Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	1.39	1.31	1.5	1.81	2	2.19	2.19	2.19	1.81	1.81	2.19	3.39	4	4.5	4.69	4.31	3.61	2.81	3.81	3	2.31	2.31	2.89	3.19
Wind gust (m/s)	1.53	1.5	1.5	1.83	2.11	2.22	2.31	2.19	6.81	5.81	5.19	8.39	7	8.5	9.69	7.31	6.61	6.81	8.81	7	5.31	5.31	5.89	6.19
Wind direction (°)	NW 305°	NW 321°	NW 322°	NW 317°	NW 324°	NW 322°	NW 324°	NW 323°	NW 320°	NW 314°	WNW 294°	W 276°	W 268°	W 268°	W 274°	W 279°	W 276°	W 279°	W 276°	WNW 294°	WNW 295°	W 279°	W 275°	W 280°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	60	59	59	59	60	61	64	65	64	61	59	60	63	65	66	66	65	65	68	71	71	72	73	73

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	760	760	760	759	759	759	760	760	760	760	760	760	760	759	759	759	758	758	758	758	759	759	759	759

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	0.2	1	2.4	4.1	5.5	5.8	5	3.5	1.8	0.6	0	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	30.2	28.3	26.5	24.9	23.6	22.5	21.8	21.8	22.9	24.1	23.3	27.1	27.9	27	24.3	21.2	18.7	17.2	17	18.7	21.1	23.6	26.1	28.6
PM10 (µg/m³)	41.8	36.8	32.5	29.5	27.2	25.6	24.5	24.3	25.1	26.7	36.4	43.9	44.6	42.5	38.3	33.9	30.5	28.1	25.6	26.6	28.8	31.1	33.5	35.6
Ozone (O₃) (µg/m³)	1	0	0	0	0	0	0	0	3	17	37	55	70	83	91	93	91	81	59	30	9	3	4	6
NO₂ (µg/m³)	59.4	53	47	43	39.5	36	31.8	27.6	25	25.8	28.3	28.5	24.1	17.5	12.3	8.1	5.3	8.4	22.8	43.3	58.3	62.7	61.7	59.6
SO₂ (µg/m³)	1.9	1.6	1.3	1.1	0.9	0.8	0.9	1.1	1.3	1.7	2.1	2.4	2.5	2.4	2.2	1.9	1.5	1.3	1.3	1.5	1.8	2.2	2.6	2.9
CO (µg/m³)	189	228	262	283	299	313	330	346	348	330	298	264	227	187	154	132	118	109	107	111	115	116	117	116

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Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

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5-day weather forecast San Diego Oct 19, 2026

Forecast from 21 °C to 24 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction