Weather forecast for tomorrowSumas, WA

Weather forecast for tomorrow

Wednesday Nov 4, 2026

  • 57°F
  • 48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0.24"
  • Wind: 4mphNNE 33°
  • Humidity: 69%
  • UV index: 1
  • Sunrise: 7:01 am PST
  • Sunset: 4:43 pm PST
  • ▼
Tomorrow, in Sumas, clouds will hold steady, keeping conditions mostly dim.
With a low probability, light precipitation is expected. The daytime temperature will peak at a moderate 57.2°F, slightly differing from the night's low of a brisk 48.2°F.
A forecast high of 57.2°F brings conditions more familiar to October's average than November's.
Sunrise will be at 7:01 am and sunset at 4:43 pm; tomorrow's daylight will last for 9h and 42min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 9 pm 77%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNE 52°
  • Humidity: 82%
  • Pressure: 30.09"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNE 24°
  • Humidity: 83%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphNE 39°
  • Humidity: 82%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphNE 38°
  • Humidity: 85%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:01 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphNE 38°
  • Humidity: 87%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNE 47°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 pm
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 34°
  • Humidity: 62%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNE 30°
  • Humidity: 57%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNW 345°
  • Humidity: 61%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:43 pm
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphN 7°
  • Humidity: 71%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Rain
Rain
  • Precip. probability: 70%
  • Precipitation: 0.04"
  • Wind: 4mphS 174°
  • Humidity: 80%
  • Pressure: 29.97"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    48°F
Light Rain
Light Rain
  • Precip. probability: 68%
  • Precipitation: 0.04"
  • Wind: 4mphESE 117°
  • Humidity: 87%
  • Pressure: 29.97"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
Tomorrow, primarily cloud-filled and occasionally rain-soaked weather is predicted.
With minimal precipitation of 0.04", rainfall is predicted from 7 pm to 11 pm.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 55.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more alike with October's average maximum of 56.1°F than November's usual of 45.7°F. The lowest temperature is also expected to be more in line with October's minimum average of 42.3°F than November's 36.5°F.
Updated: Nov 4, 2026 @ 03:02:21 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect a cloud-dominated atmosphere throughout.

Light precipitation of 0.24" is predicted. The chance of rainfall is low at 9%.

Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be notably higher than the average highest temperature of 45.7°F in November. The lowest temperature will be also uncommonly higher than the average low of 36.5°F.

On Wednesday, in Sumas, sunrise will be at 7:01 am and sunset at 4:43 pm (PST).

In Sumas, tomorrow, there will be 9h and 42min of daylight.