Weather forecast for tomorrowSumas, WA
Weather forecast for tomorrow
Sunday Nov 8, 2026
- 55°F
- 39°F
Showers
- Precip. probability: 75%
- Precipitation: 0.2"
- Wind: 16mphSSW 192°
- Humidity: 78%
- UV index: 1
- Sunrise: 7:08 am PST
- Sunset: 4:37 pm PST
- details ▼
On Sunday, in Sumas, expect light showers throughout the day, with a chance of dry weather later.
The likelihood of precipitation for tomorrow is high. However, the rainfall will be light. The temperature variation is forecasted to range from a maximum of a mild 55.4°F to a minimum of a wintry 39.2°F.
Expect temperatures to match October's average maximum of 56.1°F rather than November's 45.7°F.
Sunrise will be at 7:08 am and sunset at 4:37 pm; tomorrow's daylight will last for 9h and 29min.
The likelihood of precipitation for tomorrow is high. However, the rainfall will be light. The temperature variation is forecasted to range from a maximum of a mild 55.4°F to a minimum of a wintry 39.2°F.
Expect temperatures to match October's average maximum of 56.1°F rather than November's 45.7°F.
Sunrise will be at 7:08 am and sunset at 4:37 pm; tomorrow's daylight will last for 9h and 29min.
Hourly overview
Hourly temperatures
Warmest period: 12 am - 3 am 55°C.
Coldest hour: 9 pm 48°C.
Coldest hour: 9 pm 48°C.
Chance of precipitation
Highest chance: 12 am 76%.
Hourly weather forecast
- 12 am
- 55°F
- Feels like:52°F
Rain
- Precip. probability: 76%
- Precipitation: 0.04"
- Wind: 11mphSSW 206°
- Humidity: 89%
- Pressure: 29.68"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 2 am
- 55°F
- Feels like:52°F
Thunderstorms
- Precip. probability: 69%
- Precipitation: 0.04"
- Wind: 14mphSSW 197°
- Humidity: 85%
- Pressure: 29.71"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 4 am
- 55°F
- Feels like:50°F
Scattered Thunderstorms
- Precip. probability: 48%
- Precipitation: 0.04"
- Wind: 15mphSSW 193°
- Humidity: 82%
- Pressure: 29.77"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 6 am
- 54°F
- Feels like:50°F
Light Rain
- Precip. probability: 62%
- Precipitation: 0.04"
- Wind: 16mphSSW 191°
- Humidity: 82%
- Pressure: 29.8"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
Sunrise: 7:08 am
- 8 am
- 52°F
- Feels like:48°F
Showers
- Precip. probability: 52%
- Precipitation: 0.04"
- Wind: 16mphS 191°
- Humidity: 82%
- Pressure: 29.88"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:46°F
Showers
- Precip. probability: 51%
- Precipitation: 0.04"
- Wind: 16mphS 189°
- Humidity: 84%
- Pressure: 29.97"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 12 pm
- 54°F
- Feels like:50°F
Showers
- Precip. probability: 53%
- Precipitation: 0.04"
- Wind: 14mphS 187°
- Humidity: 77%
- Pressure: 30.03"Hg
- Visibility: 5mi
- UV index: 1
- details ▼
- 2 pm
- 55°F
- Feels like:52°F
Showers
- Precip. probability: 38%
- Precipitation: 0.04"
- Wind: 13mphSSW 196°
- Humidity: 74%
- Pressure: 30.06"Hg
- Visibility: 7mi
- UV index: 1
- details ▼
- 4 pm
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphSSW 198°
- Humidity: 72%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 4:37 pm
- 6 pm
- 52°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphS 188°
- Humidity: 77%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 5mphSSE 165°
- Humidity: 83%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Mostly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 5mphE 97°
- Humidity: 82%
- Pressure: 30.15"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of cloud-filled, rain-soaked and turbulent weather is forecasted.
Rainfall is expected from 12 am to 2 pm. With light precipitation of 0.08", most rainfall is expected at 7 am.
The temperature will vary between the lowest temperature of 46.4°F and the highest temperature of 55.4°F. The warmest part of the day will be from midnight to 4 am and at 2 pm.
Tomorrow, the forecasted maximum will be more consistent with October's average high of 56.1°F than November's 45.7°F. The lowest temperature is similar to November's typical minimum of 36.5°F.
Rainfall is expected from 12 am to 2 pm. With light precipitation of 0.08", most rainfall is expected at 7 am.
The temperature will vary between the lowest temperature of 46.4°F and the highest temperature of 55.4°F. The warmest part of the day will be from midnight to 4 am and at 2 pm.
Tomorrow, the forecasted maximum will be more consistent with October's average high of 56.1°F than November's 45.7°F. The lowest temperature is similar to November's typical minimum of 36.5°F.
Updated: Nov 7, 2026 @ 11:18:09 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, expect occasional showers throughout the day, with the rain easing off in the afternoon.
Light precipitation of 0.2" is predicted. The chance of rainfall is 75%.
Tomorrow, the highest temperature will be 55.4°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 45.7°F in November. The lowest temperature tomorrow will be in line with the average low temperature.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 45.7°F in November. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Sumas, sunrise will be at 7:08 am and sunset at 4:37 pm (PST).
In Sumas, the length of the day tomorrow will be 9h and 29min.
