Weather forecast for tomorrowSumas, WA

Weather forecast for tomorrow

Monday Nov 9, 2026

  • 54°F
  • 46°F
PM Rain
PM Rain
  • Precip. probability: 76%
  • Precipitation: 0.24"
  • Wind: 9mphNE 56°
  • Humidity: 71%
  • UV index: 1
  • Sunrise: 7:09 am PST
  • Sunset: 4:36 pm PST
  • ▼
On Monday, November 9, afternoon rain is expected to roll in, bringing a wet finish to the day.
The likelihood of precipitation for tomorrow is high. However, the rainfall will be light. Minor temperature variations are forecasted, peaking at a maximum of a cool 53.6°F and dropping to a minimum of a brisk 46.4°F.
The day's peak of 53.6°F reflects October's seasonal pattern more than November's.
Sunrise will be at 7:09 am and sunset at 4:36 pm; tomorrow's daylight will last for 9h and 26min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 54°C.
Coldest period: 3 am - 6 am 45°C.

Chance of precipitation

Highest chance: 6 pm 77%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    45°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNE 56°
  • Humidity: 86%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphNE 42°
  • Humidity: 88%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    41°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNE 43°
  • Humidity: 87%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    41°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNE 50°
  • Humidity: 84%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:09 am
  • 8 am
  • 46°F
  • Feels like:
    43°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphNE 49°
  • Humidity: 80%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    45°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNE 56°
  • Humidity: 76%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 pm
  • 52°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphNE 55°
  • Humidity: 67%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphENE 57°
  • Humidity: 64%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 54°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphENE 56°
  • Humidity: 65%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunset: 4:36 pm
  • 6 pm
  • 52°F
  • Feels like:
    48°F
Rain
Rain
  • Precip. probability: 77%
  • Precipitation: 0.04"
  • Wind: 8mphENE 66°
  • Humidity: 74%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Rain
Rain
  • Precip. probability: 91%
  • Precipitation: 0.08"
  • Wind: 6mphENE 69°
  • Humidity: 87%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    48°F
Light Rain
Light Rain
  • Precip. probability: 64%
  • Precipitation: 0.04"
  • Wind: 6mphENE 70°
  • Humidity: 90%
  • Pressure: 29.91"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of gloomy and wet weather is anticipated.
Rainfall is predicted from 5 pm to 10 pm. With light precipitation of 0.08", most rainfall is expected at 8 pm.
The temperature will be between the lowest temperature of 44.6°F and the highest temperature of 53.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect October's norm of 56.1°F more than November's 45.7°F. Forecasts show a temperature also more similar to October's average minimum of 42.3°F rather than the November average of 36.5°F.
Updated: Nov 8, 2026 @ 17:32:01 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, afternoon rainfall is expected, making it a wet end to the day.

Light precipitation of 0.24" is predicted. The likelihood of rainfall is 76%.

Tomorrow, the maximum temperature will be 53.6°F, while the minimum temperature will be 46.4°F.
The highest temperature will be a few degrees higher than the average maximum of 45.7°F in November. The lowest temperature will be noticeably higher than the average low of 36.5°F.

On Monday, in Sumas, sunrise will be at 7:09 am and sunset at 4:36 pm (PST).

Tomorrow, the daylight will last for 9h and 26min.