Current weather conditions and 15 day weather forecast for Copalis State Airport, 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.
| 20 September 2026 Sunday 14.6 ° C / 58.3°F ![]() Sunny |
Feels Like : 10.5 ° C / 50.9°F Humidity : % 82 Pressure : 1019 mb Wind Speed : 23.8 kmph / 14.8 miles from NNW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 September 2026 Sunday | Sunny |
14.1 ° C (57.4°F) |
15.1 ° C (59.2°F) |
14.7 ° C (58.4°F) |
% 82 | 12% | 4.9 | Sunrise:07:01 AM Sunset: 07:19 PM |
Moonrise:05:06 PM Moonset: 12:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
14.8 ° C (58.7°F) |
16.2 ° C (61.2°F) |
15.4 ° C (59.7°F) |
% 85 | 17% | 4.5 | Sunrise:07:02 AM Sunset: 07:17 PM |
Moonrise:05:31 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
14.8 ° C (58.7°F) |
15.4 ° C (59.7°F) |
15.1 ° C (59.2°F) |
% 81 | 25% | 4 | Sunrise:07:03 AM Sunset: 07:15 PM |
Moonrise:05:51 PM Moonset: 02:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
14.2 ° C (57.5°F) |
15.1 ° C (59.2°F) |
14.6 ° C (58.3°F) |
% 80 | 65% | 3.8 | Sunrise:07:05 AM Sunset: 07:13 PM |
Moonrise:06:08 PM Moonset: 03:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
12.3 ° C (54.1°F) |
14.4 ° C (57.8°F) |
13.6 ° C (56.4°F) |
% 72 | 33% | 3 | Sunrise:07:06 AM Sunset: 07:11 PM |
Moonrise:06:23 PM Moonset: 05:03 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
14.2 ° C (57.5°F) |
14.8 ° C (58.6°F) |
14.4 ° C (58°F) |
% 73 | 11% | 4 | Sunrise:07:07 AM Sunset: 07:09 PM |
Moonrise:06:38 PM Moonset: 06:10 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
11 ° C (51.8°F) |
15.1 ° C (59.2°F) |
13.5 ° C (56.2°F) |
% 83 | 12% | 5 | Sunrise:07:08 AM Sunset: 07:07 PM |
Moonrise:06:53 PM Moonset: 07:18 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Patchy rain nearby |
13.9 ° C (57.1°F) |
15.4 ° C (59.6°F) |
14.7 ° C (58.5°F) |
% 87 | 60% | 4 | Sunrise:07:10 AM Sunset: 07:05 PM |
Moonrise:07:10 PM Moonset: 08:27 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Patchy rain nearby |
14.3 ° C (57.7°F) |
15.5 ° C (60°F) |
14.9 ° C (58.8°F) |
% 87 | 87% | 4 | Sunrise:07:11 AM Sunset: 07:03 PM |
Moonrise:07:30 PM Moonset: 09:39 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
13.5 ° C (56.2°F) |
14.8 ° C (58.6°F) |
14.4 ° C (57.8°F) |
% 80 | 18% | 4 | Sunrise:07:13 AM Sunset: 07:01 PM |
Moonrise:07:55 PM Moonset: 10:54 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
11.5 ° C (52.7°F) |
15 ° C (59°F) |
13.4 ° C (56.2°F) |
% 79 | 11% | 5 | Sunrise:07:14 AM Sunset: 06:59 PM |
Moonrise:08:28 PM Moonset: 12:10 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
12.3 ° C (54.1°F) |
15.2 ° C (59.4°F) |
14.2 ° C (57.6°F) |
% 78 | 17% | 4 | Sunrise:07:15 AM Sunset: 06:57 PM |
Moonrise:09:12 PM Moonset: 01:23 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Overcast |
14 ° C (57.1°F) |
15 ° C (59°F) |
14.7 ° C (58.5°F) |
% 80 | 21% | 4 | Sunrise:07:17 AM Sunset: 06:55 PM |
Moonrise:10:11 PM Moonset: 02:29 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Overcast |
14.2 ° C (57.5°F) |
14.9 ° C (58.8°F) |
14.5 ° C (58.1°F) |
% 85 | 82% | 3 | Sunrise:07:18 AM Sunset: 06:53 PM |
Moonrise:11:23 PM Moonset: 03:22 PM Moon Phase ( Last Quarter ) |
|