Sumas Weather Forecast 15 Days, Weather in Sumas Today
Current weather conditions and 15 day weather forecast for Sumas, 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 Sumas
| 01 April 2026 Wednesday 7.2 ° C / 45°F  Partly cloudy |
Feels Like : 6.1 ° C / 43°F Humidity : % 61 Pressure : 1004 mb Wind Speed : 6.5 kmph / 4 miles from ENE  Visibility : 24 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Sumas, WA, USA
Weather Forecast for next 15 Days for Sumas 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 Sumas, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 01 April 2026 Wednesday |  Moderate rain |
5 ° C (40.9°F) |
10.7 ° C (51.3°F) |
8 ° C (46.3°F) |
% 80 | 89% | 0.5 | Sunrise:06:46 AM Sunset: 07:41 PM |
Moonrise:07:46 PM Moonset: 06:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Mist |
3.9 ° C (39°F) |
7.3 ° C (45.1°F) |
5.4 ° C (41.8°F) |
% 88 | 0% | 0.2 | Sunrise:06:44 AM Sunset: 07:42 PM |
Moonrise:08:58 PM Moonset: 06:39 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Cloudy |
5.3 ° C (41.5°F) |
10.3 ° C (50.5°F) |
7.4 ° C (45.4°F) |
% 82 | 0% | 0.7 | Sunrise:06:42 AM Sunset: 07:44 PM |
Moonrise:10:10 PM Moonset: 06:54 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Partly Cloudy |
4.5 ° C (40.2°F) |
13.8 ° C (56.9°F) |
8.9 ° C (48°F) |
% 76 | 0% | 0.8 | Sunrise:06:40 AM Sunset: 07:45 PM |
Moonrise:11:23 PM Moonset: 07:13 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday |  Sunny |
3.4 ° C (38.1°F) |
17.4 ° C (63.3°F) |
8 ° C (46.4°F) |
% 81 | 0% | 0 | Sunrise:06:38 AM Sunset: 07:47 PM |
Moonrise:No moonrise Moonset: 07:37 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Partly Cloudy |
6.8 ° C (44.2°F) |
22 ° C (71.7°F) |
13.1 ° C (55.6°F) |
% 73 | 0% | 4 | Sunrise:06:36 AM Sunset: 07:48 PM |
Moonrise:12:32 AM Moonset: 08:07 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Moderate rain |
4.1 ° C (39.4°F) |
9.8 ° C (49.6°F) |
7.8 ° C (46.1°F) |
% 92 | 86% | 2 | Sunrise:06:34 AM Sunset: 07:50 PM |
Moonrise:01:37 AM Moonset: 08:47 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday |  Patchy rain nearby |
4 ° C (39.3°F) |
8.2 ° C (46.8°F) |
6.1 ° C (42.9°F) |
% 93 | 88% | 2 | Sunrise:06:31 AM Sunset: 07:51 PM |
Moonrise:02:31 AM Moonset: 09:39 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Patchy rain nearby |
4.3 ° C (39.7°F) |
9.9 ° C (49.9°F) |
6.7 ° C (44.1°F) |
% 92 | 88% | 2 | Sunrise:06:29 AM Sunset: 07:53 PM |
Moonrise:03:16 AM Moonset: 10:40 AM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Patchy rain nearby |
1.5 ° C (34.8°F) |
8.4 ° C (47.2°F) |
4.8 ° C (40.6°F) |
% 89 | 80% | 1 | Sunrise:06:27 AM Sunset: 07:54 PM |
Moonrise:03:49 AM Moonset: 11:50 AM Moon Phase ( Last Quarter ) |
|
| 11 April 2026 Saturday | Patchy rain nearby |
2.8 ° C (37°F) |
9 ° C (48.3°F) |
6.1 ° C (43°F) |
% 85 | 77% | 2 | Sunrise:06:25 AM Sunset: 07:56 PM |
Moonrise:04:15 AM Moonset: 01:03 PM Moon Phase ( Waning Crescent ) |
|
| 12 April 2026 Sunday | Patchy rain nearby |
5.3 ° C (41.6°F) |
9 ° C (48.2°F) |
6.7 ° C (44°F) |
% 86 | 89% | 2 | Sunrise:06:23 AM Sunset: 07:57 PM |
Moonrise:04:35 AM Moonset: 02:18 PM Moon Phase ( Waning Crescent ) |
|
| 13 April 2026 Monday | Patchy rain nearby |
1.8 ° C (35.2°F) |
10.2 ° C (50.3°F) |
5.7 ° C (42.2°F) |
% 81 | 87% | 2 | Sunrise:06:21 AM Sunset: 07:59 PM |
Moonrise:04:53 AM Moonset: 03:36 PM Moon Phase ( Waning Crescent ) |
|
| 14 April 2026 Tuesday |  Overcast |
2 ° C (35.6°F) |
13.2 ° C (55.8°F) |
6.9 ° C (44.4°F) |
% 72 | 0% | 2 | Sunrise:06:19 AM Sunset: 08:00 PM |
Moonrise:05:08 AM Moonset: 04:54 PM Moon Phase ( Waning Crescent ) |
|
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