Mount Hamilton, CA Current Weather Conditions

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

▼Current Conditions — Mount Hamilton, CA

SAN JOSE (KSJC)

Clear

62.6 F

Humidity:	68%
Wind Speed:	8.1 mph
Barometer:	29.89 in
Dewpoint:	51.8 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Jun 30 2026, 12:30 AM PDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — California

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — California

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Mount Hamilton, 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	8.1	10.00	Clear	--	62.6	51.8	68%	NA	NA	29.89	1012.2
12:20 AM PDT	5.7	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.89	1012.2
12:10 AM PDT	0.0	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.90	1012.5
12:00 AM PDT	0.0	10.00	Clear	--	64.4	53.6	68%	NA	NA	29.90	1012.5
11:50 PM PDT	0.0	10.00	Clear	--	64.4	53.6	68%	NA	NA	29.90	1012.5
11:45 PM PDT	0.0	10.00	Clear	--	64.4	53.6	68%	NA	NA	29.90	1012.5
11:35 PM PDT	3.4	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.90	1012.5
11:20 PM PDT	NW 5.7	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.90	1012.5
11:10 PM PDT	NW 6.9	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.90	1012.5
11:05 PM PDT	NW 6.9	10.00	Clear	--	62.6	55.4	77%	NA	NA	29.90	1012.5
11:00 PM PDT	NW 5.7	10.00	Clear	--	64.4	55.4	73%	NA	NA	29.90	1012.5
10:50 PM PDT	NW 4.6	10.00	Clear	--	64.4	53.6	68%	NA	NA	29.90	1012.5
10:40 PM PDT	NW 5.7	10.00	Clear	--	64.4	53.6	68%	NA	NA	29.89	1012.2
10:30 PM PDT	NW 6.9	10.00	Clear	--	64.4	51.8	64%	NA	NA	29.90	1012.5
10:25 PM PDT	NW 5.7	10.00	Clear	--	64.4	51.8	64%	NA	NA	29.89	1012.2
10:20 PM PDT	NW 5.7	10.00	Clear	--	64.4	51.8	64%	NA	NA	29.89	1012.2
10:15 PM PDT	NW 5.7	10.00	Clear	--	64.4	51.8	64%	NA	NA	29.89	1012.2
10:05 PM PDT	NW 6.9	10.00	Clear	--	64.4	53.6	68%	NA	NA	29.89	1012.2
09:50 PM PDT	NW 8.1	10.00	Clear	--	66.2	53.6	64%	NA	NA	29.88	1011.9
09:45 PM PDT	NW 8.1	10.00	Clear	--	66.2	53.6	64%	NA	NA	29.88	1011.9
09:35 PM PDT	NW 9.2	10.00	Clear	--	66.2	53.6	64%	NA	NA	29.88	1011.9
09:30 PM PDT	NW 10.4	10.00	Clear	--	68.0	53.6	60%	NA	NA	29.88	1011.9
09:25 PM PDT	NW 10.4	10.00	Clear	--	68.0	51.8	56%	NA	NA	29.87	1011.5
09:20 PM PDT	NW 9.2	10.00	Clear	--	68.0	51.8	56%	NA	NA	29.87	1011.5
09:05 PM PDT	NW 10.4	10.00	Clear	--	69.8	50.0	49%	NA	NA	29.87	1011.5
09:00 PM PDT	NW 9.2	10.00	Clear	--	69.8	51.8	53%	NA	NA	29.87	1011.5
08:50 PM PDT	NW 9.2	10.00	Mostly Clear	--	69.8	51.8	53%	NA	NA	29.87	1011.5
08:40 PM PDT	9.2	10.00	Clear	--	71.6	51.8	50%	NA	70.9	29.86	1011.2
08:35 PM PDT	6.9	10.00	Clear	--	71.6	51.8	50%	NA	70.9	29.86	1011.2
08:30 PM PDT	9.2	10.00	Clear	--	69.8	51.8	53%	NA	NA	29.86	1011.2
08:25 PM PDT	NW 8.1	10.00	Clear	--	71.6	51.8	50%	NA	70.9	29.86	1011.2
08:20 PM PDT	NW 6.9	10.00	Clear	--	71.6	51.8	50%	NA	70.9	29.86	1011.2
08:05 PM PDT	9.2	10.00	Clear	--	73.4	48.2	41%	NA	72.3	29.86	1011.2
