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)

Clear

75.9 F

Humidity:	67%
Wind Speed:	10.3 mph
Barometer:	29.90 in
Dewpoint:	64.0 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	76.3 F
Wind Chill:	NA

Jul 22 2026, 05:55 PM 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)
05:55 PM PDT	10.3	10.00	Clear	--	75.9	64.0	67%	NA	76.3	29.90	1012.5
04:55 PM PDT		10.00	Mostly Clear	--	NULL		%	NA	NA		M
03:55 PM PDT	9.2	10.00	Clear	--	79.0	64.9	62%	NA	79.5	29.94	1013.6
02:55 PM PDT	W 12.8	10.00	Clear	--	78.1	64.9	64%	NA	78.6	29.94	1013.9
01:55 PM PDT	W 10.3	10.00	Mostly Clear	--	79.0	64.0	60%	NA	79.3	29.96	1014.6
12:55 PM PDT	12.8	10.00	Clear	--	80.1	64.9	60%	NA	81.9	29.98	1015.2
11:55 AM PDT	12.8	10.00	Mostly Clear	--	81.0	66.0	61%	NA	83.1	29.98	1015.2
10:55 AM PDT	6.9	10.00	Mostly Clear	--	80.1	66.0	62%	NA	82.2	29.99	1015.6
10:02 AM PDT		10.00	Mostly Clear	--	NULL		%	NA	NA		M
08:55 AM PDT	6.9	10.00	Cloudy	--	72.0	66.0	82%	NA	72.7	30.01	1016.3
08:04 AM PDT		NULL	NULL	--	NULL		%	NA	NA	30.02	1016.6
06:55 AM PDT	6.9	10.00	Cloudy	--	70.0	66.0	87%	NA	NA	30.00	1015.9
05:55 AM PDT	3.4	10.00	Cloudy	--	70.0	66.0	87%	NA	NA	29.99	1015.6
04:55 AM PDT	W 5.8	10.00	Cloudy	--	71.1	66.9	87%	NA	72.0	29.97	1014.9
04:25 AM PDT	6.9	9.00	Cloudy	--	71.1	66.9	87%	NA	72.0	29.97	1014.9
03:55 AM PDT	5.8	10.00	Cloudy	--	71.1	66.9	87%	NA	72.0	29.97	1014.9
03:34 AM PDT	5.8	10.00	Mostly Cloudy	--	71.1	66.9	87%	NA	72.0	29.97	1014.9
02:55 AM PDT	9.2	10.00	Partly Cloudy	--	71.1	66.0	84%	NA	71.8	29.97	1014.9
01:55 AM PDT	6.9	10.00	Cloudy	--	73.9		%	NA	NA	29.98	1015.2
01:33 AM PDT	NW 5.8	10.00	Mostly Cloudy	--	73.9		%	NA	NA	29.99	1015.6
12:55 AM PDT	4.7	10.00	Clear	--	73.9		%	NA	NA	30.00	1015.9
12:14 AM PDT	5.8	10.00	Partly Cloudy	--	73.9	55.0	52%	NA	73.4	30.01	1016.3
11:55 PM PDT	8.1	10.00	Mostly Cloudy	--	73.9	55.0	52%	NA	73.4	30.01	1016.3
10:55 PM PDT	NW 9.2	10.00	Clear	--	73.9	55.0	52%	NA	73.4	30.02	1016.6
09:55 PM PDT	NW 4.7	10.00	Clear	--	73.9	55.0	52%	NA	73.4	30.01	1016.3
08:55 PM PDT	NW 6.9	10.00	Clear	--	75.0	57.0	54%	NA	74.7	30.00	1015.9
07:55 PM PDT	W 8.1	10.00	Clear	--	75.9	55.9	50%	NA	75.6	29.98	1015.2
06:55 PM PDT	W 11.4	10.00	Clear	--	79.0	57.0	47%	NA	78.8	29.97	1014.9
05:55 PM PDT	11.4	10.00	Clear	--	82.9		%	NA	NA	29.96	1014.6
04:55 PM PDT	W 11.4	10.00	Clear	--	84.9		%	NA	NA	29.96	1014.6
03:55 PM PDT	10.3	10.00	Clear	--	84.9	51.1	31%	NA	82.9	29.97	1014.9
02:55 PM PDT	W 13.9	10.00	Clear	--	86.0	52.0	31%	NA	83.8	29.98	1015.2
01:55 PM PDT	W 11.4 G 19.7	10.00	Mostly Clear	--	90.0	50.0	26%	NA	87.1	29.98	1015.2
