San Ysidro, CA Current Weather Conditions

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

▼Current Conditions — San Ysidro, CA

MIRAMAR NAS/SAN (KNKX)

Fog/Mist

66.9 F

Humidity:	90%
Wind Speed:	NE 4.7 mph
Barometer:	29.92 in
Dewpoint:	64.0 F
Visibility:	6.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Sep 24 2026, 07:55 AM PDT

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▼Hourly Observation History — San Ysidro, 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)
07:55 AM PDT	NE 4.7	6.00	Fog/Mist	--	66.9	64.0	90%	NA	NA	29.92	1013.2
06:55 AM PDT	0.0	7.00	Cloudy	--	66.0	64.0	93%	NA	NA	29.90	1012.5
05:55 AM PDT	0.0	7.00	Cloudy	--	66.0	64.0	93%	NA	NA	29.90	1012.5
04:55 AM PDT	E 3.4	7.00	Cloudy	--	66.9	64.0	90%	NA	NA	29.89	1012.2
03:55 AM PDT	0.0	7.00	Cloudy	--	66.9	64.0	90%	NA	NA	29.90	1012.5
02:55 AM PDT	0.0	NULL	Cloudy	--	66.9	64.0	90%	NA	NA	29.89	1012.2
01:55 AM PDT	0.0	NULL	Cloudy	--	66.9	64.0	90%	NA	NA	29.89	1012.2
12:55 AM PDT	0.0	NULL	Cloudy	--	66.9	64.0	90%	NA	NA	29.90	1012.5
11:55 PM PDT	NW 3.4	7.00	Cloudy	--	66.9	64.0	90%	NA	NA	29.89	1012.2
10:55 PM PDT	NW 4.7	7.00	Cloudy	--	66.9	64.0	90%	NA	NA	29.90	1012.5
10:23 PM PDT	NW 4.7	7.00	Mostly Cloudy	--	66.9	64.0	90%	NA	NA	29.90	1012.5
10:14 PM PDT	NW 4.7	7.00	Partly Cloudy	--	66.9	64.0	90%	NA	NA	29.90	1012.5
09:55 PM PDT	W 4.7	7.00	Clear	--	66.0	63.0	90%	NA	NA	29.89	1012.2
08:55 PM PDT	W 4.7	7.00	Clear	--	66.0	62.1	87%	NA	NA	29.88	1011.9
07:55 PM PDT	4.7	7.00	Clear	--	66.9	63.0	87%	NA	NA	29.86	1011.2
06:55 PM PDT	W 5.8	7.00	Clear	--	70.0	64.0	81%	NA	NA	29.86	1011.2
05:55 PM PDT	W 5.8	7.00	Clear	--	73.0	64.0	73%	NA	73.6	29.85	1010.8
04:55 PM PDT	5.8	7.00	Clear	--	75.0	64.0	69%	NA	75.4	29.84	1010.5
03:55 PM PDT	8.1	7.00	Clear	--	75.9	64.0	67%	NA	76.3	29.84	1010.5
02:55 PM PDT	W 10.3	7.00	Mostly Clear	--	77.0	64.0	64%	NA	77.4	29.84	1010.5
01:55 PM PDT	10.3	7.00	Clear	--	78.1	64.0	62%	NA	78.4	29.84	1010.5
12:55 PM PDT	W 9.2	7.00	Clear	--	80.1	64.0	58%	NA	81.7	29.85	1010.8
11:55 AM PDT	8.1	10.00	Clear	--	80.1	64.0	58%	NA	81.7	29.86	1011.2
10:55 AM PDT	6.9	7.00	Mostly Clear	--	79.0	63.0	58%	NA	79.3	29.87	1011.5
09:55 AM PDT	3.4	10.00	Mostly Clear	--	73.0	63.0	71%	NA	73.4	29.88	1011.9
09:14 AM PDT	0.0	10.00	Partly Cloudy	--	70.0	63.0	78%	NA	NA	29.88	1011.9
08:55 AM PDT	3.4	7.00	Cloudy	--	70.0	63.0	78%	NA	NA	29.88	1011.9
07:55 AM PDT	3.4	7.00	Cloudy	--	68.0	63.0	84%	NA	NA	29.87	1011.5
06:55 AM PDT	0.0	7.00	Cloudy	--	66.0	63.0	90%	NA	NA	29.86	1011.2
05:55 AM PDT	NE 4.7	7.00	Cloudy	--	64.9	62.1	90%	NA	NA	29.84	1010.5
04:55 AM PDT	3.4	10.00	Cloudy	--	66.0	63.0	90%	NA	NA	29.84	1010.5
03:55 AM PDT	3.4	10.00	Cloudy	--	63.0	61.0	93%	NA	NA	29.84	1010.5
03:40 AM PDT	4.7	10.00	Mostly Cloudy	--	61.0	59.0	93%	NA	NA	29.84	1010.5
