Hourly Weather Forecast - Half Moon Bay, CA

12 AM
57°F
30%
4mph
ESE
30% Chance of Light Rain
Humidity
86%
Feels like
57°F
Dew Point
53°F
1 AM
57°F
30%
4mph
SE
30% Chance of Light Rain
Humidity
87%
Feels like
57°F
Dew Point
53°F
2 AM
57°F
40%
5mph
SSE
40% Chance of Light Rain
Humidity
88%
Feels like
57°F
Dew Point
53°F
3 AM
57°F
40%
6mph
SSE
40% Chance of Light Rain
Humidity
89%
Feels like
57°F
Dew Point
54°F
4 AM
58°F
40%
7mph
SSE
40% Chance of Light Rain
Humidity
88%
Feels like
58°F
Dew Point
54°F
5 AM
58°F
40%
9mph
SSE
40% Chance of Light Rain
Humidity
88%
Feels like
58°F
Dew Point
54°F
6 AM
57°F
40%
9mph
SSE
40% Chance of Light Rain
Humidity
88%
Feels like
57°F
Dew Point
54°F
7 AM
57°F
40%
10mph
SSE
40% Chance of Light Rain
Humidity
88%
Feels like
57°F
Dew Point
53°F
7:21 AM
8 AM
56°F
40%
11mph
SSE
40% Chance of Light Rain
Humidity
89%
Feels like
56°F
Dew Point
53°F
9 AM
54°F
40%
13mph
SSE
40% Chance of Light Rain
Humidity
93%
Feels like
54°F
Dew Point
52°F
10 AM
55°F
30%
13mph
SSE
30% Chance of Light Rain
Humidity
91%
Feels like
55°F
Dew Point
52°F
11 AM
55°F
30%
15mph
SSE
30% Chance of Light Rain
Humidity
91%
Feels like
55°F
Dew Point
52°F
12 PM
54°F
30%
16mph
SSE
30% Chance of Light Rain
Humidity
91%
Feels like
54°F
Dew Point
52°F
1 PM
54°F
30%
16mph
SSE
30% Chance of Light Rain
Humidity
91%
Feels like
54°F
Dew Point
51°F
2 PM
54°F
30%
17mph
SSE
30% Chance of Light Rain
Humidity
89%
Feels like
54°F
Dew Point
51°F
3 PM
54°F
40%
17mph
SSE
40% Chance of Light Rain
Humidity
87%
Feels like
54°F
Dew Point
50°F
4 PM
54°F
50%
17mph
SSE
50% Chance of Light Rain
Humidity
86%
Feels like
54°F
Dew Point
49°F
4:56 PM
5 PM
54°F
60%
18mph
SSE
60% Chance of Light Rain
Humidity
83%
Feels like
54°F
Dew Point
49°F
6 PM
56°F
70%
18mph
SSE
70% Chance of Light Rain
Humidity
86%
Feels like
56°F
Dew Point
51°F
7 PM
57°F
80%
19mph
SSE
80% Chance of Light Rain
Humidity
85%
Feels like
57°F
Dew Point
52°F
8 PM
58°F
90%
19mph
SSE
Rain
Humidity
81%
Feels like
58°F
Dew Point
53°F
9 PM
59°F
100%
20mph
SSE
Rain
Humidity
82%
Feels like
59°F
Dew Point
54°F
10 PM
60°F
100%
20mph
SSE
Thunderstorms
Humidity
80%
Feels like
60°F
Dew Point
54°F
11 PM
59°F
100%
20mph
S
Thunderstorms
Humidity
83%
Feels like
59°F
Dew Point
54°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

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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

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