Hourly Weather Forecast - Gravenhurst, Ontario, CA

12 AM
20°F
0%
4mph
SE
Partly Cloudy
Humidity
95%
Feels like
14°F
Dew Point
19°F
1 AM
21°F
0%
5mph
SSE
Mostly Cloudy
Humidity
96%
Feels like
14°F
Dew Point
20°F
2 AM
22°F
0%
6mph
SSE
Mostly Cloudy
Humidity
96%
Feels like
14°F
Dew Point
21°F
3 AM
23°F
0%
7mph
SSE
Mostly Cloudy
Humidity
96%
Feels like
15°F
Dew Point
22°F
4 AM
24°F
0%
8mph
SSE
Mostly Cloudy
Humidity
97%
Feels like
16°F
Dew Point
23°F
5 AM
25°F
0%
8mph
SSE
Mostly Cloudy
Humidity
96%
Feels like
17°F
Dew Point
24°F
6 AM
27°F
0%
9mph
SSE
Mostly Cloudy
Humidity
93%
Feels like
18°F
Dew Point
25°F
7 AM
29°F
0%
9mph
SSE
Partly Cloudy
Humidity
91%
Feels like
20°F
Dew Point
26°F
7:50 AM
8 AM
30°F
10%
10mph
SSE
Partly Cloudy
Humidity
90%
Feels like
22°F
Dew Point
28°F
9 AM
32°F
10%
10mph
SSE
Partly Cloudy
Humidity
89%
Feels like
23°F
Dew Point
29°F
10 AM
33°F
10%
10mph
SSE
Partly Cloudy
Humidity
88%
Feels like
25°F
Dew Point
30°F
11 AM
34°F
10%
10mph
SSE
Partly Cloudy
Humidity
85%
Feels like
26°F
Dew Point
30°F
12 PM
36°F
10%
11mph
SSE
Partly Cloudy
Humidity
81%
Feels like
28°F
Dew Point
31°F
1 PM
37°F
10%
11mph
S
Mostly Cloudy
Humidity
77%
Feels like
29°F
Dew Point
31°F
2 PM
38°F
20%
11mph
S
Partly Cloudy
Humidity
73%
Feels like
31°F
Dew Point
31°F
3 PM
39°F
30%
11mph
S
30% Chance of Light Rain
Humidity
70%
Feels like
32°F
Dew Point
30°F
4 PM
40°F
30%
11mph
S
30% Chance of Light Rain
Humidity
70%
Feels like
33°F
Dew Point
31°F
4:37 PM
5 PM
40°F
30%
11mph
S
30% Chance of Light Rain
Humidity
72%
Feels like
33°F
Dew Point
31°F
6 PM
39°F
40%
12mph
S
40% Chance of Rain
Humidity
75%
Feels like
32°F
Dew Point
32°F
7 PM
39°F
60%
12mph
S
60% Chance of Rain
Humidity
79%
Feels like
31°F
Dew Point
33°F
8 PM
38°F
80%
12mph
S
80% Chance of Rain
Humidity
82%
Feels like
30°F
Dew Point
33°F
9 PM
38°F
70%
12mph
S
70% Chance of Rain
Humidity
83%
Feels like
30°F
Dew Point
33°F
10 PM
38°F
80%
12mph
S
80% Chance of Rain
Humidity
84%
Feels like
30°F
Dew Point
34°F
11 PM
38°F
90%
11mph
S
Light Rain
Humidity
86%
Feels like
31°F
Dew Point
34°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide