5-day weather forecast San Diego 27-07-2026

Weather forecast San Diego today 27.07.2026: overcast, temperature from 20 °C to 28 °C.

Precipitation probability 35%. Wind up to 3.81 m/s (gusts 4.36 m/s). Air humidity 73–100%, atmospheric pressure 758–760 mm Hg, UV index up to 9.9.

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ModerateJul 27, 05:24 AM — Jul 27, 07:00 PMTranslate with Google

Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA

Heat Advisory

* WHAT...High temperatures in the mid 80s for the mesas and low temperatures in the upper 60s and lower 70s. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

ModerateJul 27, 05:24 AM — Jul 27, 07:00 PMTranslate with Google

Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA

Heat Advisory

* WHAT...High temperatures in the upper 80s to upper 90s and low temperatures in the upper 60s to low 70s. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

ModerateJul 27, 05:24 AM — Jul 27, 07:00 PMTranslate with Google

Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA

Heat Advisory

* WHAT...Temperatures in the mid to upper 90s with low temperatures in the upper 60s to low 70s. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

MinorJul 27, 01:36 PM — Jul 27, 09:45 PMTranslate with Google

Coastal Flood Advisory issued July 27 at 1:36PM PDT until August 1 at 3:00AM PDT by NWS San Diego CA

Coastal Flood Advisory

* WHAT...For the Beach Hazards Statement, 3-6 feet with sets to 7 feet expected. For the Coastal Flood Advisory, minor coastal flooding expected. For the High Surf Advisory, large breaking waves of 5-8 feet with sets up to 9 feet on south-southwest facing beaches and 3-6 feet on west-facing beaches. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Beach Hazards Statement, through Wednesday afternoon. For the Coastal Flood Advisory, from 5 PM Wednesday to 3 AM PDT Saturday. For the High Surf Advisory, from 5 PM Wednesday to 5 PM PDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous swimming and surfing conditions and localized beach erosion. Breaking waves can sweep people off jetties and docks, and into dangerous seas. * ADDITIONAL DETAILS...A long period southerly swell of 3 feet at 17 seconds continues through Wednesday. A higher amplitude swell associated with Hurricane Genevieve of around 5 feet at 14 seconds builds late Wednesday into Thursday. Swell and associated surf look to subside late Saturday into Sunday. Also, the following are the evening high tides for La Jolla: Wednesday: 6.11 ft at 9:36 PM PDT Thursday: 5.96 ft at 10:08 PM PDT Friday: 5.65 ft at 10:41 PM PDT Note, tides have been chronically underpredicted this summer, with observed tides at La Jolla generally 0.3-0.4 ft higher than these predictions.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

MinorJul 27, 01:36 PM — Jul 27, 09:45 PMTranslate with Google

High Surf Advisory issued July 27 at 1:36PM PDT until August 1 at 5:00PM PDT by NWS San Diego CA

High Surf Advisory

Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

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

Sunrise 05:59
Sunset 19:51

Full Moon99% illuminated
Moonrise 19:11 · Moonset 04:16

Chart

Table

Mon, Jul 27, 2026

Tue, Jul 28 →

		Temperature	Rain chance	Cloud cover	Humidity	Pressure	Wind	UV Index
00:00	Overcast	22 °C	30%	96%	92%	759 mm Hg	SSW 208° 2.31 (3) m/s	0
01:00	Overcast	22 °C	31%	100%	93%	759 mm Hg	SSW 212° 2.19 (2.86) m/s	0
02:00	Mist	22 °C	33%	100%	95%	760 mm Hg	WSW 238° 1.31 (1.67) m/s	0
03:00	Mist	22 °C	33%	100%	96%	759 mm Hg	SW 228° 1.31 (1.69) m/s	0
04:00	Fog	21 °C	34%	100%	98%	759 mm Hg	SW 229° 1.19 (1.58) m/s	0
05:00	Mist	22 °C	33%	100%	96%	759 mm Hg	WSW 238° 1.19 (1.58) m/s	0
06:00	Overcast	22 °C	31%	100%	93%	759 mm Hg	WSW 257° 1.31 (1.75) m/s	0
07:00	Patchy rain possible	22 °C	32% (0.01 mm/hr)	100%	92%	760 mm Hg	WSW 240° 1.5 (1.92) m/s	0.4
08:00	Patchy rain possible	22 °C	32% (0.01 mm/hr)	100%	92%	760 mm Hg	WSW 246° 1.5 (1.83) m/s	1.3
09:00	Overcast	23 °C	29%	100%	89%	760 mm Hg	WSW 246° 1.89 (2.22) m/s	3.1
10:00	Overcast	24 °C	27%	100%	85%	760 mm Hg	WSW 244° 2.39 (2.75) m/s	5.5
11:00	Partly cloudy	27 °C	11%	32%	79%	760 mm Hg	WSW 237° 3.11 (3.58) m/s	7.8
12:00	Sunny	28 °C	8%	21%	75%	760 mm Hg	WSW 237° 3.61 (4.14) m/s	9.3
13:00	Partly cloudy	28 °C	9%	27%	74%	760 mm Hg	SW 233° 3.81 (4.36) m/s	9.9
14:00	Sunny	28 °C	8%	23%	74%	759 mm Hg	SW 236° 3.69 (4.25) m/s	9
15:00	Sunny	28 °C	8%	21%	73%	759 mm Hg	WSW 240° 3.61 (4.14) m/s	7.3
16:00	Partly cloudy	27 °C	9%	26%	75%	759 mm Hg	WSW 239° 3.5 (4.03) m/s	4.7
17:00	Partly cloudy	26 °C	11%	31%	78%	758 mm Hg	WSW 238° 3.31 (3.81) m/s	2.4
18:00	Partly cloudy	25 °C	13%	39%	81%	758 mm Hg	WSW 248° 3 (3.44) m/s	0.8
19:00	Overcast	23 °C	29%	100%	89%	758 mm Hg	WSW 245° 2.81 (3.22) m/s	0.2
20:00	Mist	21 °C	32%	100%	95%	758 mm Hg	WSW 243° 2.31 (2.75) m/s	0
21:00	Fog	20 °C	35%	100%	99%	759 mm Hg	SW 225° 2 (2.47) m/s	0
22:00	Fog	20 °C	35%	100%	100%	759 mm Hg	SW 214° 1.69 (2.14) m/s	0
23:00	Fog	20 °C	34%	100%	98%	759 mm Hg	SW 216° 1.81 (2.28) m/s	0

Mon, Jul 27, 2026

Tue, Jul 28 →

Frequently asked questions about the 5-day weather in San Diego

Over the next 5 days in San Diego the temperature is expected to range from about 20 to 28 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

The chance of rain in San Diego over the next 5 days reaches 35%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Over the next 5 days the temperature in San Diego ranges from about 20 to 28 °C. Compare the warmest and coolest day on the temperature chart above.

Over the next 5 days the wind in San Diego picks up to 4 m/s. The windiest days are easy to spot on the wind chart above.

For a walk or a trip, pick the days with the lowest chance of rain (up to 35%) and light wind — easy to compare on the 5-day charts above.

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

San Diego on the map

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.

Learn more about our methodology →