Weather forecast for 10 daysSumas, WA
10-day overview
Daily temperatures
Maximum temperature: 55°C.
Coldest period: Wednesday - Thursday 48°C.
Coldest period: Wednesday - Thursday 48°C.
Chance of precipitation
Highest chance: Wednesday 70%.
Long-term weather forecast
- Monday
- Oct 26, 2026
- 55°F
- 46°F
AM Showers
- Precip. probability: 43%
- Precipitation: 0.04"
- Wind: 5mphS 174°
- Humidity: 75%
- UV index: 1
- Sunrise: 7:47 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 50°F
- 43°F
Showers
- Precip. probability: 60%
- Precipitation: 0.51"
- Wind: 8mphSW 221°
- Humidity: 90%
- UV index: 1
- Sunrise: 7:48 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Wednesday
- Oct 28, 2026
- 48°F
- 39°F
Light Rain
- Precip. probability: 70%
- Precipitation: 0.35"
- Wind: 6mphESE 102°
- Humidity: 87%
- UV index: 1
- Sunrise: 7:50 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Thursday
- Oct 29, 2026
- 48°F
- 37°F
AM Showers
- Precip. probability: 43%
- Precipitation: 0.04"
- Wind: 7mphNE 48°
- Humidity: 78%
- UV index: 1
- Sunrise: 7:52 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Friday
- Oct 30, 2026
- 52°F
- 34°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 4mphNNE 27°
- Humidity: 71%
- UV index: 1
- Sunrise: 7:53 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Saturday
- Oct 31, 2026
- 54°F
- 36°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 4mphN 0°
- Humidity: 72%
- UV index: 2
- Sunrise: 7:55 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Sunday
- Nov 1, 2026
- 54°F
- 37°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 4mphN 1°
- Humidity: 73%
- UV index: 2
- Sunrise: 6:56 am PST
- Sunset: 4:48 pm PST
- details ▼
- Monday
- Nov 2, 2026
- 54°F
- 41°F
PM Showers
- Precip. probability: 33%
- Precipitation: 0.24"
- 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
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 5mphNE 47°
- Humidity: 71%
- UV index: 1
- Sunrise: 7:00 am PST
- Sunset: 4:45 pm PST
- details ▼
- Wednesday
- Nov 4, 2026
- 54°F
- 41°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 6mphENE 58°
- Humidity: 70%
- UV index: 1
- Sunrise: 7:01 am PST
- Sunset: 4:43 pm PST
- details ▼
For the next ten days, a combination of rainy and gloomy weather is anticipated.
Rain is forecasted for Monday through Thursday, next Monday and Wednesday.
In the upcoming period, the highest temperature will range between 48.2°F and 55.4°F, while the fluctuation in night temperatures will be significant, as temperatures overnight will fluctuate from 33.8°F up to 46.4°F.
The warmest days will be Monday and next Tuesday, with a maximum of 55.4°F; Wednesday and Thursday, with the highest temperature of 48.2°F, will be the coldest days.
Rain is forecasted for Monday through Thursday, next Monday and Wednesday.
In the upcoming period, the highest temperature will range between 48.2°F and 55.4°F, while the fluctuation in night temperatures will be significant, as temperatures overnight will fluctuate from 33.8°F up to 46.4°F.
The warmest days will be Monday and next Tuesday, with a maximum of 55.4°F; Wednesday and Thursday, with the highest temperature of 48.2°F, will be the coldest days.
Updated: Oct 26, 2026 @ 17:15:40 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 rainy and gloomy weather is predicted for the next ten days.
Rain is forecasted for Monday through Thursday, next Monday and Wednesday in Sumas. Tuesday, with moderate precipitation of 0.51", will be the day with the most rainfall.
The maximum temperature will vary between 48.2°F and 55.4°F, as the minimum temperature will vary between 33.8°F and 46.4°F.
The warmest days will be Monday and next Tuesday, with a maximum of 55.4°F. The coldest days will be Wednesday and Thursday, with a maximum of 48.2°F.
On Saturday, in Sumas, mostly clear with scattered clouds is expected.
No, it will not rain on Saturday in Sumas.
On Saturday, the highest temperature will be 53.6°F, while the lowest temperature will be 35.6°F.
On Sunday, in Sumas, thin clouds will pass through at times, but overall, it will remain bright.
No, it will not rain on Sunday.
On Sunday, the maximum temperature in Sumas will be 53.6°F, while the minimum temperature will be 37.4°F.
