Weather forecast for tomorrowSumas, WA
Weather forecast for tomorrow
Monday Nov 9, 2026
- 55°F
- 46°F
PM Showers
- Precip. probability: 76%
- Precipitation: 0.24"
- Wind: 9mphNE 56°
- Humidity: 72%
- UV index: 1
- Sunrise: 7:09 am PST
- Sunset: 4:36 pm PST
- details ▼
Tomorrow, on Monday, prepare for occasional showers in the afternoon.
The chance of precipitation is high. However, the rainfall will be light. Temperatures will exhibit minor fluctuations, extending from a high of a mild 55.4°F to a low of a chilly 46.4°F.
A forecast high of 55.4°F brings conditions more familiar to October's average than November's.
Sunrise will be at 7:09 am and sunset at 4:36 pm; tomorrow's daylight will last for 9h and 26min.
The chance of precipitation is high. However, the rainfall will be light. Temperatures will exhibit minor fluctuations, extending from a high of a mild 55.4°F to a low of a chilly 46.4°F.
A forecast high of 55.4°F brings conditions more familiar to October's average than November's.
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 period: 3 am - 6 am 45°C.
Coldest period: 3 am - 6 am 45°C.
Chance of precipitation
Highest chance: 6 pm 76%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 54°
- Humidity: 87%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNE 38°
- Humidity: 90%
- 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 44°
- Humidity: 87%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:43°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNE 51°
- Humidity: 82%
- 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 50°
- Humidity: 80%
- 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: 76%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 pm
- 52°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNE 52°
- Humidity: 67%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 2 pm
- 54°F
- Feels like:52°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphENE 60°
- Humidity: 65%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 4 pm
- 54°F
- Feels like:50°F
Showers
- Precip. probability: 46%
- Precipitation: 0.04"
- Wind: 9mphENE 58°
- Humidity: 69%
- Pressure: 29.85"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunset: 4:36 pm
- 6 pm
- 52°F
- Feels like:48°F
Rain
- Precip. probability: 76%
- Precipitation: 0.04"
- Wind: 8mphENE 65°
- Humidity: 76%
- Pressure: 29.85"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 8 pm
- 50°F
- Feels like:48°F
Light Rain
- Precip. probability: 65%
- Precipitation: 0.04"
- Wind: 6mphENE 74°
- Humidity: 85%
- Pressure: 29.85"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Light Rain
- Precip. probability: 63%
- Precipitation: 0.04"
- Wind: 6mphENE 76°
- Humidity: 90%
- Pressure: 29.91"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily dull and occasionally rainy weather is forecasted.
With minimal precipitation of 0.04", rainfall is anticipated from 4 pm to 11 pm.
The temperature will be 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 day’s peak temperature will reflect October's norm of 56.1°F more than November's 45.7°F. Forecasts show a temperature also more consistent with October's average minimum of 42.3°F rather than the November average of 36.5°F.
With minimal precipitation of 0.04", rainfall is anticipated from 4 pm to 11 pm.
The temperature will be 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 day’s peak temperature will reflect October's norm of 56.1°F more than November's 45.7°F. Forecasts show a temperature also more consistent with October's average minimum of 42.3°F rather than the November average of 36.5°F.
Updated: Nov 8, 2026 @ 20:17:29 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, expect brief rain showers to develop during the afternoon.
With a probability of 76%, light precipitation of 0.24" is forecasted.
Tomorrow, the highest temperature will be 55.4°F, while the lowest temperature will be 46.4°F.
The highest temperature will be significantly 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.
The highest temperature will be significantly 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 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.





