Hourly Weather Forecast - Half Moon Bay, CA

12 AM
56°F
10%
2mph
W
Cloudy
Humidity
72%
Feels like
56°F
Dew Point
47°F
1 AM
56°F
10%
2mph
W
Cloudy
Humidity
73%
Feels like
56°F
Dew Point
47°F
2 AM
56°F
10%
3mph
WSW
Cloudy
Humidity
75%
Feels like
56°F
Dew Point
48°F
3 AM
55°F
10%
3mph
WSW
Cloudy
Humidity
76%
Feels like
55°F
Dew Point
48°F
4 AM
55°F
10%
3mph
SW
Cloudy
Humidity
78%
Feels like
55°F
Dew Point
48°F
5 AM
55°F
10%
4mph
SSW
Cloudy
Humidity
79%
Feels like
55°F
Dew Point
49°F
6 AM
55°F
10%
4mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
55°F
Dew Point
49°F
7 AM
55°F
10%
5mph
S
Mostly Cloudy
Humidity
80%
Feels like
55°F
Dew Point
49°F
7:19 AM
8 AM
55°F
10%
6mph
S
Mostly Cloudy
Humidity
81%
Feels like
55°F
Dew Point
49°F
9 AM
54°F
10%
7mph
S
Mostly Cloudy
Humidity
81%
Feels like
54°F
Dew Point
49°F
10 AM
54°F
10%
8mph
S
Mostly Cloudy
Humidity
82%
Feels like
54°F
Dew Point
49°F
11 AM
54°F
10%
8mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
54°F
Dew Point
49°F
12 PM
54°F
10%
8mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
54°F
Dew Point
49°F
1 PM
53°F
20%
8mph
SW
Partly Cloudy
Humidity
85%
Feels like
53°F
Dew Point
49°F
2 PM
54°F
20%
8mph
SSW
Partly Cloudy
Humidity
85%
Feels like
54°F
Dew Point
49°F
3 PM
54°F
20%
7mph
SSW
Partly Cloudy
Humidity
84%
Feels like
54°F
Dew Point
49°F
4 PM
54°F
20%
6mph
SSW
Partly Cloudy
Humidity
83%
Feels like
54°F
Dew Point
49°F
4:54 PM
5 PM
55°F
30%
6mph
SSW
30% Chance Rain Showers
Humidity
82%
Feels like
55°F
Dew Point
49°F
6 PM
55°F
30%
6mph
S
30% Chance of Light Rain
Humidity
79%
Feels like
55°F
Dew Point
49°F
7 PM
56°F
30%
6mph
S
30% Chance of Light Rain
Humidity
77%
Feels like
56°F
Dew Point
49°F
8 PM
57°F
30%
6mph
S
30% Chance of Light Rain
Humidity
75%
Feels like
57°F
Dew Point
49°F
9 PM
57°F
30%
6mph
S
30% Chance of Light Rain
Humidity
74%
Feels like
57°F
Dew Point
49°F
10 PM
58°F
30%
6mph
S
30% Chance of Light Rain
Humidity
74%
Feels like
58°F
Dew Point
49°F
11 PM
58°F
40%
6mph
S
40% Chance of Light Rain
Humidity
75%
Feels like
58°F
Dew Point
50°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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

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