Weather forecast for 10 daysSumas, WA
10-day overview
Daily temperatures
Maximum temperature: 55°C.
Coldest day: Wednesday 48°C.
Coldest day: Wednesday 48°C.
Chance of precipitation
Highest chance: tomorrow 73%.
Long-term weather forecast
- Monday
- Oct 26, 2026
- 55°F
- 46°F
Showers
- Precip. probability: 49%
- Precipitation: 0.08"
- Wind: 5mphS 177°
- Humidity: 75%
- UV index: 1
- Sunrise: 7:47 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 50°F
- 43°F
Rain
- Precip. probability: 73%
- Precipitation: 0.51"
- Wind: 9mphSW 223°
- Humidity: 91%
- UV index: 1
- Sunrise: 7:48 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Wednesday
- Oct 28, 2026
- 48°F
- 41°F
Showers
- Precip. probability: 62%
- Precipitation: 0.39"
- Wind: 5mphESE 113°
- Humidity: 85%
- UV index: 1
- Sunrise: 7:50 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Thursday
- Oct 29, 2026
- 50°F
- 39°F
AM Showers
- Precip. probability: 42%
- Precipitation: 0.04"
- Wind: 7mphNE 47°
- Humidity: 75%
- UV index: 1
- Sunrise: 7:52 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Friday
- Oct 30, 2026
- 52°F
- 36°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphNE 44°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:53 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Saturday
- Oct 31, 2026
- 54°F
- 36°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 4mphN 357°
- Humidity: 72%
- UV index: 2
- Sunrise: 7:55 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Sunday
- Nov 1, 2026
- 52°F
- 37°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 4mphN 359°
- Humidity: 75%
- UV index: 2
- Sunrise: 6:56 am PST
- Sunset: 4:48 pm PST
- details ▼
- Monday
- Nov 2, 2026
- 55°F
- 41°F
Mostly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 5mphNE 36°
- Humidity: 71%
- UV index: 1
- Sunrise: 6:58 am PST
- Sunset: 4:46 pm PST
- details ▼
- Tuesday
- Nov 3, 2026
- 55°F
- 41°F
Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 5mphNNE 32°
- Humidity: 70%
- UV index: 1
- Sunrise: 7:00 am PST
- Sunset: 4:45 pm PST
- details ▼
- Wednesday
- Nov 4, 2026
- 55°F
- 41°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphNE 44°
- Humidity: 71%
- UV index: 1
- Sunrise: 7:01 am PST
- Sunset: 4:43 pm PST
- details ▼
Throughout the next ten days, a combination of overcast and damp weather is predicted.
Rain is predicted for Monday through Thursday.
In the coming days, the highest temperature will vary between 48.2°F and 55.4°F, while the forecast minimum temperature falls between 35.6°F and 46.4°F.
With a maximum temperature of 55.4°F, Monday, next Monday through next Wednesday will be the warmest days; the lowest daytime temperature of the period will be reached on Wednesday, peaking at 48.2°F.
Rain is predicted for Monday through Thursday.
In the coming days, the highest temperature will vary between 48.2°F and 55.4°F, while the forecast minimum temperature falls between 35.6°F and 46.4°F.
With a maximum temperature of 55.4°F, Monday, next Monday through next Wednesday will be the warmest days; the lowest daytime temperature of the period will be reached on Wednesday, peaking at 48.2°F.
Updated: Oct 26, 2026 @ 19:21:41 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 rain-soaked weather is anticipated for the next ten days.
Rain is expected on Monday through Thursday in Sumas. With moderate precipitation of 0.51", Tuesday will be the day with the most rainfall.
The maximum temperature will vary between 48.2°F and 55.4°F, while the minimum temperature will vary between 35.6°F and 46.4°F.
With a maximum temperature of 55.4°F, Monday, next Monday through next Wednesday will be the warmest days. Wednesday will be the coldest day, with a maximum temperature of 48.2°F.
On Saturday, expect a mix of sun and clouds throughout 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 35.6°F.
On Sunday, in Sumas, the sky will feature a blend of clouds and sunshine.
No, it will not rain on Sunday.
On Sunday, the highest temperature in Sumas will be 51.8°F, while the lowest temperature will be 37.4°F.
