Hourly Weather Forecast - Thornbury, Ontario, CA

12 PM
25°F
30%
15mph
SW
30% Chance of Heavy Snow
Humidity
76%
Feels like
12°F
Dew Point
18°F
1 PM
24°F
70%
15mph
SW
70% Chance of Flurries
Humidity
70%
Feels like
12°F
Dew Point
16°F
2 PM
24°F
70%
15mph
SW
70% Chance of Flurries
Humidity
69%
Feels like
11°F
Dew Point
15°F
3 PM
22°F
30%
14mph
SW
30% Chance Snow Showers
Humidity
71%
Feels like
10°F
Dew Point
14°F
4 PM
21°F
10%
13mph
SW
Mostly Cloudy
Humidity
72%
Feels like
9°F
Dew Point
14°F
4:42 PM
5 PM
20°F
10%
12mph
SW
Mostly Cloudy
Humidity
71%
Feels like
8°F
Dew Point
12°F
6 PM
20°F
10%
11mph
SW
Mostly Cloudy
Humidity
70%
Feels like
7°F
Dew Point
11°F
7 PM
19°F
10%
11mph
SW
Mostly Cloudy
Humidity
72%
Feels like
7°F
Dew Point
12°F
8 PM
20°F
30%
11mph
SW
30% Chance of Flurries
Humidity
72%
Feels like
8°F
Dew Point
12°F
9 PM
20°F
30%
10mph
SW
30% Chance of Flurries
Humidity
73%
Feels like
9°F
Dew Point
13°F
10 PM
21°F
30%
10mph
SW
30% Chance Snow Showers
Humidity
75%
Feels like
10°F
Dew Point
14°F
11 PM
21°F
10%
10mph
SW
Mostly Cloudy
Humidity
75%
Feels like
10°F
Dew Point
14°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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