:36 AM Moonset: 05:22 PM Moon Phase ( Waning Crescent ) |
|
| 09 October 2026 Friday | Overcast |
12.2 ° C (53.9°F) |
20.3 ° C (68.6°F) |
16.1 ° C (60.9°F) |
% 46 | 6% | 5 | Sunrise:07:09 AM Sunset: 06:24 PM |
Moonrise:05:57 AM Moonset: 05:41 PM Moon Phase ( New Moon ) |
|
| 10 October 2026 Saturday | Sunny |
8.9 ° C (48.1°F) |
16.5 ° C (61.7°F) |
12.5 ° C (54.5°F) |
% 43 | 3% | 5 | Sunrise:07:10 AM Sunset: 06:22 PM |
Moonrise:07:17 AM Moonset: 06:01 PM Moon Phase ( New Moon ) |
|
| 11 October 2026 Sunday | Sunny |
7.8 ° C (46°F) |
15.5 ° C (60°F) |
11.2 ° C (52.2°F) |
% 38 | 1% | 5 | Sunrise:07:11 AM Sunset: 06:20 PM |
Moonrise:08:37 AM Moonset: 06:24 PM Moon Phase ( New Moon ) |
|
| 12 October 2026 Monday | Overcast |
8.6 ° C (47.5°F) |
20.6 ° C (69.1°F) |
14.1 ° C (57.4°F) |
% 43 | 7% | 5 | Sunrise:07:13 AM Sunset: 06:18 PM |
Moonrise:09:57 AM Moonset: 06:52 PM Moon Phase ( Waxing Crescent ) |
|
| 13 October 2026 Tuesday | Sunny |
11.2 ° C (52.1°F) |
20.4 ° C (68.6°F) |
15.3 ° C (59.6°F) |
% 48 | 3% | 6 | Sunrise:07:14 AM Sunset: 06:16 PM |
Moonrise:11:13 AM Moonset: 07:26 PM Moon Phase ( Waxing Crescent ) |
|