Hourly Weather Forecast - Gravenhurst, Ontario, CA

10 AM
35°F
0%
10mph
SSE
Partly Cloudy
Humidity
87%
Feels like
27°F
Dew Point
31°F
11 AM
36°F
0%
10mph
SSE
Mostly Cloudy
Humidity
85%
Feels like
28°F
Dew Point
32°F
12 PM
37°F
0%
10mph
SSE
Mostly Cloudy
Humidity
81%
Feels like
30°F
Dew Point
32°F
1 PM
38°F
0%
11mph
SSE
Partly Cloudy
Humidity
77%
Feels like
31°F
Dew Point
31°F
2 PM
39°F
10%
11mph
SSE
Mostly Cloudy
Humidity
74%
Feels like
32°F
Dew Point
31°F
3 PM
40°F
10%
11mph
S
Mostly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
31°F
4 PM
40°F
10%
12mph
S
Mostly Cloudy
Humidity
71%
Feels like
33°F
Dew Point
32°F
4:37 PM
5 PM
41°F
30%
12mph
SSE
30% Chance Rain Showers
Humidity
72%
Feels like
34°F
Dew Point
32°F
6 PM
41°F
30%
12mph
SSE
30% Chance of Light Rain
Humidity
74%
Feels like
34°F
Dew Point
33°F
7 PM
41°F
30%
12mph
SSE
30% Chance of Rain
Humidity
75%
Feels like
34°F
Dew Point
34°F
8 PM
41°F
30%
13mph
SSE
30% Chance of Light Rain
Humidity
76%
Feels like
34°F
Dew Point
34°F
9 PM
41°F
40%
13mph
SSE
40% Chance of Light Rain
Humidity
76%
Feels like
33°F
Dew Point
34°F
10 PM
40°F
60%
13mph
SSE
60% Chance of Light Rain
Humidity
79%
Feels like
33°F
Dew Point
34°F
11 PM
40°F
70%
13mph
SSE
70% Chance of Rain
Humidity
82%
Feels like
33°F
Dew Point
35°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide