Weather forecast for 10 days
Sumas, WA

Weather forecast for the weekend

Saturday, May 10.

Cloudy
5:30 am

8:40 pm
PDT
Cloudy
63°F / 48°F
  • Wind: 7mph SW
  • Humidity: 60%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 4
On Saturday, May 10, the sky will remain cloudy throughout.
Rainfall is not forecasted. Temperature fluctuations between an enjoyable 62.6°F and a frosty 48.2°F are anticipated.
The highest temperature is predicted to follow the average for May, around 62.6°F.
Sunrise will be at 5:30 am and sunset at 8:40 pm; the daylight will last for 15h and 9min.

Sunday, May 11.

Showers
5:29 am

8:41 pm
PDT
Showers
55°F / 46°F
  • Wind: 8mph SW
  • Humidity: 76%
  • Precip. probability: 44%
  • Precipitation: 0.12"
  • UV index: 3
On Sunday, May 11, showers are expected, with occasional breaks in the rain throughout the day.
Minimal precipitation is predicted. Slight changes in temperature are anticipated, reaching a high of a moderate 55.4°F and decreasing to a low of a brisk 46.4°F.
On Sunday, the expected high of 55.4°F is expected to reflect April's average high of 54°F.
Sunrise will be at 5:29 am and sunset at 8:41 pm; the daylight will last for 15h and 12min.

Frequently asked questions

What is the weather forecast for Sumas for Saturday?
On Saturday, in Sumas, extensive cloud cover will block out the sun.
Will it rain on Saturday in Sumas?
No, it will not rain on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 62.6°F, while the minimum temperature will be 48.2°F.
What is the weather forecast for Sumas for Sunday?
On Sunday, in Sumas, expect light rain showers throughout the day, with a break in the rain later in the day.
Will it rain on Sunday in Sumas?
On Sunday, there is a low probability of minimal rainfall in Sumas.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 55.4°F, while the lowest temperature will be 46.4°F.
What is the weather forecast for Sumas for the next ten days?
In Sumas, a combination of cloudy and showery weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is expected on Wednesday, Thursday, Sunday through next Wednesday in Sumas. With light precipitation of 0.2", Monday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 55.4°F and 68°F, while the minimum temperature will be between 42.8°F and 50°F.
What will be the warmest and the coldest days?
Next Friday will be the warmest day, with a maximum temperature of 68°F. Sunday will be the coldest day, with a maximum temperature of 55.4°F.

Long-term weather forecast

WedMay 7.
  • 61°F
  • 43°F
PM Showers
PM Showers
  • Wind: 11mph SW
  • Humidity: 70%
  • UV index: 4
  • Precip. probability: 56%
  • Precipitation: 0.04"
  • 5:35 am 8:35 pm PDT
ThuMay 8.
  • 63°F
  • 45°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph SW
  • Humidity: 55%
  • UV index: 5
  • Precip. probability: 11%
  • Precipitation: 0.12"
  • 5:33 am 8:37 pm PDT
FriMay 9.
  • 66°F
  • 50°F
Cloudy
Cloudy
  • Wind: 7mph WSW
  • Humidity: 50%
  • UV index: 3
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:32 am 8:38 pm PDT
SatMay 10.
  • 63°F
  • 48°F
Cloudy
Cloudy
  • Wind: 7mph SW
  • Humidity: 60%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:30 am 8:40 pm PDT
SunMay 11.
  • 55°F
  • 46°F
Showers
Showers
  • Wind: 8mph SW
  • Humidity: 76%
  • UV index: 3
  • Precip. probability: 44%
  • Precipitation: 0.12"
  • 5:29 am 8:41 pm PDT
MonMay 12.
  • 63°F
  • 46°F
Cloudy
Cloudy
  • Wind: 9mph WSW
  • Humidity: 67%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0.2"
  • 5:27 am 8:42 pm PDT
TueMay 13.
  • 61°F
  • 48°F
AM Showers
AM Showers
  • Wind: 9mph SW
  • Humidity: 71%
  • UV index: 4
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • 5:26 am 8:44 pm PDT
WedMay 14.
  • 64°F
  • 46°F
Cloudy
Cloudy
  • Wind: 9mph SW
  • Humidity: 64%
  • UV index: 4
  • Precip. probability: 22%
  • Precipitation: 0.08"
  • 5:25 am 8:45 pm PDT
ThuMay 15.
  • 66°F
  • 48°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph SW
  • Humidity: 61%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:23 am 8:46 pm PDT
FriMay 16.
  • 68°F
  • 48°F
PM Showers
PM Showers
  • Wind: 8mph SW
  • Humidity: 62%
  • UV index: 5
  • Precip. probability: 33%
  • Precipitation: 0"
  • 5:22 am 8:48 pm PDT
Over the next ten days, a combination of gloomy and rain-soaked weather is anticipated.
Rainfall is predicted for Wednesday, Thursday, Sunday through next Wednesday.
Temperature variation will be noticeable over the next several days. The temperature is expected to swing from 55.4°F up to 68°F, while the forecast minimum temperature falls between 42.8°F and 50°F.
Next Friday will be the warmest day, with a maximum temperature of 68°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 55.4°F.
Updated: May 7, 2025 @ 10:00:10 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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