Hourly Weather Forecast - Gravenhurst, Ontario, CA

12 PM
34°F
20%
12mph
W
Mostly Cloudy
Humidity
89%
Feels like
25°F
Dew Point
31°F
1 PM
33°F
20%
12mph
WNW
Mostly Cloudy
Humidity
86%
Feels like
24°F
Dew Point
29°F
2 PM
32°F
10%
11mph
WNW
Mostly Cloudy
Humidity
85%
Feels like
23°F
Dew Point
28°F
3 PM
31°F
10%
10mph
WNW
Partly Cloudy
Humidity
83%
Feels like
23°F
Dew Point
27°F
4 PM
30°F
0%
9mph
WNW
Mostly Sunny
Humidity
82%
Feels like
22°F
Dew Point
25°F
4:37 PM
5 PM
28°F
0%
7mph
NW
Mostly Clear
Humidity
83%
Feels like
21°F
Dew Point
24°F
6 PM
26°F
0%
6mph
NW
Mostly Clear
Humidity
86%
Feels like
19°F
Dew Point
22°F
7 PM
24°F
0%
4mph
NW
Mostly Clear
Humidity
84%
Feels like
18°F
Dew Point
20°F
8 PM
22°F
0%
4mph
NNW
Partly Cloudy
Humidity
89%
Feels like
16°F
Dew Point
19°F
9 PM
20°F
0%
3mph
ESE
Partly Cloudy
Humidity
92%
Feels like
20°F
Dew Point
18°F
10 PM
19°F
0%
3mph
SE
Partly Cloudy
Humidity
95%
Feels like
19°F
Dew Point
17°F
11 PM
17°F
0%
4mph
SE
Foggy
Humidity
100%
Feels like
11°F
Dew Point
17°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