Hourly Weather Forecast - San Ysidro, CA

12 AM
61°F
90%
9mph
S
Rain
Humidity
100%
Feels like
61°F
Dew Point
61°F
1 AM
60°F
90%
9mph
S
Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
2 AM
60°F
80%
9mph
S
80% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
3 AM
59°F
80%
9mph
SSE
80% Chance of Light Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
4 AM
58°F
70%
9mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
5 AM
58°F
70%
9mph
SSE
70% Chance Rain Showers
Humidity
100%
Feels like
58°F
Dew Point
58°F
6 AM
59°F
70%
9mph
S
70% Chance Rain Showers
Humidity
100%
Feels like
59°F
Dew Point
59°F
6:47 AM
7 AM
60°F
80%
9mph
S
80% Chance Rain Showers
Humidity
100%
Feels like
60°F
Dew Point
60°F
8 AM
62°F
90%
10mph
S
Rain Showers
Humidity
97%
Feels like
62°F
Dew Point
61°F
9 AM
62°F
90%
11mph
S
Rain Showers
Humidity
93%
Feels like
62°F
Dew Point
60°F
10 AM
62°F
100%
11mph
SSW
Rain Showers
Humidity
94%
Feels like
62°F
Dew Point
61°F
11 AM
62°F
100%
12mph
SSW
Rain Showers
Humidity
95%
Feels like
62°F
Dew Point
60°F
12 PM
61°F
90%
12mph
SSW
Rain Showers
Humidity
97%
Feels like
61°F
Dew Point
60°F
1 PM
60°F
100%
11mph
SSW
Light Rain
Humidity
98%
Feels like
60°F
Dew Point
60°F
2 PM
59°F
100%
11mph
SSW
Light Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
3 PM
58°F
90%
11mph
SSW
Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
4 PM
57°F
90%
10mph
SSW
Rain Showers
Humidity
100%
Feels like
57°F
Dew Point
57°F
4:48 PM
5 PM
56°F
80%
8mph
SSW
80% Chance Rain Showers
Humidity
100%
Feels like
56°F
Dew Point
56°F
6 PM
57°F
70%
7mph
S
70% Chance Rain Showers
Humidity
97%
Feels like
57°F
Dew Point
56°F
7 PM
58°F
60%
6mph
S
60% Chance Rain Showers
Humidity
92%
Feels like
58°F
Dew Point
55°F
8 PM
58°F
50%
6mph
S
50% Chance Rain Showers
Humidity
90%
Feels like
58°F
Dew Point
55°F
9 PM
57°F
50%
5mph
S
50% Chance Rain Showers
Humidity
90%
Feels like
57°F
Dew Point
55°F
10 PM
57°F
50%
5mph
S
50% Chance Rain Showers
Humidity
91%
Feels like
57°F
Dew Point
54°F
11 PM
56°F
50%
5mph
S
50% Chance Rain Showers
Humidity
93%
Feels like
56°F
Dew Point
54°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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