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

57.0 F

Humidity:	96%
Wind Speed:	E 5.8 mph
Barometer:	29.95 in
Dewpoint:	55.9 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Sep 3 2026, 05:55 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)
05:55 AM PDT	E 5.8	10.00	Clear	--	57.0	55.9	96%	NA	NA	29.95	1014.2
04:55 AM PDT	5.8	10.00	Clear	--	57.9	55.9	93%	NA	NA	29.95	1014.2
03:55 AM PDT	6.9	10.00	Clear	--	57.0	55.0	93%	NA	NA	29.96	1014.6
02:55 AM PDT	0.0	10.00	Clear	--	59.0	57.0	93%	NA	NA	29.96	1014.6
01:55 AM PDT	5.8	10.00	Clear	--	57.9	57.0	97%	NA	NA	29.97	1014.9
12:55 AM PDT	E 4.7	10.00	Clear	--	57.0	55.0	93%	NA	NA	29.99	1015.6
11:55 PM PDT	0.0	10.00	Clear	--	NULL	55.9	%	NA	NA	29.99	1015.6
10:55 PM PDT	E 4.7	10.00	Clear	--	NULL	55.9	%	NA	NA	29.99	1015.6
09:55 PM PDT	0.0	10.00	Clear	--	61.0	60.1	97%	NA	NA	29.99	1015.6
08:55 PM PDT	SW 4.7	10.00	Clear	--	63.0	59.0	87%	NA	NA	29.98	1015.2
07:55 PM PDT	W 4.7	10.00	Clear	--	66.9	61.0	81%	NA	NA	29.97	1014.9
06:55 PM PDT	W 8.1	10.00	Clear	--	69.1	60.1	73%	NA	NA	29.97	1014.9
05:55 PM PDT	6.9	10.00	Clear	--	73.0	57.0	57%	NA	72.7	29.96	1014.6
04:55 PM PDT	W 6.9	10.00	Clear	--	73.9	57.0	56%	NA	73.6	29.96	1014.6
03:55 PM PDT	W 10.3	10.00	Clear	--	75.9	57.9	54%	NA	75.7	29.97	1014.9
02:55 PM PDT	W 8.1	10.00	Clear	--	77.0	57.9	52%	NA	76.8	29.98	1015.2
01:55 PM PDT	10.3	10.00	Clear	--	77.0	59.0	54%	NA	77.0	29.99	1015.6
12:55 PM PDT	10.3	10.00	Clear	--	79.0	60.1	52%	NA	79.0	29.99	1015.6
11:55 AM PDT	8.1	10.00	Clear	--	79.0	60.1	52%	NA	79.0	30.01	1016.3
10:55 AM PDT	5.8	10.00	Clear	--	78.1	57.9	50%	NA	77.9	30.02	1016.6
09:55 AM PDT	4.7	10.00	Clear	--	73.0	60.1	64%	NA	73.0	30.02	1016.6
09:17 AM PDT	0.0	10.00	Partly Cloudy	--	71.1	60.1	68%	NA	71.1	30.02	1016.6
09:05 AM PDT	3.4	10.00	Mostly Cloudy	--	69.1	61.0	75%	NA	NA	30.02	1016.6
08:55 AM PDT	3.4	10.00	Mostly Cloudy	--	68.0	59.0	73%	NA	NA	30.02	1016.6
07:55 AM PDT	NE 3.4	10.00	Cloudy	--	NULL		%	NA	NA	30.02	1016.6
06:55 AM PDT	NE 4.7	8.00	Cloudy	--	NULL		%	NA	NA	30.01	1016.3
06:32 AM PDT	5.8	7.00	NULL	--	NULL		%	NA	NA	30.00	1015.9
05:55 AM PDT	NE 5.8	9.00	Clear	--	NULL		%	NA	NA	29.99	1015.6
04:55 AM PDT	3.4	10.00	Mostly Clear	--	NULL		%	NA	NA	29.99	1015.6
03:55 AM PDT	5.8	10.00	Mostly Cloudy	--	NULL		%	NA	NA	29.99	1015.6
02:55 AM PDT	5.8	10.00	Clear	--	NULL		%	NA	NA	30.00	1015.9
01:55 AM PDT	0.0	10.00	Mostly Clear	--	NULL		%	NA	NA	30.01	1016.3
01:12 AM PDT	0.0	10.00	Mostly Cloudy	--	NULL		%	NA	NA	30.01	1016.3
12:55 AM PDT	E 3.4	10.00	Clear	--	NULL		%	NA	NA	30.01	1016.3
11:55 PM PDT	E 3.4	10.00	Clear	--	64.0	61.0	90%	NA	NA	30.00	1015.9
