Weather forecast for todaySumas, WA

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 1:23 am PDT

  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 2mphE 90°
  • Humidity: 93%
  • Dewpoint: 39°F
  • Pressure: 30.23"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Sumas, a cloudless sky and calm conditions create ideal weather.
The temperature is a chilly 42.8°F. The current temperature is almost at the minimum-predicted 44.6°F for today.

Sunday Oct 18, 2026

  • 61°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphNNE 15°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:34 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
Today, in Sumas, a mix of clouds and blue sky is expected.
A temperature range of an enjoyable 60.8°F to a chilly 44.6°F is forecasted.
Today, the anticipated high temperature will be relatively higher than the average October peak of 56.1°F.
Sunrise will be at 7:34 am and sunset at 6:13 pm; the daylight will last for 10h and 38min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 5 pm 59°C.
Coldest period: 5 am - 8 am 41°C.

Chance of precipitation

Highest chance: 8 pm - 11 pm 5%.

Hourly weather forecast

  • 2 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNE 54°
  • Humidity: 93%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphENE 66°
  • Humidity: 93%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNE 50°
  • Humidity: 87%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:34 am
  • 8 am
  • 41°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNE 53°
  • Humidity: 91%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphNE 40°
  • Humidity: 72%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNE 39°
  • Humidity: 60%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 20°
  • Humidity: 52%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 326°
  • Humidity: 50%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphNW 313°
  • Humidity: 63%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:13 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphWNW 285°
  • Humidity: 81%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphN 353°
  • Humidity: 82%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Sumas, cloudy skies are expected.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 60.8°F. The warmest part of the day will be around 4 pm.
The maximum temperature will be relatively higher than October's average high of 56.1°F. Today, the temperature will drop to a level also in line with October's average minimum of 42.3°F.
Updated: Oct 18, 2026 @ 08:23:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 1:23 am PDT, the temperature is 42.8°F.

On Sunday, intermittent cloud cover is expected, allowing for some sunshine.

Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 44.6°F.
The highest temperature will be moderately higher than the average maximum of 56.1°F in October. The lowest temperature will be in line with the average low of 42.3°F.

On Sunday, in Sumas, sunrise will be at 7:34 am and sunset at 6:13 pm (PDT).

In Sumas, today, there will be 10h and 38min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Sumas, Washington, USA

  • en: Sumas, Washington, USA
  • es: Sumas, Washington, EE.UU.
  • hr: Sumas, Vašington, SAD
  • mk: Sumas, Vašington, SAD
  • sr: Sumas, Vašington, SAD
  • zh: 苏马斯, 华盛顿, 美国
  • Latitude: 49.000122°
  • Longitude: -122.264875°
  • Elevation: 43 ft
  • Current time: 1:55am PDT
  • Sunrise: 7:34 am PDT
  • Sunset: 6:13 pm PDT
  • Timezone: America/Los_Angeles

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