Hourly Weather Forecast - Sumas, WA

12 AM
41°F
60%
5mph
ENE
60% Chance of Light Rain
Humidity
95%
Feels like
38°F
Dew Point
40°F
1 AM
41°F
60%
5mph
E
60% Chance of Light Rain
Humidity
97%
Feels like
37°F
Dew Point
40°F
2 AM
41°F
60%
5mph
E
60% Chance of Light Rain
Humidity
98%
Feels like
37°F
Dew Point
40°F
3 AM
40°F
60%
5mph
E
60% Chance of Light Rain
Humidity
100%
Feels like
37°F
Dew Point
40°F
4 AM
40°F
60%
5mph
E
60% Chance of Light Rain
Humidity
99%
Feels like
36°F
Dew Point
40°F
5 AM
40°F
70%
5mph
E
70% Chance of Light Rain
Humidity
99%
Feels like
36°F
Dew Point
40°F
6 AM
40°F
70%
5mph
E
70% Chance of Light Rain
Humidity
99%
Feels like
36°F
Dew Point
40°F
7 AM
40°F
70%
5mph
ESE
70% Chance of Light Rain
Humidity
98%
Feels like
37°F
Dew Point
40°F
7:53 AM
8 AM
41°F
60%
5mph
ESE
60% Chance of Light Rain
Humidity
97%
Feels like
38°F
Dew Point
40°F
9 AM
42°F
60%
5mph
SE
60% Chance of Light Rain
Humidity
97%
Feels like
39°F
Dew Point
41°F
10 AM
44°F
70%
5mph
SE
70% Chance of Light Rain
Humidity
95%
Feels like
40°F
Dew Point
42°F
11 AM
44°F
80%
5mph
SE
80% Chance of Light Rain
Humidity
94%
Feels like
42°F
Dew Point
43°F
12 PM
45°F
80%
5mph
SSE
80% Chance of Light Rain
Humidity
93%
Feels like
43°F
Dew Point
43°F
1 PM
45°F
80%
5mph
SSE
80% Chance of Light Rain
Humidity
94%
Feels like
43°F
Dew Point
44°F
2 PM
45°F
80%
5mph
SSE
80% Chance of Light Rain
Humidity
95%
Feels like
43°F
Dew Point
44°F
3 PM
44°F
80%
5mph
SSE
80% Chance of Light Rain
Humidity
99%
Feels like
42°F
Dew Point
44°F
4 PM
44°F
70%
5mph
SSE
70% Chance of Light Rain
Humidity
97%
Feels like
41°F
Dew Point
43°F
4:11 PM
5 PM
44°F
60%
5mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
41°F
Dew Point
44°F
6 PM
44°F
60%
5mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
44°F
7 PM
45°F
60%
5mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
8 PM
45°F
70%
5mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
9 PM
45°F
70%
5mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
10 PM
45°F
70%
6mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
11 PM
45°F
60%
5mph
SSE
60% Chance of Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F

Snow Totals Through Tonight

Snow Impacts Great Lakes To New England

A low pressure system spurs a swath of snow from Wisconsin to New England today.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide