Hourly Weather Forecast - Marathon, Ontario, CA

3 PM
15°F
30%
9mph
SW
30% Chance of Snow
Humidity
91%
Feels like
4°F
Dew Point
13°F
4 PM
17°F
30%
10mph
SW
30% Chance of Snow
Humidity
95%
Feels like
5°F
Dew Point
16°F
4:49 PM
5 PM
19°F
0%
10mph
SSW
Mostly Cloudy
Humidity
96%
Feels like
7°F
Dew Point
18°F
6 PM
20°F
0%
10mph
SSW
Mostly Cloudy
Humidity
95%
Feels like
9°F
Dew Point
19°F
7 PM
22°F
10%
10mph
SSW
Cloudy
Humidity
94%
Feels like
11°F
Dew Point
20°F
8 PM
24°F
30%
10mph
SSW
30 % Chance of Heavy Snow
Humidity
93%
Feels like
13°F
Dew Point
22°F
9 PM
25°F
30%
9mph
S
30 % Chance of Heavy Snow
Humidity
90%
Feels like
15°F
Dew Point
22°F
10 PM
26°F
50%
9mph
S
50% Chance of Heavy Snow
Humidity
90%
Feels like
17°F
Dew Point
24°F
11 PM
27°F
60%
10mph
S
60% Chance of Flurries
Humidity
90%
Feels like
18°F
Dew Point
25°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