Nicasio, CA Current Weather Conditions

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

▼Current Conditions — Nicasio, CA

PETALUMA (KO69)

Cloudy

53.6 F

Humidity:	100%
Wind Speed:	W 9.2 mph
Barometer:	29.96 in
Dewpoint:	53.6 F
Visibility:	9.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Sep 22 2026, 12:30 AM PDT

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▼Hourly Observation History — Nicasio, 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)
12:30 AM PDT	W 9.2	9.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.96	1014.6
12:15 AM PDT	5.8 G 12.8	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.96	1014.6
11:55 PM PDT	3.4	9.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.96	1014.6
11:35 PM PDT		10.00	Cloudy	--	NULL		%	NA	NA		M
11:10 PM PDT	6.9	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.96	1014.6
10:55 PM PDT	W 5.8	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.97	1014.9
10:35 PM PDT	5.8	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.97	1014.9
10:15 PM PDT	6.9	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.97	1014.9
09:55 PM PDT	6.9	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.97	1014.9
09:35 PM PDT	0.0	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.97	1014.9
09:10 PM PDT	3.4	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.96	1014.6
08:55 PM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.96	1014.6
08:35 PM PDT	4.7	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.96	1014.6
08:10 PM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.95	1014.2
07:55 PM PDT	4.7	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.95	1014.2
07:35 PM PDT	NW 4.7	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.95	1014.2
07:10 PM PDT	NW 4.7	10.00	Partly Cloudy	--	55.4	53.6	94%	NA	NA	29.94	1013.9
06:50 PM PDT	4.7	10.00	Clear	--	57.2	53.6	88%	NA	NA	29.94	1013.9
06:35 PM PDT	4.7	10.00	Clear	--	59.0	53.6	82%	NA	NA	29.94	1013.6
06:10 PM PDT	6.9	10.00	Clear	--	60.8	53.6	77%	NA	NA	29.92	1013.2
05:55 PM PDT	5.8 G 13.9	10.00	Clear	--	60.8	53.6	77%	NA	NA	29.92	1013.2
05:35 PM PDT	5.8 G 13.9	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.92	1013.2
05:10 PM PDT	NW 8.1 G 15.0	10.00	Clear	--	64.4	53.6	68%	NA	NA	29.92	1013.2
04:50 PM PDT	9.2 G 16.1	10.00	Clear	--	68.0	53.6	60%	NA	NA	29.91	1012.9
04:35 PM PDT	NW 8.1	10.00	Clear	--	68.0	53.6	60%	NA	NA	29.91	1012.9
04:10 PM PDT	6.9 G 17.2	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.91	1012.9
03:50 PM PDT	5.8 G 15.0	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.91	1012.9
03:35 PM PDT	W 12.8	10.00	Clear	--	73.4	53.6	50%	NA	72.9	29.90	1012.5
03:10 PM PDT	9.2	10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.90	1012.5
02:50 PM PDT	0.0	10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.90	1012.5
02:35 PM PDT	0.0	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.91	1012.9
02:10 PM PDT	0.0	10.00	Clear	--	73.4	53.6	50%	NA	72.9	29.92	1013.2
01:50 PM PDT	0.0	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.94	1013.6
01:35 PM PDT	0.0	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.94	1013.6
01:10 PM PDT	4.7	10.00	Clear	--	69.8	51.8	53%	NA	NA	29.94	1013.9
12:50 PM PDT	0.0	10.00	Clear	--	68.0	53.6	60%	NA	NA	29.94	1013.9
12:30 PM PDT	0.0	10.00	Clear	--	66.2	53.6	64%	NA	NA	29.95	1014.2
11:30 AM PDT	4.7	10.00	Cloudy	--	59.0	53.6	82%	NA	NA	29.97	1014.9
11:10 AM PDT	0.0	10.00	Cloudy	--	59.0	53.6	82%	NA	NA	29.97	1014.9
10:50 AM PDT	0.0	10.00	Cloudy	--	57.2	53.6	88%	NA	NA	29.97	1014.9
10:30 AM PDT	0.0	10.00	Cloudy	--	57.2	55.4	94%	NA	NA	29.97	1014.9
10:10 AM PDT	3.4	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.97	1014.9
09:55 AM PDT	0.0	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.97	1014.9
09:30 AM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.97	1014.9
09:15 AM PDT	0.0	10.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.96	1014.6
08:50 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.96	1014.6
08:30 AM PDT	0.0	9.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.96	1014.6
08:15 AM PDT	0.0	8.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.96	1014.6
07:50 AM PDT	0.0	8.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
07:35 AM PDT	0.0	7.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
07:10 AM PDT	0.0	9.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
06:50 AM PDT	4.7	7.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
06:30 AM PDT	4.7	9.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
06:10 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
05:50 AM PDT	0.0	9.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.9
05:30 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.9
05:10 AM PDT	S 3.4	9.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
04:50 AM PDT	SW 6.9	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
04:30 AM PDT	SW 5.8	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
04:15 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
03:50 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
03:35 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
03:10 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
02:50 AM PDT	W 3.4	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.94	1013.6
02:35 AM PDT	4.7	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.94	1013.9
02:10 AM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.95	1014.2
01:50 AM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.95	1014.2
01:30 AM PDT	0.0	10.00	Cloudy	--	55.4	55.4	100%	NA	NA	29.95	1014.2
01:10 AM PDT	3.4	9.00	Cloudy	--	55.4	53.6	94%	NA	NA	29.94	1013.9
12:50 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
12:35 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.95	1014.2
12:10 AM PDT	0.0	10.00	Cloudy	--	53.6	53.6	100%	NA	NA	29.96	1014.6