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)

Mostly Cloudy

50.0 F

Humidity:	83%
Wind Speed:	4.7 mph
Barometer:	30.01 in
Dewpoint:	45.0 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Apr 27 2026, 12:55 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)
12:55 AM PDT	4.7	10.00	Mostly Cloudy	--	50.0	45.0	83%	NA	NA	30.01	1016.3
11:55 PM PDT	3.4	10.00	Clear	--	NULL	44.1	%	NA	NA	30.01	1016.3
10:55 PM PDT	W 4.7	10.00	Clear	--	53.1	44.1	71%	NA	NA	30.01	1016.3
09:55 PM PDT	W 4.7	10.00	Cloudy	--	57.9	45.0	62%	NA	NA	30.01	1016.3
08:55 PM PDT	W 3.4	10.00	Mostly Cloudy	--	57.0	46.9	69%	NA	NA	30.00	1015.9
07:55 PM PDT	4.7	10.00	Clear	--	57.0	46.9	69%	NA	NA	29.99	1015.6
06:55 PM PDT	W 10.3	10.00	Clear	--	61.0	44.1	54%	NA	NA	29.99	1015.6
05:55 PM PDT	W 10.3 G 20.8	10.00	Clear	--	63.0	45.0	52%	NA	NA	29.98	1015.2
04:55 PM PDT	W 10.3	10.00	Mostly Cloudy	--	63.0	46.9	56%	NA	NA	29.98	1015.2
03:55 PM PDT	10.3 G 20.8	10.00	Mostly Clear	--	66.0	44.1	45%	NA	NA	29.97	1014.9
02:55 PM PDT	12.8 G 20.8	10.00	Partly Cloudy	--	64.9	46.9	52%	NA	NA	29.98	1015.2
01:55 PM PDT	11.4 G 21.9	10.00	Mostly Cloudy	--	64.9	46.0	50%	NA	NA	29.99	1015.6
12:55 PM PDT	W 16.1 G 24.2	10.00	Mostly Clear	--	66.0	45.0	47%	NA	NA	29.98	1015.2
11:55 AM PDT	W 11.4	10.00	Mostly Clear	--	64.9	46.9	52%	NA	NA	29.98	1015.2
10:55 AM PDT	W 16.1 G 27.7	10.00	Partly Cloudy	--	63.0	48.0	58%	NA	NA	29.98	1015.2
10:14 AM PDT	W 13.9 G 24.2	10.00	Mostly Cloudy	--	61.0	48.9	64%	NA	NA	29.97	1014.9
09:55 AM PDT	W 15.0	10.00	Mostly Cloudy	--	62.1	50.0	65%	NA	NA	29.96	1014.6
09:32 AM PDT	W 13.9	10.00	Mostly Cloudy	--	61.0	51.1	70%	NA	NA	29.95	1014.2
09:21 AM PDT	12.8 G 20.8	10.00	Cloudy	--	59.0	51.1	75%	NA	NA	29.95	1014.2
08:55 AM PDT	12.8	10.00	Cloudy	--	61.0	53.1	75%	NA	NA	29.94	1013.9
08:28 AM PDT	SW 6.9	10.00	Mostly Cloudy	--	59.0	53.1	81%	NA	NA	29.94	1013.9
07:55 AM PDT	10.3	10.00	Mostly Cloudy	Trace	57.0	53.1	87%	NA	NA	29.94	1013.9
06:55 AM PDT	6.9	10.00	Light Rain	Trace	55.9	52.0	87%	NA	NA	29.92	1013.2
05:55 AM PDT	SW 6.9	10.00	Cloudy	--	55.9	51.1	84%	NA	NA	29.91	1012.9
04:55 AM PDT	SW 6.9	10.00	Cloudy	--	55.0	52.0	89%	NA	NA	29.89	1012.2
03:55 AM PDT	SW 6.9	10.00	Mostly Cloudy	Trace	55.0	52.0	89%	NA	NA	29.89	1012.2
02:55 AM PDT	G 21.9	10.00	Light Rain	Trace	55.9	52.0	87%	NA	NA	29.89	1012.2
02:22 AM PDT	SW 4.7	10.00	Cloudy	Trace	55.9	54.0	93%	NA	NA	29.90	1012.5
02:11 AM PDT	SW 3.4	8.00	NULL	--	55.9	54.0	93%	NA	NA	29.90	1012.5
01:55 AM PDT	4.7	10.00	Cloudy	00.02	55.9	53.1	90%	NA	NA	29.90	1012.5
01:38 AM PDT	8.1	10.00	Light Rain	00.02	55.9	53.1	90%	NA	NA	29.90	1012.5
12:55 AM PDT	0.0	9.00	Cloudy	--	55.9	54.0	93%	NA	NA	29.92	1013.2
11:55 PM PDT	0.0	10.00	Mostly Cloudy	--	54.0	52.0	93%	NA	NA	29.92	1013.2
10:55 PM PDT	3.4	10.00	Partly Cloudy	--	54.0	53.1	97%	NA	NA	29.92	1013.2
