5-day weather forecast San Diego Sep 28, 2026

23°21° · Sunny

Weather forecast San Diego Monday Sep 28, 2026: sunny, temperature from 21 °C to 23 °C.

Precipitation probability 17%. Wind up to 4.81 m/s (gusts 9.61 m/s). Air humidity 54–71%, atmospheric pressure 755–758 mm Hg, UV index up to 7.7.

Weather Alerts

ModerateSep 25, 08:48 PM — Sep 26, 06:00 AMTranslate with Google

Beach Hazards Statement issued September 25 at 8:48PM PDT until September 30 at 4:00PM PDT by NWS San Diego CA

Beach Hazards Statement

* WHAT...Elevated surf of 3-5 feet with sets up to 6 feet through next Tuesday. Astronomical tides of 6.0-6.5 feet through Sunday, rising to 6.5-7.0 feet Monday through Wednesday leading to minor tidal overflow. * WHERE...Beaches of Orange and San Diego Counties. * WHEN...Through Wednesday afternoon. * IMPACTS...Minor tidal overflow and minor coastal erosion expected during high tides. Additionally, elevated surf will lead to strong rip currents. * ADDITIONAL DETAILS...High tides will approach 7.0 feet each morning Monday through Wednesday. These water levels in combination with elevated surf provides a window for moderate coastal flooding on Monday and Tuesday, especially along south and southwest-facing beaches.

Remain out of the water to avoid hazardous swimming conditions.

ModerateSep 26, 05:36 AM — Sep 26, 02:15 PMTranslate with Google

Beach Hazards Statement issued September 26 at 5:36AM PDT until September 30 at 4:00PM PDT by NWS San Diego CA

Beach Hazards Statement

Remain out of the water to avoid hazardous swimming conditions.

5 days at a glance — tap a day to open it

Sunrise 06:40
Sunset 18:37

Waning Gibbous91% illuminated
Moonrise 19:34 · Moonset 08:40

Chart

Table

← Sun, Sep 27

Mon, Sep 28, 2026

Tue, Sep 29 →

Forecast from 21 °C to 23 °C and precipitation

Temperature & Precipitation
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
Temperature (°C)	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	22	22	22	22	21	21	21	21	21
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
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
Cloud cover (%)	100	100	100	100	100	45	42	1	2	5	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Rain chance (%)	17	17	17	17	17	8	9	6	6	5	4	3	3	3	2	3	3	3	3	4	4	4	4	4

Wind speed and direction

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)	4	3.61	2.89	2.31	2.61	3.11	2.69	3.19	3.89	2.81	4	4.19	3.89	4.61	4.81	4.81	4.81	4.61	4.5	3.89	2.69	2.11	1.31	1.11
Wind gust (m/s)	9	6.61	3	5.31	5.61	6.11	5.69	7.19	6.89	7.81	9	8.19	7.89	9.61	8.81	8.81	8.81	7.61	4.5	4.31	3	6.11	6.31	4.11
Wind direction (°)	WNW 300°	NW 318°	NNW 331°	NW 312°	WNW 299°	NW 305°	WNW 300°	WNW 302°	NW 307°	WNW 295°	W 281°	W 280°	W 272°	W 277°	W 281°	W 270°	W 279°	WNW 293°	WNW 302°	NW 313°	NW 323°	WNW 296°	WNW 296°	W 277°

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 (%)	68	69	68	67	67	68	69	71	71	66	62	59	56	55	54	58	59	60	61	62	61	64	64	64

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)	758	758	758	758	758	758	757	758	758	758	758	758	758	757	757	756	755	755	755	755	755	756	756	755

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	0.5	1.6	3.5	5.7	7.3	7.7	6.8	4.9	2.8	1	0.2	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)	20.4	20.3	19.5	18.2	15.1	14.1	14.3	15.5	14.9	15.7	16.5	17.3	17.8	17.2	16.1	15.8	15.5	15.4	15.2	14.7	14.4	13	13.9	16.9
PM10 (µg/m³)	24.3	24.2	23.4	22.2	18.1	16.9	17.2	18.6	18.5	20.3	21.2	22.5	23.2	22.5	21	20.5	20.3	20.2	20.1	19.7	19.4	17	17.6	20.7
Ozone (O₃) (µg/m³)	46	38	33	33	37	40	41	41	45	56	70	83	94	103	109	111	109	105	99	91	80	62	40	23
NO₂ (µg/m³)	25.1	27.6	28.7	27.3	24.6	22.6	23	24	23.2	18.4	11.6	6.3	3.8	2.7	2.2	2	2.4	3.4	4	5.2	10	21.9	37.3	49
SO₂ (µg/m³)	1.6	1.5	1.4	1.3	1.1	1	1	1.1	1.2	1.3	1.3	1.3	1.2	1	0.8	0.7	0.7	0.7	0.7	0.8	0.9	1.1	1.4	1.6
CO (µg/m³)	131	130	130	130	130	131	135	139	139	131	119	110	106	104	106	112	121	129	133	136	141	150	160	168

← Sun, Sep 27

Mon, Sep 28, 2026

Tue, Sep 29 →

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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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