Weather forecast for tomorrowSumas, WA
Weather forecast for tomorrow
Monday Nov 9, 2026
- 55°F
- 46°F
PM Showers
- Precip. probability: 81%
- Precipitation: 0.24"
- Wind: 9mphNE 56°
- Humidity: 71%
- UV index: 1
- Sunrise: 7:09 am PST
- Sunset: 4:36 pm PST
- details ▼
Tomorrow, in Sumas, expect brief rain showers to develop during the afternoon.
The likelihood of precipitation is high. However, the rainfall will be light. A mild temperature range, peaking at a moderate 55.4°F and bottoming out at a chilly 46.4°F, is predicted.
With a forecast of 55.4°F, conditions deviate from November's average and instead resemble October's climate trend.
Sunrise will be at 7:09 am and sunset at 4:36 pm; tomorrow's daylight will last for 9h and 26min.
The likelihood of precipitation is high. However, the rainfall will be light. A mild temperature range, peaking at a moderate 55.4°F and bottoming out at a chilly 46.4°F, is predicted.
With a forecast of 55.4°F, conditions deviate from November's average and instead resemble October's climate trend.
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 hour: 3 am 45°C.
Coldest hour: 3 am 45°C.
Chance of precipitation
Highest chance: 6 pm 81%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:46°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 50°
- Humidity: 84%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:43°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphNE 41°
- Humidity: 87%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:43°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 45°
- Humidity: 86%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:43°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNE 51°
- Humidity: 81%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:09 am
- 8 am
- 46°F
- Feels like:43°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNE 49°
- Humidity: 79%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:45°F
Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNE 55°
- Humidity: 74%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 pm
- 52°F
- Feels like:50°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNE 52°
- Humidity: 67%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 2 pm
- 54°F
- Feels like:52°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphENE 62°
- Humidity: 64%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 4 pm
- 54°F
- Feels like:50°F
Showers
- Precip. probability: 38%
- Precipitation: 0.04"
- Wind: 9mphENE 59°
- Humidity: 68%
- Pressure: 29.85"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunset: 4:36 pm
- 6 pm
- 52°F
- Feels like:50°F
Rain
- Precip. probability: 81%
- Precipitation: 0.04"
- Wind: 7mphENE 64°
- Humidity: 74%
- Pressure: 29.83"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 8 pm
- 52°F
- Feels like:48°F
Rain
- Precip. probability: 91%
- Precipitation: 0.08"
- Wind: 6mphENE 59°
- Humidity: 87%
- Pressure: 29.85"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Showers
- Precip. probability: 41%
- Precipitation: 0.04"
- Wind: 6mphSW 219°
- Humidity: 91%
- Pressure: 29.94"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily cloudy and occasionally rain-filled weather is predicted.
Rainfall is expected from 4 pm to 10 pm. With light precipitation of 0.08", the most intense rain will be falling at 7 pm and 8 pm.
The temperature will vary 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 1 pm to 4 pm.
The forecasted maximum is more similar to October's typical high of 56.1°F than the average for November. The expected low will be also more similar to what’s typical in October than in November.
Rainfall is expected from 4 pm to 10 pm. With light precipitation of 0.08", the most intense rain will be falling at 7 pm and 8 pm.
The temperature will vary 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 1 pm to 4 pm.
The forecasted maximum is more similar to October's typical high of 56.1°F than the average for November. The expected low will be also more similar to what’s typical in October than in November.
Updated: Nov 9, 2026 @ 00:38:19 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 Monday, in Sumas, passing showers could bring some wet conditions later in the day.
Light precipitation of 0.24" is forecasted. The likelihood of rainfall is high at 81%.
Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 46.4°F.
The maximum temperature will be noticeably higher than the average highest temperature of 45.7°F in November. The lowest temperature will be also significantly higher than the average low of 36.5°F.
The maximum temperature will be noticeably higher than the average highest temperature of 45.7°F in November. The lowest temperature will be also significantly 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).
In Sumas, tomorrow, there will be 9h and 26min of daylight.
