5-day weather forecast San Diego 20-08-2026
Weather forecast San Diego Thursday, August 20 20.08.2026: patchy rain possible, temperature from 13 °C to 15 °C.
Precipitation probability 21%. Wind up to 10.39 m/s (gusts 12.42 m/s). Air humidity 57–65%, atmospheric pressure 764–770 mm Hg, UV index up to 10.1.
5 days at a glance — tap a day to open it
Sunrise 06:15
Sunset 19:28
Sunset 19:28
First Quarter58% illuminated
Moonrise 14:40 · Moonset Does not set today
Moonrise 14:40 · Moonset Does not set today
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 13 °C | 11% (0.01 mm/hr) | 72% | 61% | 770 mm Hg | E 93° 2.31 (5.31) m/s | 0 |
| 01:00 | Patchy rain possible | 13 °C | 12% (0.01 mm/hr) | 75% | 60% | 770 mm Hg | E 87° 2.19 (6.19) m/s | 0 |
| 02:00 | Patchy rain possible | 13 °C | 15% (0.01 mm/hr) | 100% | 60% | 770 mm Hg | E 83° 2.31 (7.31) m/s | 0 |
| 03:00 | Patchy rain possible | 13 °C | 10% (0.01 mm/hr) | 74% | 58% | 770 mm Hg | ENE 60° 1.19 (1.19) m/s | 0 |
| 04:00 |  Clear | 13 °C | 3% | 0% | 58% | 770 mm Hg | NE 53° 1.11 (1.11) m/s | 0 |
| 05:00 | Clear | 13 °C | 3% | 0% | 59% | 769 mm Hg | ENE 67° 1.69 (1.72) m/s | 0 |
| 06:00 | Clear | 13 °C | 3% | 0% | 59% | 769 mm Hg | ENE 69° 2.11 (7.11) m/s | 0 |
| 07:00 |  Sunny | 13 °C | 3% | 0% | 59% | 769 mm Hg | ENE 62° 2.5 (2.53) m/s | 0.2 |
| 08:00 |  Partly cloudy | 13 °C | 5% | 29% | 58% | 770 mm Hg | NE 52° 2.81 (2.81) m/s | 1 |
| 09:00 | Sunny | 13 °C | 4% | 5% | 58% | 770 mm Hg | NNE 29° 3.11 (3.11) m/s | 2.7 |
| 10:00 | Partly cloudy | 13 °C | 7% | 46% | 59% | 770 mm Hg | NE 36° 3.19 (3.31) m/s | 5.3 |
| 11:00 |  Overcast | 13 °C | 14% | 94% | 62% | 769 mm Hg | NE 40° 4.19 (4.33) m/s | 8 |
| 12:00 |  Patchy rain possible | 14 °C | 16% (0.01 mm/hr) | 100% | 61% | 769 mm Hg | NNE 26° 3.69 (3.92) m/s | 9.8 |
| 13:00 | Overcast | 14 °C | 15% | 100% | 61% | 768 mm Hg | NNE 19° 5 (5.03) m/s | 10.1 |
| 14:00 | Overcast | 14 °C | 14% | 100% | 58% | 768 mm Hg | N 2° 4.61 (4.81) m/s | 9 |
| 15:00 | Overcast | 14 °C | 14% | 100% | 57% | 767 mm Hg | N 6° 5 (5.33) m/s | 6.7 |
| 16:00 | Overcast | 14 °C | 14% | 99% | 58% | 767 mm Hg | N 8° 5.81 (6.11) m/s | 4.2 |
| 17:00 | Overcast | 14 °C | 14% | 100% | 57% | 767 mm Hg | N 6° 5.69 (6) m/s | 1.9 |
| 18:00 | Overcast | 14 °C | 15% | 100% | 60% | 766 mm Hg | N 354° 6.11 (7) m/s | 0.6 |
| 19:00 | Patchy rain possible | 14 °C | 18% (0.04 mm/hr) | 100% | 63% | 766 mm Hg | N 350° 7.5 (8.61) m/s | 0 |
| 20:00 |  Overcast | 15 °C | 15% | 100% | 60% | 766 mm Hg | N 8° 7.89 (8.5) m/s | 0 |
| 21:00 | Patchy rain possible | 15 °C | 16% (0.01 mm/hr) | 100% | 62% | 764 mm Hg | N 358° 9.5 (11) m/s | 0 |
| 22:00 | Patchy rain possible | 15 °C | 21% (0.06 mm/hr) | 100% | 65% | 764 mm Hg | N 355° 10.39 (12.42) m/s | 0 |
| 23:00 | Patchy rain possible | 15 °C | 16% (0.02 mm/hr) | 100% | 62% | 766 mm Hg | N 2° 9.31 (10.31) m/s | 0 |
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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.