Alta, CA Current Weather Conditions

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

▼Current Conditions — Alta, CA

GRASS VALLEY (KGOO)

Clear

53.6 F

Humidity:	28%
Wind Speed:	0.0 mph
Barometer:	29.83 in
Dewpoint:	21.2 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

May 17 2026, 04:55 AM PDT

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▼Hourly Observation History — Alta, 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)
04:55 AM PDT	0.0	10.00	Clear	--	53.6	21.2	28%	NA	NA	29.83	1010.2
04:35 AM PDT	0.0	10.00	Clear	--	53.6	21.2	28%	NA	NA	29.84	1010.5
04:15 AM PDT	0.0	10.00	Clear	--	53.6	21.2	28%	NA	NA	29.84	1010.5
03:55 AM PDT	0.0	10.00	Clear	--	53.6	23.0	30%	NA	NA	29.85	1010.8
03:35 AM PDT	0.0	10.00	Clear	--	53.6	24.8	32%	NA	NA	29.86	1011.2
03:15 AM PDT	0.0	10.00	Clear	--	55.4	21.2	26%	NA	NA	29.86	1011.2
02:55 AM PDT	0.0	10.00	Clear	--	55.4	23.0	28%	NA	NA	29.86	1011.2
02:35 AM PDT	0.0	10.00	Clear	--	57.2	23.0	26%	NA	NA	29.86	1011.2
02:15 AM PDT	0.0	10.00	Clear	--	57.2	24.8	29%	NA	NA	29.87	1011.5
01:55 AM PDT	0.0	10.00	Clear	--	55.4		%	NA	NA	29.87	1011.5
01:35 AM PDT	0.0	10.00	Clear	--	59.0		%	NA	NA	29.88	1011.9
01:15 AM PDT	0.0	10.00	Clear	--	59.0		%	NA	NA	29.89	1012.2
12:55 AM PDT	0.0	10.00	Clear	--	59.0		%	NA	NA	29.89	1012.2
12:35 AM PDT	0.0	10.00	Clear	--	59.0		%	NA	NA	29.89	1012.2
12:15 AM PDT	0.0	10.00	Mostly Clear	--	59.0	30.2	33%	NA	NA	29.90	1012.5
11:55 PM PDT	0.0	10.00	Partly Cloudy	--	59.0	33.8	39%	NA	NA	29.90	1012.5
11:35 PM PDT	0.0	10.00	Mostly Clear	--	57.2	33.8	41%	NA	NA	29.90	1012.5
11:15 PM PDT	0.0	10.00	Mostly Clear	--	57.2	33.8	41%	NA	NA	29.90	1012.5
10:55 PM PDT	0.0	10.00	Partly Cloudy	--	59.0	33.8	39%	NA	NA	29.90	1012.5
10:35 PM PDT	0.0	10.00	Partly Cloudy	--	59.0	33.8	39%	NA	NA	29.91	1012.9
10:15 PM PDT	0.0	10.00	NULL	--	59.0	33.8	39%	NA	NA	29.92	1013.2
09:55 PM PDT	0.0	10.00	Mostly Clear	--	59.0	33.8	39%	NA	NA	29.92	1013.2
09:35 PM PDT	0.0	10.00	Partly Cloudy	--	59.0	35.6	41%	NA	NA	29.92	1013.2
09:15 PM PDT	0.0	10.00	Mostly Clear	--	59.0	35.6	41%	NA	NA	29.91	1012.9
08:55 PM PDT	0.0	10.00	Clear	--	59.0	35.6	41%	NA	NA	29.92	1013.2
08:35 PM PDT	0.0	10.00	Clear	--	60.8	35.6	39%	NA	NA	29.92	1013.2
08:15 PM PDT	0.0	10.00	Clear	--	62.6	33.8	34%	NA	NA	29.94	1013.6
07:55 PM PDT	0.0	10.00	Clear	--	64.4	33.8	32%	NA	NA	29.94	1013.6
07:35 PM PDT	0.0	10.00	Clear	--	64.4	32.0	30%	NA	NA	29.94	1013.6
07:15 PM PDT	6.9	10.00	Clear	--	66.2	30.2	26%	NA	NA	29.94	1013.9
06:55 PM PDT	W 8.1	10.00	Clear	--	66.2	32.0	28%	NA	NA	29.94	1013.6
06:35 PM PDT	6.9	10.00	Clear	--	68.0	32.0	26%	NA	NA	29.94	1013.6
06:15 PM PDT	6.9	10.00	Clear	--	68.0	33.8	28%	NA	NA	29.94	1013.6
