Weather forecast for tomorrowSumas, WA

Weather forecast for tomorrow

Thursday Nov 5, 2026

  • 55°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • Wind: 7mphSSW 210°
  • Humidity: 83%
  • UV index: 1
  • Sunrise: 7:03 am PST
  • Sunset: 4:42 pm PST
  • ▼
On Thursday, in Sumas, sun and clouds will share the sky, creating a partly cloudy day.
Minimal precipitation is anticipated for tomorrow. A slight temperature fluctuation is predicted, ranging from a high of a refreshing 55.4°F to a low of a brisk 46.4°F.
The expected high of 55.4°F appears seasonally off, better matching October's typical values.
Sunrise will be at 7:03 am and sunset at 4:42 pm; tomorrow's daylight will last for 9h and 39min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 9 am 46°C.

Chance of precipitation

Highest chance: 3 am 55%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    48°F
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 0.04"
  • Wind: 4mphSE 126°
  • Humidity: 90%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 2 am
  • 50°F
  • Feels like:
    48°F
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 0.04"
  • Wind: 5mphSSW 202°
  • Humidity: 90%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 50°F
  • Feels like:
    48°F
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • Wind: 6mphSSW 194°
  • Humidity: 89%
  • Pressure: 30.06"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 48°F
  • Feels like:
    46°F
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 0.04"
  • Wind: 7mphSSW 192°
  • Humidity: 90%
  • Pressure: 30.09"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:03 am
  • 8 am
  • 46°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 5mphSSW 201°
  • Humidity: 96%
  • Pressure: 30.12"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 91%
  • Pressure: 30.18"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 6mphSSW 193°
  • Humidity: 81%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphSW 214°
  • Humidity: 73%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphW 268°
  • Humidity: 71%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:42 pm
  • 6 pm
  • 50°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 4mphNNE 27°
  • Humidity: 83%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphENE 73°
  • Humidity: 87%
  • Pressure: 30.15"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNE 53°
  • Humidity: 85%
  • Pressure: 30.15"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Tomorrow, on Thursday, a combination of cloudy and rainy weather is anticipated.
With minimal precipitation of 0.04", rainfall is predicted from 12 am to 7 am.
The temperature will be between a minimum of 46.4°F and a maximum of 55.4°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. The expected low will be also more similar to what’s typical in October than in November.
Updated: Nov 4, 2026 @ 13:50:27 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, changing cloud patterns will allow for periods of sunshine.

Tomorrow, there is a low probability of minimal rainfall in Sumas.

Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 46.4°F.
The highest temperature will be notably higher than the average maximum of 45.7°F in November. The lowest temperature will be also uncommonly higher than the average low of 36.5°F.

On Thursday, in Sumas, sunrise will be at 7:03 am and sunset at 4:42 pm (PST).

In Sumas, the length of the day tomorrow will be 9h and 39min.