Half Moon Bay, CA Current Weather Conditions

Current weather observations and 72-hour history for Half Moon Bay, CA. • View 5-Day Forecast ›

▼Current Conditions — Half Moon Bay, CA

HALF MOON BAY (KHAF)

Fog/Mist

50.0 F

Humidity:	94%
Wind Speed:	8.1 G 18.3 mph
Barometer:	29.91 in
Dewpoint:	48.2 F
Visibility:	4.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

May 17 2026, 05:55 AM PDT

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▼Hourly Observation History — Half Moon Bay, CA

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
05:55 AM PDT	8.1 G 18.3	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.91	1012.9
05:35 AM PDT	13.9	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.91	1012.9
05:15 AM PDT	11.4 G 21.9	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.91	1012.9
04:55 AM PDT	9.2 G 16.1	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.92	1013.2
04:35 AM PDT	9.2 G 16.1	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.92	1013.2
04:15 AM PDT	8.1 G 15.0	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.92	1013.2
03:55 AM PDT	9.2 G 15.0	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.6
03:35 AM PDT	9.2 G 17.2	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.6
03:15 AM PDT	6.9 G 13.9	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
02:55 AM PDT	8.1	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
02:35 AM PDT	5.8 G 12.8	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
02:15 AM PDT	5.8	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
01:55 AM PDT	4.7	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
01:35 AM PDT	6.9 G 15.0	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
01:15 AM PDT	10.3 G 18.3	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
12:55 AM PDT	23.0 G 30.0	4.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.94	1013.9
12:35 AM PDT	18.3 G 28.9	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.96	1014.6
12:15 AM PDT	18.3 G 26.4	3.00	Fog/Mist	--	50.0	48.2	94%	NA	NA	29.97	1014.9
11:55 PM PDT	17.2	3.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.97	1014.9
11:35 PM PDT	16.1	4.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.98	1015.2
11:15 PM PDT	19.7	4.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.98	1015.2
10:55 PM PDT	15.0	3.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.99	1015.6
10:35 PM PDT	17.2	4.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.98	1015.2
10:15 PM PDT	16.1 G 24.2	4.00	Fog/Mist	--	NULL		%	NA	NA	29.98	1015.2
09:55 PM PDT	16.1 G 24.2	3.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.97	1014.9
09:35 PM PDT	17.2 G 24.2	4.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.98	1015.2
09:15 PM PDT	16.1 G 24.2	4.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.97	1014.9
08:55 PM PDT	20.8 G 30.0	4.00	Mostly Clear and Windy	--	NULL		%	NA	NA	29.97	1014.9
08:35 PM PDT	21.9 G 27.7	4.00	Fog/Mist	--	51.8	48.2	87%	NA	NA	29.97	1014.9
08:15 PM PDT	16.1	3.00	Haze	--	51.8	48.2	87%	NA	NA	29.98	1015.2
07:55 PM PDT	15.0 G 23.0	3.00	Haze	--	53.6	46.4	77%	NA	NA	29.98	1015.2
07:35 PM PDT	13.9 G 20.8	3.00	Haze	--	53.6	48.2	82%	NA	NA	29.97	1014.9
07:15 PM PDT	G 32.2	3.00	Haze	--	53.6	48.2	82%	NA	NA	29.98	1015.2
06:55 PM PDT	G 31.1	3.00	Haze	--	53.6	48.2	82%	NA	NA	29.97	1014.9
06:35 PM PDT	G 34.4	3.00	Haze	--	55.4	48.2	77%	NA	NA	29.98	1015.2
06:15 PM PDT		4.00	Haze	--	55.4	48.2	77%	NA	NA	29.98	1015.2
05:55 PM PDT	21.9 G 35.8	4.00	Haze	--	55.4	48.2	77%	NA	NA	29.99	1015.6
05:35 PM PDT	G 34.4	3.00	Haze	--	55.4	48.2	77%	NA	NA	29.99	1015.6
05:15 PM PDT	G 33.3	4.00	Haze	--	57.2	48.2	72%	NA	NA	29.99	1015.6
04:55 PM PDT	G 30.0	4.00	Haze	--	57.2	48.2	72%	NA	NA	30.00	1015.9
04:35 PM PDT	24.2	4.00	Clear and Windy	--	57.2	48.2	72%	NA	NA	30.00	1015.9
04:15 PM PDT	19.7 G 33.3	4.00	Haze	--	57.2	48.2	72%	NA	NA	30.01	1016.3
03:55 PM PDT	G 31.1	4.00	Haze	--	57.2	48.2	72%	NA	NA	30.01	1016.3
03:35 PM PDT	G 31.1	4.00	Haze	--	59.0	50.0	72%	NA	NA	30.02	1016.6
03:15 PM PDT	G 30.0	4.00	Haze	--	57.2	50.0	77%	NA	NA	30.02	1016.6
02:55 PM PDT	G 27.7	5.00	Haze	--	59.0	50.0	72%	NA	NA	30.03	1016.9
02:35 PM PDT	23.0 G 32.2	4.00	Haze	--	59.0	48.2	67%	NA	NA	30.04	1017.3
02:15 PM PDT	19.7 G 31.1	5.00	Haze	--	59.0	48.2	67%	NA	NA	30.05	1017.6
01:55 PM PDT	17.2 G 30.0	4.00	Haze	--	59.0	50.0	72%	NA	NA	30.04	1017.3
01:35 PM PDT	21.9 G 30.0	5.00	Haze	--	59.0	50.0	72%	NA	NA	30.04	1017.3
01:15 PM PDT	19.7 G 27.7	5.00	Haze	--	59.0	50.0	72%	NA	NA	30.05	1017.6
12:55 PM PDT	16.1 G 31.1	4.00	Haze	--	59.0	50.0	72%	NA	NA	30.05	1017.6
12:35 PM PDT	18.3 G 27.7	5.00	Haze	--	59.0	50.0	72%	NA	NA	30.06	1018.0
12:15 PM PDT	18.3 G 27.7	5.00	Haze	--	59.0	50.0	72%	NA	NA	30.05	1017.6
11:55 AM PDT	20.8 G 30.0	6.00	Haze	--	59.0	50.0	72%	NA	NA	30.06	1018.0
11:35 AM PDT	19.7 G 26.4	5.00	Haze	--	59.0	50.0	72%	NA	NA	30.07	1018.3
11:15 AM PDT	18.3 G 26.4	5.00	Haze	--	57.2	50.0	77%	NA	NA	30.07	1018.3
10:55 AM PDT	21.9 G 30.0	5.00	Haze	--	57.2	50.0	77%	NA	NA	30.07	1018.3
10:35 AM PDT	19.7 G 27.7	4.00	Haze	--	57.2	50.0	77%	NA	NA	30.06	1018.0
10:15 AM PDT	17.2 G 26.4	6.00	Haze	--	57.2	50.0	77%	NA	NA	30.07	1018.3
09:55 AM PDT	15.0 G 27.7	5.00	Haze	--	57.2	50.0	77%	NA	NA	30.06	1018.0
09:35 AM PDT	16.1 G 25.3	5.00	Haze	--	57.2	50.0	77%	NA	NA	30.06	1018.0
09:15 AM PDT	12.8 G 25.3	5.00	Haze	--	55.4	50.0	82%	NA	NA	30.06	1018.0
08:55 AM PDT	13.9 G 23.0	4.00	Haze	--	55.4	50.0	82%	NA	NA	30.06	1018.0
08:35 AM PDT	16.1 G 23.0	4.00	Haze	--	55.4	50.0	82%	NA	NA	30.06	1018.0
08:15 AM PDT	16.1 G 25.3	4.00	Haze	--	53.6	50.0	88%	NA	NA	30.05	1017.6
07:55 AM PDT	19.7 G 27.7	4.00	Clear and Windy	--	NULL		%	NA	NA	30.05	1017.6
07:35 AM PDT	G 26.4	5.00	Fog/Mist	--	53.6	50.0	88%	NA	NA	30.05	1017.6
07:15 AM PDT	12.8 G 20.8	4.00	Fog/Mist	--	51.8	50.0	94%	NA	NA	30.07	1018.3
06:55 AM PDT	17.2 G 25.3	1.75	Fog/Mist	--	51.8	50.0	94%	NA	NA	30.05	1017.6
06:35 AM PDT	17.2 G 25.3	4.00	Fog/Mist	--	51.8	50.0	94%	NA	NA	30.04	1017.3
06:15 AM PDT	G 27.7	4.00	Fog/Mist	--	51.8	50.0	94%	NA	NA	30.04	1017.3