09:55 PM PDT	0.0	10.00	Cloudy	00.09	55.9	53.1	90%	NA	NA	29.94	1013.6
09:47 PM PDT	0.0	4.00	Light Rain and Fog/Mist	00.09	55.0	53.1	93%	NA	NA	29.94	1013.6
09:40 PM PDT	3.4	3.00	Light Rain and Fog/Mist	00.08	55.0	53.1	93%	NA	NA	29.94	1013.6
09:28 PM PDT	W 8.1	1.75	Heavy Rain and Fog/Mist	00.05	55.9	54.0	93%	NA	NA	29.94	1013.6
09:10 PM PDT	SW 3.4	10.00	Cloudy	--	57.9	51.1	78%	NA	NA	29.94	1013.6
08:55 PM PDT	SW 3.4	10.00	Mostly Cloudy	--	57.9	51.1	78%	NA	NA	29.92	1013.2
07:55 PM PDT	5.8	10.00	Cloudy	--	59.0	50.0	72%	NA	NA	29.91	1012.9
07:24 PM PDT	0.0	10.00	Cloudy	--	57.9	51.1	78%	NA	NA	29.91	1012.9
06:55 PM PDT	W 6.9	10.00	Cloudy	Trace	59.0	51.1	75%	NA	NA	29.91	1012.9
06:27 PM PDT	8.1	10.00	Cloudy	Trace	57.9	53.1	84%	NA	NA	29.91	1012.9
05:55 PM PDT	W 10.3	10.00	Light Rain	Trace	59.0	52.0	78%	NA	NA	29.91	1012.9
05:11 PM PDT	11.4	10.00	Light Rain	Trace	60.1	51.1	72%	NA	NA	29.91	1012.9
05:04 PM PDT	15.0	10.00	Cloudy	--	61.0	50.0	67%	NA	NA	29.90	1012.5
04:55 PM PDT	SW 10.3	10.00	Cloudy	--	62.1	48.9	62%	NA	NA	29.90	1012.5
03:55 PM PDT	SW 12.8	10.00	Cloudy	--	64.0	48.0	56%	NA	NA	29.91	1012.9
02:55 PM PDT	11.4 G 20.8	10.00	Cloudy	--	66.0	46.0	48%	NA	NA	29.91	1012.9
01:55 PM PDT	SW 9.2 G 21.9	10.00	Cloudy	--	68.0	46.0	45%	NA	NA	29.91	1012.9
12:55 PM PDT	W 15.0 G 34.4	10.00	Mostly Cloudy	--	66.0	48.0	52%	NA	NA	29.92	1013.2
11:55 AM PDT	SW 10.3 G 19.7	10.00	Mostly Cloudy	--	66.0	48.0	52%	NA	NA	29.94	1013.9
10:55 AM PDT	W 12.8 G 18.3	10.00	Cloudy	--	64.0	50.0	60%	NA	NA	29.94	1013.9
10:03 AM PDT	5.8	10.00	Mostly Cloudy	--	62.1	50.0	65%	NA	NA	29.94	1013.6
09:55 AM PDT	3.4	10.00	Cloudy	--	62.1	50.0	65%	NA	NA	29.94	1013.6
09:08 AM PDT	SW 6.9	10.00	Cloudy	--	61.0	50.0	67%	NA	NA	29.94	1013.6
08:55 AM PDT	8.1	10.00	Cloudy	--	61.0	51.1	70%	NA	NA	29.94	1013.9
07:55 AM PDT	6.9	10.00	Cloudy	Trace	60.1	52.0	75%	NA	NA	29.94	1013.6
07:42 AM PDT	5.8	10.00	Cloudy	Trace	59.0	52.0	78%	NA	NA	29.94	1013.6
07:08 AM PDT	SW 5.8	10.00	Light Rain	Trace	59.0	53.1	81%	NA	NA	29.92	1013.2
06:55 AM PDT	0.0	10.00	Cloudy	--	59.0	52.0	78%	NA	NA	29.92	1013.2
05:55 AM PDT	4.7	10.00	Cloudy	--	57.0	52.0	83%	NA	NA	29.90	1012.5
04:55 AM PDT	4.7	10.00	Mostly Cloudy	--	57.0	52.0	83%	NA	NA	29.89	1012.2
04:28 AM PDT	5.8	10.00	Mostly Cloudy	--	57.9	52.0	81%	NA	NA	29.89	1012.2
03:55 AM PDT	3.4	10.00	Cloudy	Trace	59.0	53.1	81%	NA	NA	29.89	1012.2
02:55 AM PDT	5.8	10.00	Mostly Cloudy	--	57.9	51.1	78%	NA	NA	29.90	1012.5
01:55 AM PDT	8.1	10.00	Cloudy	--	59.0	52.0	78%	NA	NA	29.90	1012.5
12:55 AM PDT	5.8	10.00	Cloudy	--	59.0	50.0	72%	NA	NA	29.91	1012.9
12:30 AM PDT	S 5.8	10.00	Cloudy	--	60.1	50.0	69%	NA	NA	29.92	1013.2
12:16 AM PDT	3.4	10.00	Cloudy	--	60.1	51.1	72%	NA	NA	29.91	1012.9
11:55 PM PDT	SE 3.4	10.00	Cloudy	--	60.1	51.1	72%	NA	NA	29.91	1012.9