03:22 AM PDT	NE 3.4	10.00	Partly Cloudy	--	62.1	59.0	90%	NA	NA	29.84	1010.5
02:55 AM PDT	NW 4.7	10.00	Mostly Cloudy	--	64.9	63.0	93%	NA	NA	29.85	1010.8
02:40 AM PDT	0.0	10.00	Partly Cloudy	--	61.0	59.0	93%	NA	NA	29.85	1010.8
01:55 AM PDT	NE 4.7	7.00	Clear	--	61.0	59.0	93%	NA	NA	29.85	1010.8
12:55 AM PDT	3.4	7.00	Mostly Clear	--	63.0	60.1	90%	NA	NA	29.86	1011.2
11:55 PM PDT	3.4	7.00	Mostly Clear	--	66.9	63.0	87%	NA	NA	29.86	1011.2
10:55 PM PDT	6.9	7.00	Mostly Clear	--	66.9	63.0	87%	NA	NA	29.86	1011.2
09:55 PM PDT	6.9	7.00	Mostly Clear	--	68.0	63.0	84%	NA	NA	29.87	1011.5
09:44 PM PDT	4.7	10.00	Partly Cloudy	--	68.0	63.0	84%	NA	NA	29.87	1011.5
08:55 PM PDT	NW 6.9	7.00	Mostly Cloudy	--	69.1	64.0	84%	NA	NA	29.86	1011.2
08:23 PM PDT	6.9	7.00	Mostly Cloudy	--	69.1	63.0	81%	NA	NA	29.85	1010.8
07:55 PM PDT	NW 8.1	7.00	Clear	--	68.0	63.0	84%	NA	NA	29.85	1010.8
06:55 PM PDT	W 9.2	7.00	Mostly Clear	--	69.1	63.0	81%	NA	NA	29.84	1010.5
05:55 PM PDT	W 10.3	7.00	Clear	--	71.1	62.1	73%	NA	71.2	29.84	1010.5
04:55 PM PDT	12.8	7.00	Clear	--	73.0	62.1	68%	NA	73.2	29.84	1010.5
03:55 PM PDT	W 13.9 G 21.9	10.00	Mostly Clear	--	75.9	62.1	62%	NA	76.1	29.85	1010.8
02:55 PM PDT	W 13.9	7.00	Mostly Clear	--	75.9	62.1	62%	NA	76.1	29.86	1011.2
01:55 PM PDT	W 12.8	7.00	Clear	--	78.1	57.9	50%	NA	77.9	29.87	1011.5
12:55 PM PDT	W 10.3 G 17.2	7.00	Clear	--	79.0	55.9	45%	NA	78.6	29.88	1011.9
11:55 AM PDT	10.3	7.00	Mostly Clear	--	79.0	55.9	45%	NA	78.6	29.90	1012.5
10:55 AM PDT	3.4	7.00	Mostly Clear	--	77.0	55.9	48%	NA	76.6	29.92	1013.2
09:55 AM PDT	5.8	7.00	Mostly Clear	--	73.9	55.9	53%	NA	73.6	29.94	1013.6
08:55 AM PDT	0.0	7.00	Cloudy	--	72.0	57.9	61%	NA	71.8	29.94	1013.6
07:55 AM PDT	0.0	7.00	Cloudy	--	69.1	59.0	70%	NA	NA	29.94	1013.9
06:55 AM PDT	0.0	10.00	Cloudy	--	68.0	60.1	76%	NA	NA	29.94	1013.6
05:55 AM PDT	0.0	10.00	Cloudy	--	68.0	60.1	76%	NA	NA	29.92	1013.2
05:18 AM PDT	0.0	10.00	Cloudy	--	68.0	60.1	76%	NA	NA	29.91	1012.9
04:55 AM PDT	0.0	10.00	Cloudy	--	68.0	60.1	76%	NA	NA	29.91	1012.9
03:55 AM PDT	0.0	10.00	Cloudy	--	66.9	60.1	79%	NA	NA	29.91	1012.9
02:55 AM PDT	0.0	10.00	Cloudy	--	66.9	59.0	76%	NA	NA	29.92	1013.2
01:55 AM PDT	NE 3.4	10.00	Mostly Cloudy	--	66.9	60.1	79%	NA	NA	29.94	1013.6
12:55 AM PDT	5.8	10.00	Cloudy	--	68.0	60.1	76%	NA	NA	29.94	1013.6
11:55 PM PDT	4.7	7.00	Cloudy	--	68.0	60.1	76%	NA	NA	29.94	1013.9
10:55 PM PDT	6.9	7.00	Cloudy	--	68.0	60.1	76%	NA	NA	29.94	1013.9
09:55 PM PDT	6.9	10.00	Cloudy	--	69.1	60.1	73%	NA	NA	29.94	1013.9
08:55 PM PDT	W 6.9	10.00	Cloudy	--	69.1	60.1	73%	NA	NA	29.94	1013.9
07:55 PM PDT		10.00	Cloudy	--	NULL		%	NA	NA		M
07:44 PM PDT	W 8.1	10.00	Cloudy	--	69.1	61.0	75%	NA	NA	29.92	1013.2
06:55 PM PDT	W 9.2	10.00	Mostly Cloudy	--	69.1	59.0	70%	NA	NA	29.91	1012.9