Weather forecast for 10 daysSumas, WA
10-day overview
Daily temperatures
Warmest period: Tuesday - Wednesday 57°C.
Minimum temperature: 48°C.
Minimum temperature: 48°C.
Chance of precipitation
Highest chance: tomorrow 86%.
Long-term weather forecast
- Tuesday
- Oct 27, 2026
- 50°F
- 43°F
Rain
- Precip. probability: 84%
- Precipitation: 0.51"
- Wind: 8mphWSW 241°
- 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: 86%
- Precipitation: 0.28"
- Wind: 6mphSSE 154°
- 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: 39%
- Precipitation: 0.08"
- Wind: 6mphNE 50°
- 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: 5mphNNE 32°
- Humidity: 72%
- 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: 17%
- Precipitation: 0"
- Wind: 4mphNNW 335°
- Humidity: 73%
- UV index: 2
- Sunrise: 7:56 am PDT
- Sunset: 5:48 pm PDT
- details ▼
- Monday
- Nov 2, 2026
- 55°F
- 41°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphNE 35°
- Humidity: 70%
- UV index: 1
- Sunrise: 6:58 am PST
- Sunset: 4:46 pm PST
- details ▼
- Tuesday
- Nov 3, 2026
- 57°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNE 37°
- Humidity: 68%
- 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 38°
- 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: 0.24"
- Wind: 6mphNE 56°
- Humidity: 71%
- UV index: 1
- Sunrise: 7:03 am PST
- Sunset: 4:42 pm PST
- details ▼
Throughout the next ten days, a combination of overcast and showery weather is forecasted.
Rainfall is forecasted for Tuesday, Wednesday, Friday and next Thursday.
In the upcoming days, the maximum 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.
The warmest days will be next Tuesday and Wednesday, with a maximum of 57.2°F; 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 days, the maximum 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.
The warmest days will be next Tuesday and Wednesday, with a maximum of 57.2°F; Wednesday and Friday, with the highest temperature of 48.2°F, will be the coldest days.
Updated: Oct 27, 2026 @ 12:50:43 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 gloomy and showery 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 0.51", 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.
With a maximum temperature of 57.2°F, next Tuesday and Wednesday will be the warmest days. The coldest days will be Wednesday and Friday, with a maximum of 48.2°F.
On Saturday, gray skies will define the day.
No, it will not rain on Saturday.
On Saturday, the maximum temperature will be 53.6°F, while the minimum temperature will be 37.4°F.
On Sunday, in Sumas, moderate cloud cover will mix with sunshine throughout the day.
No, it will not rain on Sunday in Sumas.
On Sunday, the maximum temperature will be 53.6°F, while the minimum temperature will be 37.4°F.