05:55 PM PDT	6.9	10.00	Clear	--	68.0	33.8	28%	NA	NA	29.94	1013.9
05:35 PM PDT	4.7 G 12.8	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.94	1013.9
05:15 PM PDT	5.8 G 11.4	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.95	1014.2
04:55 PM PDT	W 8.1	10.00	Clear	--	69.8	35.6	28%	NA	NA	29.95	1014.2
04:35 PM PDT	5.8	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.95	1014.2
04:15 PM PDT	5.8	10.00	Clear	--	68.0	33.8	28%	NA	NA	29.95	1014.2
03:55 PM PDT	4.7 G 12.8	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.96	1014.6
03:35 PM PDT	W 8.1	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.97	1014.9
03:15 PM PDT	8.1 G 17.2	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.97	1014.9
02:55 PM PDT	W 11.4	10.00	Clear	--	68.0	33.8	28%	NA	NA	29.97	1014.9
02:35 PM PDT	W 10.3	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.98	1015.2
02:15 PM PDT	W 10.3 G 18.3	10.00	Clear	--	68.0	35.6	30%	NA	NA	29.98	1015.2
01:55 PM PDT	8.1 G 16.1	10.00	Clear	--	66.2	35.6	32%	NA	NA	29.98	1015.2
01:35 PM PDT	6.9 G 15.0	10.00	Clear	--	66.2	37.4	35%	NA	NA	29.98	1015.2
01:15 PM PDT	W 8.1 G 13.9	10.00	Clear	--	66.2	39.2	37%	NA	NA	29.98	1015.2
12:55 PM PDT	NW 9.2	10.00	Clear	--	66.2	37.4	35%	NA	NA	29.98	1015.2
12:35 PM PDT	W 10.3	10.00	Clear	--	64.4	39.2	39%	NA	NA	29.98	1015.2
12:15 PM PDT	10.3	10.00	Clear	--	64.4	39.2	39%	NA	NA		M
11:55 AM PDT	9.2	10.00	Clear	--	64.4	39.2	39%	NA	NA	29.98	1015.2
11:35 AM PDT	W 9.2	10.00	Clear	--	64.4	39.2	39%	NA	NA	29.98	1015.2
11:15 AM PDT	W 5.8 G 12.8	10.00	Clear	--	62.6	39.2	42%	NA	NA	29.98	1015.2
10:55 AM PDT	8.1	10.00	Clear	--	62.6	39.2	42%	NA	NA	29.98	1015.2
10:35 AM PDT	6.9	10.00	Clear	--	64.4	35.6	34%	NA	NA	29.98	1015.2
10:15 AM PDT	W 8.1	10.00	Clear	--	64.4	35.6	34%	NA	NA	29.97	1014.9
09:55 AM PDT	NW 6.9	10.00	Clear	--	62.6	35.6	36%	NA	NA	29.97	1014.9
09:35 AM PDT	0.0	10.00	Clear	--	62.6	35.6	36%	NA	NA	29.97	1014.9
09:15 AM PDT	0.0	10.00	Clear	--	60.8	35.6	39%	NA	NA	29.98	1015.2
08:55 AM PDT	0.0	10.00	Clear	--	59.0	35.6	41%	NA	NA	29.98	1015.2
08:35 AM PDT	0.0	10.00	Clear	--	59.0	33.8	39%	NA	NA	29.97	1014.9
08:15 AM PDT	0.0	10.00	Clear	--	57.2	35.6	44%	NA	NA	29.97	1014.9
07:55 AM PDT	0.0	10.00	Clear	--	55.4	35.6	47%	NA	NA		M
07:35 AM PDT	0.0	10.00	Clear	--	53.6	35.6	50%	NA	NA		M
07:15 AM PDT	SE 4.7	10.00	Clear	--	51.8	35.6	54%	NA	NA		M
06:55 AM PDT	3.4	10.00	Clear	--	51.8	35.6	54%	NA	NA		M
06:35 AM PDT	SE 5.8	10.00	Clear	--	53.6	33.8	47%	NA	NA	29.95	1014.2
06:15 AM PDT	0.0	10.00	Clear	--	53.6	33.8	47%	NA	NA	29.94	1013.9
05:55 AM PDT	0.0	10.00	Clear	--	53.6	32.0	44%	NA	NA	29.94	1013.9
05:35 AM PDT	0.0	10.00	Clear	--	53.6	30.2	41%	NA	NA	29.94	1013.6
05:15 AM PDT	0.0	10.00	Clear	--	53.6	30.2	41%	NA	NA	29.94	1013.6