Weather forecast for 10 daysSumas, WA
10-day overview
Daily temperatures
Warmest day: Wednesday 04.11. 57°C.
Minimum temperature: 48°C.
Minimum temperature: 48°C.
Chance of precipitation
Highest chance: tomorrow 92%.
Long-term weather forecast
- Tuesday
- Oct 27, 2026
- 50°F
- 43°F
Rain
- Precip. probability: 83%
- Precipitation: 0.55"
- Wind: 8mphWSW 244°
- Humidity: 94%
- UV index: 1
- Sunrise: 7:48 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Wednesday
- Oct 28, 2026
- 48°F
- 41°F
Rain
- Precip. probability: 92%
- Precipitation: 0.28"
- Wind: 6mphSSE 152°
- Humidity: 85%
- UV index: 1
- Sunrise: 7:50 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Thursday
- Oct 29, 2026
- 54°F
- 41°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphNE 52°
- Humidity: 69%
- UV index: 2
- Sunrise: 7:52 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Friday
- Oct 30, 2026
- 48°F
- 37°F
AM Showers
- Precip. probability: 38%
- Precipitation: 0.08"
- Wind: 6mphNE 49°
- Humidity: 74%
- UV index: 1
- Sunrise: 7:53 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Saturday
- Oct 31, 2026
- 54°F
- 37°F
Mostly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 5mphNE 34°
- Humidity: 73%
- UV index: 1
- Sunrise: 7:55 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Sunday
- Nov 1, 2026
- 54°F
- 37°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 4mphNNW 343°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:56 am PDT
- Sunset: 5:48 pm PDT
- details ▼
- Monday
- Nov 2, 2026
- 54°F
- 41°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphNE 37°
- Humidity: 71%
- UV index: 1
- Sunrise: 6:58 am PST
- Sunset: 4:46 pm PST
- details ▼
- Tuesday
- Nov 3, 2026
- 55°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNE 37°
- Humidity: 69%
- UV index: 1
- Sunrise: 7:00 am PST
- Sunset: 4:45 pm PST
- details ▼
- Wednesday
- Nov 4, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 5mphNE 36°
- Humidity: 70%
- UV index: 1
- Sunrise: 7:01 am PST
- Sunset: 4:43 pm PST
- details ▼
- Thursday
- Nov 5, 2026
- 55°F
- 45°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 6mphNE 55°
- Humidity: 72%
- UV index: 1
- Sunrise: 7:03 am PST
- Sunset: 4:42 pm PST
- details ▼
Forecasts for the ten-day outlook show that a combination of overcast and rain-soaked weather is predicted.
Rainfall is forecasted for Tuesday, Wednesday, Friday and next Thursday.
In the upcoming period, the highest temperature will vary between 48.2°F and 57.2°F, while the lowest temperature will be between 37.4°F and 44.6°F.
With the highest temperature of 57.2°F, next Wednesday will be the warmest day; Wednesday and Friday, with the highest temperature of 48.2°F, will be the coldest days.
Rainfall is forecasted for Tuesday, Wednesday, Friday and next Thursday.
In the upcoming period, the highest temperature will vary between 48.2°F and 57.2°F, while the lowest temperature will be between 37.4°F and 44.6°F.
With the highest temperature of 57.2°F, next Wednesday will be the warmest day; Wednesday and Friday, with the highest temperature of 48.2°F, will be the coldest days.
Updated: Oct 27, 2026 @ 11:40:03 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
In Sumas, a combination of cloudy and damp weather is anticipated for the next ten days.
Rainfall is forecasted for Tuesday, Wednesday, Friday and next Thursday in Sumas. Tuesday, with moderate precipitation of 0.55", will be the day with the most rainfall.
The maximum temperature will range between 48.2°F and 57.2°F, while the minimum temperature will be between 37.4°F and 44.6°F.
Next Wednesday will be the warmest day, with a maximum temperature of 57.2°F. The coldest days will be Wednesday and Friday, with a maximum of 48.2°F.
On Saturday, in Sumas, clouds will hold steady, keeping conditions mostly dim.
No, it will not rain on Saturday.
On Saturday, the highest temperature will be 53.6°F, while the lowest temperature will be 37.4°F.
On Sunday, sunlight and clouds will take turns dominating the sky.
No, it will not rain on Sunday in Sumas.
On Sunday, the maximum temperature in Sumas will be 53.6°F, while the minimum temperature will be 37.4°F.