12:55 PM PDT	W 9.2 G 17.2	10.00	Clear	--	87.1		%	NA	NA	30.00	1015.9
11:55 AM PDT	5.8	10.00	Clear	--	86.0	59.0	40%	NA	85.5	30.00	1015.9
10:55 AM PDT	S 9.2	10.00	Clear	--	82.9	64.0	53%	NA	84.4	30.00	1015.9
09:55 AM PDT	8.1	10.00	Clear	--	81.0	60.1	49%	NA	81.7	30.01	1016.3
08:55 AM PDT	4.7	10.00	Clear	--	79.0	60.1	52%	NA	79.0	30.00	1015.9
07:55 AM PDT	5.8	10.00	Mostly Clear	--	75.0	64.0	69%	NA	75.4	30.00	1015.9
06:55 AM PDT	E 4.7	10.00	Clear	--	70.0	64.9	84%	NA	NA	29.98	1015.2
06:37 AM PDT	SE 3.4	8.00	Partly Cloudy	--	69.1	64.9	87%	NA	NA	29.98	1015.2
05:55 AM PDT	0.0	9.00	Cloudy	--	66.9	64.9	93%	NA	NA	29.97	1014.9
04:55 AM PDT	S 3.4	9.00	Cloudy	--	68.0	64.9	90%	NA	NA	29.95	1014.2
04:12 AM PDT	3.4	8.00	NULL	--	64.0	62.1	93%	NA	NA	29.94	1013.9
07:55 PM PDT	W 6.9	10.00	Clear	--	73.9		%	NA	NA	29.90	1012.5
06:55 PM PDT	5.8	10.00	Clear	--	81.0	55.9	42%	NA	80.8	29.88	1011.9
05:55 PM PDT	5.8	10.00	Clear	--	82.9		%	NA	NA	29.89	1012.2
04:55 PM PDT	W 8.1	10.00	Clear	--	84.0		%	NA	NA	29.90	1012.5
03:55 PM PDT	9.2	10.00	Clear	--	82.9	63.0	51%	NA	84.0	29.90	1012.5
02:55 PM PDT	W 12.8	10.00	Clear	--	81.0	64.0	56%	NA	82.6	29.91	1012.9
12:55 PM PDT	S 6.9	10.00	Clear	--	86.0	62.1	45%	NA	86.5	29.94	1013.6
11:55 AM PDT	3.4	10.00	Clear	--	82.9	64.0	53%	NA	84.4	29.95	1014.2
10:55 AM PDT	4.7	10.00	Clear	--	79.0	64.9	62%	NA	79.5	29.96	1014.6
09:55 AM PDT	4.7	10.00	Clear	--	78.1	62.1	58%	NA	78.3	29.95	1014.2
08:55 AM PDT	0.0	10.00	Clear	--	75.0	64.0	69%	NA	75.4	29.95	1014.2
07:55 AM PDT	0.0	10.00	Clear	--	72.0	64.9	79%	NA	72.5	29.95	1014.2
06:55 AM PDT	0.0	7.00	Mostly Cloudy	--	68.0	64.9	90%	NA	NA	29.94	1013.9
05:55 AM PDT	3.4	9.00	Clear	--	64.9	62.1	90%	NA	NA	29.92	1013.2
03:55 AM PDT	3.4	10.00	Clear	--	66.0	64.0	93%	NA	NA	29.91	1012.9
02:55 AM PDT	0.0	8.00	Clear	--	66.9	64.0	90%	NA	NA	29.91	1012.9
01:55 AM PDT	0.0	9.00	Partly Cloudy	--	66.9	64.0	90%	NA	NA	29.92	1013.2
01:18 AM PDT	0.0	9.00	Cloudy	--	68.0	64.9	90%	NA	NA	29.94	1013.6
12:55 AM PDT	0.0	9.00	Mostly Cloudy	--	68.0	64.9	90%	NA	NA	29.94	1013.9
12:35 AM PDT	4.7	9.00	Mostly Cloudy	--	68.0	64.9	90%	NA	NA	29.94	1013.9
12:14 AM PDT	W 4.7	9.00	NULL	--	68.0	64.9	90%	NA	NA	29.95	1014.2
11:55 PM PDT	0.0	10.00	Clear	--	68.0	64.9	90%	NA	NA	29.95	1014.2
10:55 PM PDT	3.4	10.00	Clear	--	66.9	64.0	90%	NA	NA	29.94	1013.9
09:55 PM PDT	3.4	10.00	Clear	--	69.1	64.9	87%	NA	NA	29.94	1013.9
08:55 PM PDT	5.8	10.00	Clear	--	71.1	64.9	81%	NA	71.6	29.91	1012.9
07:55 PM PDT	3.4	10.00	Clear	--	73.0	64.0	73%	NA	73.6	29.89	1012.2
06:55 PM PDT	W 6.9	10.00	Clear	--	77.0	63.0	62%	NA	77.4	29.89	1012.2