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 July 2026 Wednesday 14.4 ° C / 57.9°F  Overcast |
Feels Like : 15.1 ° C / 59.2°F Humidity : % 77 Pressure : 1016 mb Wind Speed : 3.6 kmph / 2.2 miles from E  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 July 2026 Wednesday |  Patchy rain nearby |
11.4 ° C (52.5°F) |
18.7 ° C (65.7°F) |
14.3 ° C (57.8°F) |
% 77 | 38% | 2.8 | Sunrise:05:09 AM Sunset: 09:16 PM |
Moonrise:10:53 PM Moonset: 06:48 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday |  Cloudy |
10.8 ° C (51.5°F) |
16.9 ° C (62.4°F) |
12.7 ° C (54.9°F) |
% 86 | 76% | 5.8 | Sunrise:05:09 AM Sunset: 09:16 PM |
Moonrise:11:11 PM Moonset: 07:57 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Patchy rain nearby |
11.5 ° C (52.6°F) |
21.9 ° C (71.4°F) |
15.1 ° C (59.2°F) |
% 81 | 54% | 5.1 | Sunrise:05:10 AM Sunset: 09:16 PM |
Moonrise:11:26 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday | Patchy rain nearby |
9.2 ° C (48.5°F) |
20.2 ° C (68.4°F) |
15 ° C (59°F) |
% 69 | 28% | 3.9 | Sunrise:05:11 AM Sunset: 09:15 PM |
Moonrise:11:40 PM Moonset: 10:15 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday |  Sunny |
6.3 ° C (43.3°F) |
22.8 ° C (73.1°F) |
15.3 ° C (59.6°F) |
% 64 | 5% | 6 | Sunrise:05:11 AM Sunset: 09:15 PM |
Moonrise:11:53 PM Moonset: 11:23 AM Moon Phase ( Last Quarter ) |
|
| 06 July 2026 Monday | Sunny |
8.6 ° C (47.5°F) |
23.7 ° C (74.6°F) |
16.1 ° C (60.9°F) |
% 63 | 6% | 6 | Sunrise:05:12 AM Sunset: 09:14 PM |
Moonrise:Does not rise today Moonset: 12:32 PM Moon Phase ( Last Quarter ) |
|
| 07 July 2026 Tuesday | Sunny |
9 ° C (48.2°F) |
20.7 ° C (69.2°F) |
15.8 ° C (60.4°F) |
% 64 | 7% | 6 | Sunrise:05:13 AM Sunset: 09:14 PM |
Moonrise:12:06 AM Moonset: 01:43 PM Moon Phase ( Last Quarter ) |
|
| 08 July 2026 Wednesday | Sunny |
11.2 ° C (52.1°F) |
24.4 ° C (75.9°F) |
18.1 ° C (64.7°F) |
% 66 | 6% | 6 | Sunrise:05:14 AM Sunset: 09:13 PM |
Moonrise:12:21 AM Moonset: 02:58 PM Moon Phase ( Waning Crescent ) |
|
| 09 July 2026 Thursday | Sunny |
9.6 ° C (49.2°F) |
26.6 ° C (79.9°F) |
18.1 ° C (64.5°F) |
% 59 | 3% | 7 | Sunrise:05:15 AM Sunset: 09:13 PM |
Moonrise:12:39 AM Moonset: 04:17 PM Moon Phase ( Waning Crescent ) |
|
| 10 July 2026 Friday | Sunny |
9.4 ° C (48.9°F) |
24.8 ° C (76.6°F) |
17.4 ° C (63.3°F) |
% 50 | 2% | 6 | Sunrise:05:16 AM Sunset: 09:12 PM |
Moonrise:01:03 AM Moonset: 05:40 PM Moon Phase ( Waning Crescent ) |
|
| 11 July 2026 Saturday | Sunny |
7.5 ° C (45.5°F) |
24 ° C (75.2°F) |
16.2 ° C (61.1°F) |
% 64 | 4% | 6 | Sunrise:05:17 AM Sunset: 09:11 PM |
Moonrise:01:37 AM Moonset: 06:59 PM Moon Phase ( Waning Crescent ) |
|
| 12 July 2026 Sunday | Sunny |
9.2 ° C (48.5°F) |
28.2 ° C (82.8°F) |
18.7 ° C (65.7°F) |
% 64 | 4% | 7 | Sunrise:05:18 AM Sunset: 09:11 PM |
Moonrise:02:25 AM Moonset: 08:09 PM Moon Phase ( New Moon ) |
|
| 13 July 2026 Monday | Sunny |
12.4 ° C (54.3°F) |
29.2 ° C (84.6°F) |
20.5 ° C (68.9°F) |
% 61 | 3% | 7 | Sunrise:05:19 AM Sunset: 09:10 PM |
Moonrise:03:31 AM Moonset: 09:03 PM Moon Phase ( New Moon ) |
|
| 14 July 2026 Tuesday | Sunny |
10.9 ° C (51.5°F) |
25.6 ° C (78.2°F) |
18.3 ° C (64.9°F) |
% 61 | 3% | 7 | Sunrise:05:20 AM Sunset: 09:09 PM |
Moonrise:04:54 AM Moonset: 09:42 PM Moon Phase ( New Moon ) |
|
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