Hourly Weather Forecast - Thornhill, Ontario, CA

11 AM
38°F
0%
6mph
SSE
Partly Cloudy
Humidity
81%
Feels like
33°F
Dew Point
33°F
12 PM
39°F
0%
6mph
SSE
Partly Cloudy
Humidity
78%
Feels like
35°F
Dew Point
33°F
1 PM
41°F
0%
6mph
SSE
Partly Cloudy
Humidity
75%
Feels like
37°F
Dew Point
33°F
2 PM
42°F
0%
6mph
S
Partly Cloudy
Humidity
74%
Feels like
38°F
Dew Point
34°F
3 PM
42°F
10%
6mph
S
Mostly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
34°F
4 PM
42°F
10%
6mph
S
Mostly Cloudy
Humidity
75%
Feels like
39°F
Dew Point
35°F
4:41 PM
5 PM
43°F
10%
7mph
SSE
Mostly Cloudy
Humidity
75%
Feels like
38°F
Dew Point
35°F
6 PM
43°F
30%
7mph
SSE
30% Chance of Light Rain
Humidity
74%
Feels like
39°F
Dew Point
35°F
7 PM
43°F
30%
7mph
SSE
30% Chance of Light Rain
Humidity
73%
Feels like
38°F
Dew Point
35°F
8 PM
43°F
20%
7mph
SSE
Cloudy
Humidity
75%
Feels like
38°F
Dew Point
36°F
9 PM
43°F
50%
8mph
SSE
50% Chance of Light Rain
Humidity
78%
Feels like
38°F
Dew Point
37°F
10 PM
44°F
60%
8mph
SSE
60% Chance of Light Rain
Humidity
80%
Feels like
39°F
Dew Point
38°F
11 PM
44°F
60%
8mph
SSE
60% Chance of Rain
Humidity
82%
Feels like
40°F
Dew Point
39°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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