Hourly Weather Forecast - San Ysidro, CA

12 AM
55°F
0%
3mph
NNE
Partly Cloudy
Humidity
94%
Feels like
55°F
Dew Point
53°F
1 AM
54°F
0%
3mph
NNE
Partly Cloudy
Humidity
95%
Feels like
54°F
Dew Point
53°F
2 AM
53°F
0%
3mph
NNE
Partly Cloudy
Humidity
96%
Feels like
53°F
Dew Point
52°F
3 AM
52°F
0%
3mph
NNE
Partly Cloudy
Humidity
98%
Feels like
52°F
Dew Point
52°F
4 AM
52°F
0%
3mph
NE
Mostly Cloudy
Humidity
97%
Feels like
52°F
Dew Point
51°F
5 AM
52°F
0%
3mph
NE
Mostly Cloudy
Humidity
95%
Feels like
52°F
Dew Point
51°F
6 AM
54°F
0%
3mph
NE
Mostly Cloudy
Humidity
88%
Feels like
54°F
Dew Point
51°F
6:46 AM
7 AM
56°F
0%
3mph
NE
Mostly Cloudy
Humidity
81%
Feels like
56°F
Dew Point
51°F
8 AM
59°F
0%
3mph
NNE
Partly Cloudy
Humidity
74%
Feels like
59°F
Dew Point
51°F
9 AM
62°F
0%
2mph
NNW
Partly Cloudy
Humidity
70%
Feels like
62°F
Dew Point
52°F
10 AM
64°F
0%
2mph
NW
Mostly Sunny
Humidity
66%
Feels like
64°F
Dew Point
52°F
11 AM
65°F
0%
3mph
NW
Mostly Sunny
Humidity
65%
Feels like
65°F
Dew Point
53°F
12 PM
66°F
0%
4mph
WNW
Partly Cloudy
Humidity
65%
Feels like
66°F
Dew Point
54°F
1 PM
65°F
0%
5mph
WNW
Partly Cloudy
Humidity
67%
Feels like
65°F
Dew Point
54°F
2 PM
64°F
0%
5mph
WNW
Partly Cloudy
Humidity
71%
Feels like
64°F
Dew Point
54°F
3 PM
62°F
0%
5mph
WNW
Partly Cloudy
Humidity
75%
Feels like
62°F
Dew Point
54°F
4 PM
60°F
0%
4mph
WNW
Partly Cloudy
Humidity
80%
Feels like
60°F
Dew Point
54°F
4:46 PM
5 PM
58°F
0%
4mph
WNW
Partly Cloudy
Humidity
83%
Feels like
58°F
Dew Point
53°F
6 PM
58°F
0%
3mph
NW
Mostly Cloudy
Humidity
83%
Feels like
58°F
Dew Point
53°F
7 PM
57°F
0%
2mph
NNW
Mostly Cloudy
Humidity
83%
Feels like
57°F
Dew Point
52°F
8 PM
57°F
0%
2mph
N
Partly Cloudy
Humidity
82%
Feels like
57°F
Dew Point
52°F
9 PM
57°F
0%
3mph
N
Partly Cloudy
Humidity
82%
Feels like
57°F
Dew Point
52°F
10 PM
57°F
0%
3mph
N
Partly Cloudy
Humidity
83%
Feels like
57°F
Dew Point
52°F
11 PM
56°F
0%
3mph
NE
Partly Cloudy
Humidity
84%
Feels like
56°F
Dew Point
52°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

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