Hourly Weather Forecast - Half Moon Bay, CA

12 AM
59°F
60%
14mph
SSW
60% Chance of Rain
Humidity
87%
Feels like
59°F
Dew Point
56°F
1 AM
60°F
50%
13mph
S
50% Chance of Light Rain
Humidity
88%
Feels like
60°F
Dew Point
56°F
2 AM
59°F
50%
12mph
S
50% Chance of Light Rain
Humidity
89%
Feels like
59°F
Dew Point
56°F
3 AM
59°F
50%
11mph
S
50% Chance of Light Rain
Humidity
89%
Feels like
59°F
Dew Point
56°F
4 AM
60°F
60%
10mph
S
60% Chance of Light Rain
Humidity
89%
Feels like
60°F
Dew Point
56°F
5 AM
60°F
60%
9mph
S
60% Chance of Light Rain
Humidity
89%
Feels like
60°F
Dew Point
57°F
6 AM
60°F
50%
9mph
SSE
50% Chance of Light Rain
Humidity
89%
Feels like
60°F
Dew Point
56°F
7 AM
59°F
60%
9mph
SSE
60% Chance of Rain
Humidity
89%
Feels like
59°F
Dew Point
56°F
7:21 AM
8 AM
58°F
90%
9mph
SSE
Rain
Humidity
91%
Feels like
58°F
Dew Point
56°F
9 AM
56°F
90%
9mph
S
Rain
Humidity
97%
Feels like
56°F
Dew Point
55°F
10 AM
56°F
90%
9mph
S
Rain
Humidity
98%
Feels like
56°F
Dew Point
56°F
11 AM
55°F
90%
10mph
S
Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
12 PM
54°F
90%
9mph
SSW
Rain
Humidity
100%
Feels like
54°F
Dew Point
54°F
1 PM
53°F
90%
9mph
SSW
Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
2 PM
52°F
90%
7mph
SSW
Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
3 PM
52°F
90%
6mph
SW
Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
4 PM
52°F
90%
5mph
SW
Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
4:55 PM
5 PM
52°F
80%
4mph
WSW
80% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
6 PM
54°F
80%
4mph
W
80% Chance of Light Rain
Humidity
97%
Feels like
54°F
Dew Point
53°F
7 PM
54°F
70%
3mph
WNW
70% Chance of Light Rain
Humidity
93%
Feels like
54°F
Dew Point
52°F
8 PM
56°F
60%
2mph
NNW
60% Chance of Light Rain
Humidity
87%
Feels like
56°F
Dew Point
52°F
9 PM
56°F
50%
2mph
NE
50% Chance of Light Rain
Humidity
88%
Feels like
56°F
Dew Point
52°F
10 PM
57°F
40%
3mph
ENE
40% Chance of Light Rain
Humidity
84%
Feels like
57°F
Dew Point
52°F
11 PM
57°F
30%
4mph
E
30% Chance of Light Rain
Humidity
86%
Feels like
57°F
Dew Point
53°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

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

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's 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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide