Napa, CA Current Weather Conditions

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

▼Current Conditions — Napa, CA

PETALUMA (KO69)

Fog

46.4 F

Humidity:	100%
Wind Speed:	4.7 mph
Barometer:	30.05 in
Dewpoint:	46.4 F
Visibility:	0.25 mi
Precip:	--
Heat Index:	NA
Wind Chill:	44.2 F

Oct 23 2026, 06:15 AM PDT

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▼Hourly Observation History — Napa, 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)
06:15 AM PDT	4.7	0.25	Fog	--	46.4	46.4	100%	44.2	NA	30.05	1017.6
05:30 AM PDT	0.0	0.25	Fog	--	46.4	46.4	100%	NA	NA	30.04	1017.3
05:15 AM PDT	0.0	0.25	Fog	--	46.4	46.4	100%	NA	NA	30.03	1016.9
04:55 AM PDT	0.0	0.25	Fog	--	46.4	46.4	100%	NA	NA	30.03	1016.9
03:55 AM PDT	0.0	0.25	Fog	--	46.4	46.4	100%	NA	NA	30.02	1016.6
03:30 AM PDT	0.0	0.25	Fog	--	48.2	48.2	100%	NA	NA	30.01	1016.3
03:15 AM PDT	0.0	1.00	Fog/Mist	--	46.4	46.4	100%	NA	NA	30.02	1016.6
02:55 AM PDT	0.0	0.25	Fog	--	NULL	44.6	%	NA	NA	30.01	1016.3
02:30 AM PDT	0.0	0.75	Fog/Mist	--	46.4	46.4	100%	NA	NA	30.01	1016.3
01:30 AM PDT	0.0	4.00	Fog/Mist	--	48.2	48.2	100%	NA	NA	30.00	1015.9
01:15 AM PDT		6.00	Fog/Mist	--	NULL		%	NA	NA		M
12:55 AM PDT	0.0	6.00	Fog/Mist	--	NULL	46.4	%	NA	NA	30.00	1015.9
12:15 AM PDT	0.0	9.00	Cloudy	--	50.0	50.0	100%	NA	NA	29.98	1015.2
11:55 PM PDT	0.0	9.00	Cloudy	--	50.0	50.0	100%	NA	NA	29.99	1015.6
11:35 PM PDT	0.0	10.00	Cloudy	--	50.0	50.0	100%	NA	NA	29.99	1015.6
10:55 PM PDT		10.00	Cloudy	--	NULL		%	NA	NA		M
10:35 PM PDT	W 5.8	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.97	1014.9
10:15 PM PDT		10.00	Cloudy	--	NULL		%	NA	NA		M
09:55 PM PDT	W 5.8	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.96	1014.6
09:35 PM PDT	5.8	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.96	1014.6
09:10 PM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
08:35 PM PDT		10.00	Cloudy	--	NULL		%	NA	NA		M
08:10 PM PDT	5.8	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.94	1013.9
07:10 PM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.94	1013.6
06:55 PM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.92	1013.2
06:35 PM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.92	1013.2
05:55 PM PDT	0.0	10.00	Mostly Cloudy	--	55.4	55.4	100%	NA	NA	29.92	1013.2
05:35 PM PDT	W 6.9	4.00	Fog/Mist	--	55.4	55.4	100%	NA	NA	29.92	1013.2
04:55 PM PDT	W 11.4	5.00	Fog/Mist	--	57.2	57.2	100%	NA	NA	29.92	1013.2
04:30 PM PDT	0.0	6.00	Fog/Mist	--	57.2	57.2	100%	NA	NA	29.92	1013.2
06:15 AM PDT	0.0	8.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.85	1010.8
05:55 AM PDT	3.4	8.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.84	1010.5
05:30 AM PDT	5.8	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.83	1010.2
05:15 AM PDT		10.00	Cloudy	--	NULL		%	NA	NA		M
04:55 AM PDT	0.0	9.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.83	1010.2
04:30 AM PDT	0.0	4.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.82	1009.8
04:15 AM PDT		3.00	Fog/Mist	--	NULL		%	NA	NA		M
03:55 AM PDT	0.0	2.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.82	1009.8
03:30 AM PDT	3.4	4.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.82	1009.8
03:15 AM PDT	0.0	5.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.82	1009.8
02:55 AM PDT	0.0	6.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.83	1010.2
02:30 AM PDT	0.0	5.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.83	1010.2
02:15 AM PDT	0.0	4.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.83	1010.2
01:55 AM PDT	0.0	3.00	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.83	1010.2
01:30 AM PDT	0.0	0.75	Fog/Mist	--	53.6	53.6	100%	NA	NA	29.83	1010.2
01:15 AM PDT		1.75	Fog/Mist	--	NULL		%	NA	NA		M
12:55 AM PDT	0.0	9.00	Cloudy	--	51.8	51.8	100%	NA	NA	29.83	1010.2
12:30 AM PDT	0.0	10.00	Cloudy	--	51.8	51.8	100%	NA	NA	29.83	1010.2
12:15 AM PDT	0.0	10.00	Mostly Cloudy	--	NULL	50.0	%	NA	NA	29.84	1010.5
11:55 PM PDT	SE 4.7	10.00	Mostly Clear	--	51.8	51.8	100%	NA	NA	29.84	1010.5
11:35 PM PDT	0.0	10.00	Mostly Clear	--	51.8	51.8	100%	NA	NA	29.83	1010.2
11:10 PM PDT	3.4	10.00	Mostly Clear	--	51.8	51.8	100%	NA	NA	29.83	1010.2
10:55 PM PDT	0.0	10.00	Partly Cloudy	--	51.8	51.8	100%	NA	NA	29.84	1010.5
10:35 PM PDT	0.0	10.00	Partly Cloudy	--	51.8	51.8	100%	NA	NA	29.84	1010.5
10:10 PM PDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
09:55 PM PDT	0.0	10.00	Mostly Cloudy	--	53.6	53.6	100%	NA	NA	29.84	1010.5
09:35 PM PDT	0.0	10.00	Cloudy	--	53.6	51.8	94%	NA	NA	29.84	1010.5
09:10 PM PDT		10.00	Mostly Cloudy	--	NULL		%	NA	NA		M
08:55 PM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.84	1010.5
08:35 PM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.85	1010.8
08:10 PM PDT	0.0	10.00	Cloudy	--	57.2	57.2	100%	NA	NA	29.85	1010.8
07:55 PM PDT	0.0	10.00	Cloudy	--	57.2	57.2	100%	NA	NA	29.85	1010.8
07:30 PM PDT	0.0	10.00	Cloudy	--	59.0	59.0	100%	NA	NA	29.85	1010.8
07:10 PM PDT		10.00	Cloudy	--	NULL		%	NA	NA		M
06:55 PM PDT	S 3.4	10.00	Cloudy	--	59.0	59.0	100%	NA	NA	29.83	1010.2
06:35 PM PDT	0.0	10.00	Cloudy	--	59.0	59.0	100%	NA	NA	29.83	1010.2
06:10 PM PDT	0.0	10.00	Cloudy	--	59.0	57.2	94%	NA	NA	29.84	1010.5
05:55 PM PDT	0.0	10.00	Mostly Cloudy	--	59.0	57.2	94%	NA	NA	29.83	1010.2
05:35 PM PDT	NE 3.4	9.00	Partly Cloudy	--	59.0	57.2	94%	NA	NA	29.84	1010.5
05:10 PM PDT	6.9	5.00	Haze	--	60.8	55.4	82%	NA	NA	29.86	1011.2
04:50 PM PDT	0.0	6.00	Haze	--	64.4	51.8	64%	NA	NA	29.86	1011.2
04:35 PM PDT	0.0	10.00	Cloudy	--	66.2	50.0	56%	NA	NA	29.86	1011.2