Hourly Weather Forecast - San Marcos, CA

1 PM
68°F
0%
4mph
W
Sunny
Humidity
64%
Feels like
68°F
Dew Point
56°F
2 PM
67°F
0%
4mph
W
Sunny
Humidity
68%
Feels like
67°F
Dew Point
56°F
3 PM
64°F
0%
4mph
W
Mostly Sunny
Humidity
73%
Feels like
64°F
Dew Point
55°F
4 PM
62°F
0%
3mph
W
Mostly Sunny
Humidity
78%
Feels like
62°F
Dew Point
55°F
4:43 PM
5 PM
59°F
0%
3mph
W
Mostly Clear
Humidity
83%
Feels like
59°F
Dew Point
54°F
6 PM
58°F
0%
2mph
W
Mostly Clear
Humidity
85%
Feels like
58°F
Dew Point
53°F
7 PM
56°F
0%
1mph
W
Partly Cloudy
Humidity
87%
Feels like
56°F
Dew Point
53°F
8 PM
56°F
0%
1mph
WSW
Partly Cloudy
Humidity
88%
Feels like
56°F
Dew Point
52°F
9 PM
55°F
0%
2mph
ESE
Partly Cloudy
Humidity
88%
Feels like
55°F
Dew Point
51°F
10 PM
54°F
0%
2mph
E
Mostly Clear
Humidity
88%
Feels like
54°F
Dew Point
51°F
11 PM
53°F
0%
2mph
E
Mostly Clear
Humidity
89%
Feels like
53°F
Dew Point
50°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

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

Thursday's Weather Outlook

Thursday'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