08:00 PM PDT	10.4	10.00	Clear	--	73.4	50.0	44%	NA	72.5	29.85	1010.8
07:45 PM PDT	9.2	10.00	Clear	--	73.4	50.0	44%	NA	72.5	29.85	1010.8
07:40 PM PDT	8.1	10.00	Clear	--	73.4	50.0	44%	NA	72.5	29.85	1010.8
07:35 PM PDT	8.1	10.00	Clear	--	73.4	50.0	44%	NA	72.5	29.85	1010.8
07:25 PM PDT	8.1	10.00	Clear	--	75.2	50.0	41%	NA	74.3	29.84	1010.5
07:20 PM PDT	9.2	10.00	Clear	--	75.2	50.0	41%	NA	74.3	29.84	1010.5
07:05 PM PDT	10.4	10.00	Clear	--	75.2	50.0	41%	NA	74.3	29.84	1010.5
06:50 PM PDT	10.4	10.00	Clear	--	75.2	51.8	44%	NA	74.5	29.84	1010.5
06:45 PM PDT	10.4	10.00	Clear	--	75.2	51.8	44%	NA	74.5	29.84	1010.5
06:40 PM PDT	12.7	10.00	Clear	--	75.2	51.8	44%	NA	74.5	29.84	1010.5
06:35 PM PDT	12.7	10.00	Clear	--	75.2	51.8	44%	NA	74.5	29.84	1010.5
06:30 PM PDT	10.4	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.84	1010.5
06:25 PM PDT		10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.84	1010.5
06:20 PM PDT		10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.84	1010.5
06:15 PM PDT		10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.84	1010.5
06:05 PM PDT		10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.84	1010.5
06:00 PM PDT		10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.84	1010.5
05:50 PM PDT		10.00	Mostly Cloudy	--	77.0	53.6	44%	NA	76.5	29.84	1010.5
05:40 PM PDT		10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.84	1010.5
05:35 PM PDT	G 25.3	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.84	1010.5
05:30 PM PDT		10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.83	1010.2
05:20 PM PDT		10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.83	1010.2
05:10 PM PDT	G 24.2	10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.83	1010.2
05:05 PM PDT		10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.83	1010.2
05:00 PM PDT		10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.83	1010.2
04:50 PM PDT	G 26.5	10.00	Mostly Cloudy	--	78.8	51.8	39%	NA	78.3	29.83	1010.2
04:40 PM PDT		10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.83	1010.2
04:35 PM PDT		10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.83	1010.2
04:25 PM PDT		10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.82	1009.8
04:15 PM PDT		10.00	Clear	--	80.6	53.6	39%	NA	80.2	29.83	1010.2
04:10 PM PDT		10.00	Clear	--	80.6	53.6	39%	NA	80.2	29.83	1010.2
04:05 PM PDT		10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.83	1010.2
03:50 PM PDT		10.00	Clear	--	80.6	53.6	39%	NA	80.2	29.83	1010.2
03:40 PM PDT	G 21.9	10.00	Clear	--	80.6	53.6	39%	NA	80.2	29.83	1010.2
03:35 PM PDT	NW 15.0	10.00	Clear	--	80.6	53.6	39%	NA	80.2	29.83	1010.2
03:30 PM PDT		10.00	Clear	--	80.6	51.8	37%	NA	80.1	29.84	1010.5
03:25 PM PDT		10.00	Clear	--	80.6	51.8	37%	NA	80.1	29.84	1010.5
03:20 PM PDT		10.00	Clear	--	82.4	53.6	37%	NA	81.5	29.83	1010.2
03:00 PM PDT	NW 13.8	10.00	Clear	--	80.6	53.6	39%	NA	80.2	29.84	1010.5