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)

Haze

59.0 F

Humidity:	81%
Wind Speed:	SE 4.7 mph
Barometer:	29.81 in
Dewpoint:	53.1 F
Visibility:	6.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

May 17 2026, 03:55 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)
03:55 AM PDT	SE 4.7	6.00	Haze	--	59.0	53.1	81%	NA	NA	29.81	1009.5
02:55 AM PDT	4.7	5.00	Fog/Mist	--	55.9	53.1	90%	NA	NA	29.82	1009.8
01:55 AM PDT	SE 3.4	6.00	Haze	--	57.9	53.1	84%	NA	NA	29.85	1010.8
12:55 AM PDT	S 4.7	7.00	Cloudy	--	57.9	53.1	84%	NA	NA	29.87	1011.5
12:05 AM PDT	6.9	8.00	Cloudy	--	60.1	54.0	80%	NA	NA	29.85	1010.8
11:55 PM PDT	5.8	8.00	Cloudy	--	60.1	54.0	80%	NA	NA	29.86	1011.2
11:35 PM PDT	6.9	10.00	Mostly Cloudy	--	57.9	53.1	84%	NA	NA	29.86	1011.2
10:55 PM PDT	5.8	10.00	Mostly Clear	--	57.9	53.1	84%	NA	NA	29.87	1011.5
09:55 PM PDT	S 5.8	10.00	Mostly Clear	--	57.9	53.1	84%	NA	NA	29.87	1011.5
08:55 PM PDT	S 5.8	10.00	Cloudy	--	62.1	54.0	75%	NA	NA	29.87	1011.5
08:08 PM PDT	5.8	10.00	Cloudy	--	63.0	54.0	72%	NA	NA	29.86	1011.2
07:55 PM PDT	S 5.8	10.00	Cloudy	--	63.0	54.0	72%	NA	NA	29.86	1011.2
06:55 PM PDT	8.1	10.00	Cloudy	--	63.0	54.0	72%	NA	NA	29.86	1011.2
05:55 PM PDT	SW 10.3	10.00	Cloudy	--	64.0	55.0	73%	NA	NA	29.87	1011.5
04:55 PM PDT	SW 11.4	10.00	Cloudy	--	66.9	55.0	66%	NA	NA	29.87	1011.5
04:11 PM PDT	SW 12.8	10.00	Cloudy	--	66.9	55.0	66%	NA	NA	29.88	1011.9
03:55 PM PDT	11.4	10.00	Cloudy	--	66.9	55.0	66%	NA	NA	29.89	1012.2
03:23 PM PDT	SW 9.2	10.00	Cloudy	--	69.1	55.0	61%	NA	NA	29.89	1012.2
02:55 PM PDT	SW 11.4 G 20.8	10.00	Cloudy	--	69.1	55.0	61%	NA	NA	29.90	1012.5
02:48 PM PDT	SW 11.4 G 18.3	10.00	Cloudy	--	70.0	55.0	59%	NA	NA	29.90	1012.5
01:55 PM PDT	SW 10.3 G 20.8	10.00	Cloudy	--	70.0	55.0	59%	NA	NA	29.91	1012.9
12:55 PM PDT	11.4 G 19.7	10.00	Cloudy	--	70.0	55.9	61%	NA	NA	29.92	1013.2
11:55 AM PDT	S 12.8 G 21.9	10.00	Mostly Cloudy	--	71.1	55.9	59%	NA	70.7	29.94	1013.6
10:55 AM PDT	10.3	10.00	Cloudy	--	68.0	55.9	65%	NA	NA	29.94	1013.6
10:06 AM PDT	8.1	10.00	Cloudy	--	66.9	53.1	61%	NA	NA	29.94	1013.6
09:55 AM PDT	S 9.2	10.00	Cloudy	--	66.9	54.0	63%	NA	NA	29.94	1013.6
08:55 AM PDT	S 9.2	10.00	Cloudy	--	64.9	53.1	65%	NA	NA	29.94	1013.6
08:22 AM PDT	6.9	10.00	Cloudy	--	64.9	54.0	68%	NA	NA	29.94	1013.6
07:55 AM PDT	S 6.9	10.00	Cloudy	--	64.0	55.0	73%	NA	NA	29.94	1013.6
07:06 AM PDT	S 5.8	10.00	Cloudy	--	62.1	55.0	78%	NA	NA	29.94	1013.6
06:55 AM PDT	S 5.8	10.00	Cloudy	--	62.1	54.0	75%	NA	NA	29.92	1013.2
05:55 AM PDT	S 4.7	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.91	1012.9
04:55 AM PDT	0.0	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.90	1012.5
04:31 AM PDT	S 3.4	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.91	1012.9