10:55 PM PDT	4.7	10.00	Clear	--	64.0	61.0	90%	NA	NA	30.00	1015.9
09:55 PM PDT	5.8	10.00	Clear	--	64.9	61.0	87%	NA	NA	30.00	1015.9
09:06 PM PDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
08:55 PM PDT	3.4	10.00	Mostly Cloudy	--	66.0	62.1	87%	NA	NA	29.97	1014.9
08:42 PM PDT	0.0	10.00	Mostly Cloudy	--	68.0	63.0	84%	NA	NA	29.97	1014.9
07:55 PM PDT		10.00	Clear	--	NULL		%	NA	NA		M
06:55 PM PDT	W 9.2	10.00	Clear	--	71.1	61.0	70%	NA	71.2	29.95	1014.2
05:55 PM PDT	8.1	10.00	Clear	--	73.9	61.0	64%	NA	74.1	29.95	1014.2
04:55 PM PDT	10.3	10.00	Clear	--	75.9	62.1	62%	NA	76.1	29.95	1014.2
03:55 PM PDT	W 12.8	10.00	Clear	--	77.0	62.1	60%	NA	77.2	29.96	1014.6
02:55 PM PDT	W 11.4	10.00	Clear	--	79.0	61.0	54%	NA	79.2	29.96	1014.6
01:55 PM PDT	W 10.3	10.00	Clear	--	81.0	61.0	51%	NA	81.9	29.97	1014.9
12:55 PM PDT	9.2 G 18.3	10.00	Clear	--	82.9	59.0	44%	NA	82.9	29.98	1015.2
11:55 AM PDT	5.8	10.00	Clear	--	82.0	61.0	49%	NA	82.6	29.99	1015.6
10:55 AM PDT		10.00	Clear	--	79.0	60.1	52%	NA	79.0	30.00	1015.9
09:55 AM PDT	4.7	10.00	Clear	--	75.0	63.0	66%	NA	75.4	29.99	1015.6
08:55 AM PDT	NW 4.7	10.00	Clear	--	72.0	63.0	73%	NA	72.3	29.99	1015.6
07:55 AM PDT	0.0	10.00	Clear	--	69.1	63.0	81%	NA	NA	29.97	1014.9
06:55 AM PDT	NE 3.4	8.00	Clear	--	63.0	62.1	97%	NA	NA	29.97	1014.9
06:29 AM PDT	NE 4.7	7.00	Partly Cloudy	--	62.1	61.0	96%	NA	NA	29.96	1014.6
06:06 AM PDT	E 4.7	8.00	Mostly Cloudy	--	62.1	61.0	96%	NA	NA	29.96	1014.6
05:55 AM PDT	3.4	8.00	Partly Cloudy	--	62.1	61.0	96%	NA	NA	29.96	1014.6
05:19 AM PDT	6.9	8.00	Mostly Cloudy	--	62.1	61.0	96%	NA	NA	29.95	1014.2
04:55 AM PDT	NE 6.9	10.00	Partly Cloudy	--	62.1	60.1	93%	NA	NA	29.95	1014.2
04:17 AM PDT	0.0	10.00	Partly Cloudy	--	61.0	59.0	93%	NA	NA	29.95	1014.2
03:55 AM PDT	NE 3.4	8.00	Clear	--	61.0	59.0	93%	NA	NA	29.95	1014.2
02:55 AM PDT	4.7	10.00	Clear	--	62.1	60.1	93%	NA	NA	29.95	1014.2
02:17 AM PDT	5.8	10.00	Partly Cloudy	--	66.0	62.1	87%	NA	NA	29.95	1014.2
01:55 AM PDT	0.0	10.00	Mostly Cloudy	--	64.9	62.1	90%	NA	NA	29.96	1014.6
01:41 AM PDT	4.7	10.00	Cloudy	--	64.9	62.1	90%	NA	NA	29.96	1014.6
12:55 AM PDT	0.0	10.00	Cloudy	--	64.0	61.0	90%	NA	NA	29.96	1014.6
12:35 AM PDT	0.0	10.00	Partly Cloudy	--	61.0	59.0	93%	NA	NA	29.96	1014.6
11:55 PM PDT	0.0	8.00	Clear	--	62.1	61.0	96%	NA	NA	29.96	1014.6
10:55 PM PDT	0.0	10.00	Clear	--	64.9	62.1	90%	NA	NA	29.96	1014.6
09:55 PM PDT	5.8	10.00	Clear	--	68.0	63.0	84%	NA	NA	29.95	1014.2
08:55 PM PDT	W 4.7	10.00	Clear	--	68.0	63.0	84%	NA	NA	29.95	1014.2
07:55 PM PDT	W 6.9	10.00	Clear	--	69.1	64.0	84%	NA	NA	29.92	1013.2