03:55 AM PDT		10.00	NULL	--	61.0	54.0	78%	NA	NA	29.91	1012.9
02:55 AM PDT	4.7	10.00	Cloudy	--	61.0	55.0	81%	NA	NA	29.92	1013.2
01:55 AM PDT	S 5.8	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.94	1013.6
12:55 AM PDT	S 6.9	10.00	Cloudy	--	62.1	54.0	75%	NA	NA	29.94	1013.9
11:55 PM PDT	S 6.9	10.00	Cloudy	--	62.1	54.0	75%	NA	NA	29.95	1014.2
10:55 PM PDT	6.9	10.00	Cloudy	--	62.1	55.0	78%	NA	NA	29.96	1014.6
09:55 PM PDT	5.8	10.00	Cloudy	--	62.1	55.0	78%	NA	NA	29.96	1014.6
08:55 PM PDT	S 5.8	10.00	Cloudy	--	62.1	55.0	78%	NA	NA	29.94	1013.9
07:55 PM PDT	6.9	10.00	Cloudy	--	63.0	55.0	75%	NA	NA	29.94	1013.9
06:55 PM PDT	SW 5.8	10.00	Cloudy	--	64.0	55.0	73%	NA	NA	29.94	1013.6
05:55 PM PDT	8.1	10.00	Cloudy	--	64.9	55.9	73%	NA	NA	29.94	1013.9
04:55 PM PDT	6.9	10.00	Cloudy	--	66.0	55.9	70%	NA	NA	29.94	1013.9
03:55 PM PDT	10.3	10.00	Cloudy	--	68.0	55.9	65%	NA	NA	29.95	1014.2
02:55 PM PDT	W 11.4 G 18.3	10.00	Mostly Cloudy	--	69.1	55.9	63%	NA	NA	29.97	1014.9
01:55 PM PDT	12.8 G 19.7	10.00	Mostly Clear	--	72.0	54.0	53%	NA	71.4	29.98	1015.2
12:55 PM PDT	6.9	10.00	Clear	--	73.0	53.1	50%	NA	72.3	29.98	1015.2
12:26 PM PDT	S 5.8	10.00	Partly Cloudy	--	71.1	53.1	53%	NA	70.3	29.99	1015.6
11:55 AM PDT	5.8	10.00	Cloudy	--	68.0	53.1	59%	NA	NA	30.00	1015.9
10:55 AM PDT	4.7	10.00	Cloudy	--	66.0	53.1	63%	NA	NA	30.00	1015.9
09:55 AM PDT	0.0	10.00	Cloudy	--	64.9	52.0	63%	NA	NA	29.99	1015.6
08:55 AM PDT	SE 5.8	10.00	Cloudy	--	63.0	53.1	70%	NA	NA	29.99	1015.6
07:55 AM PDT	4.7	10.00	Cloudy	--	62.1	54.0	75%	NA	NA	29.99	1015.6
06:55 AM PDT	S 3.4	10.00	Cloudy	--	62.1	54.0	75%	NA	NA	29.98	1015.2
05:55 AM PDT	S 3.4	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.96	1014.6
04:55 AM PDT	SW 3.4	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.96	1014.6
03:55 AM PDT	0.0	10.00	Cloudy	--	61.0	53.1	75%	NA	NA	29.96	1014.6
02:55 AM PDT	SE 5.8	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.97	1014.9
01:55 AM PDT	3.4	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	29.99	1015.6
12:55 AM PDT	3.4	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	30.00	1015.9
11:55 PM PDT	SE 4.7	10.00	Cloudy	--	62.1	54.0	75%	NA	NA	30.00	1015.9
10:55 PM PDT	0.0	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	30.01	1016.3
09:55 PM PDT	0.0	10.00	Cloudy	--	62.1	55.0	78%	NA	NA	30.01	1016.3
09:02 PM PDT	4.7	10.00	Cloudy	--	61.0	54.0	78%	NA	NA	30.00	1015.9
08:55 PM PDT	3.4	10.00	Partly Cloudy	--	61.0	54.0	78%	NA	NA	29.99	1015.6
07:55 PM PDT	SW 4.7	10.00	Mostly Clear	--	60.1	54.0	80%	NA	NA	29.98	1015.2
06:55 PM PDT	SW 6.9	10.00	Mostly Clear	--	64.0	54.0	70%	NA	NA	29.97	1014.9
05:55 PM PDT	W 6.9	10.00	Partly Cloudy	--	66.9	54.0	63%	NA	NA	29.97	1014.9
04:55 PM PDT	SW 9.2	10.00	Partly Cloudy	--	66.9	54.0	63%	NA	NA	29.98	1015.2