5-day weather forecast San Diego Oct 20, 2026
21°Weather forecast San Diego Tuesday Oct 20, 2026: sunny, temperature from 19 °C to 21 °C.
Precipitation probability 14%. Wind up to 4.19 m/s (gusts 8.81 m/s). Air humidity 66–76%, atmospheric pressure 758–759 mm Hg, UV index up to 5.8.
5 days at a glance — tap a day to open it
Sunrise 06:56
Sunset 18:10
Sunset 18:10
Waxing Gibbous77% illuminated
Moonrise 15:21 · Moonset 01:43
Moonrise 15:21 · Moonset 01:43
Chart
Table
Tue, Oct 20, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 20 °C | 8% | 0% | 76% | 759 mm Hg | W 273° 2.19 (6.19) m/s | 0 |
| 01:00 | Clear | 20 °C | 7% | 0% | 76% | 759 mm Hg | W 269° 2.31 (5.31) m/s | 0 |
| 02:00 | Clear | 20 °C | 7% | 0% | 76% | 759 mm Hg | W 273° 2.11 (7.11) m/s | 0 |
| 03:00 | Clear | 20 °C | 7% | 0% | 76% | 758 mm Hg | W 270° 1.5 (5.5) m/s | 0 |
| 04:00 | Clear | 20 °C | 8% | 0% | 76% | 758 mm Hg | W 281° 1.61 (5.61) m/s | 0 |
| 05:00 | Clear | 20 °C | 8% | 0% | 76% | 758 mm Hg | WNW 288° 1.81 (5.81) m/s | 0 |
| 06:00 | Clear | 20 °C | 8% | 0% | 76% | 759 mm Hg | WNW 287° 2 (6) m/s | 0 |
| 07:00 | Sunny | 20 °C | 7% | 0% | 76% | 759 mm Hg | WNW 290° 2.11 (7.11) m/s | 0 |
| 08:00 | Sunny | 20 °C | 7% | 0% | 74% | 759 mm Hg | WNW 295° 1.81 (4.81) m/s | 0.2 |
| 09:00 | Sunny | 20 °C | 6% | 0% | 71% | 759 mm Hg | WNW 290° 1.81 (6.81) m/s | 1 |
| 10:00 | Sunny | 21 °C | 5% | 0% | 69% | 759 mm Hg | W 271° 2.31 (6.31) m/s | 2.4 |
| 11:00 | Sunny | 21 °C | 5% | 0% | 66% | 759 mm Hg | W 269° 3.31 (8.31) m/s | 4.1 |
| 12:00 | Sunny | 21 °C | 5% | 0% | 66% | 759 mm Hg | W 271° 3.81 (8.81) m/s | 5.4 |
| 13:00 | Sunny | 21 °C | 5% | 0% | 66% | 759 mm Hg | W 271° 3.5 (8.5) m/s | 5.8 |
| 14:00 | Sunny | 21 °C | 4% | 0% | 66% | 758 mm Hg | W 268° 3.81 (8.81) m/s | 5 |
| 15:00 | Sunny | 21 °C | 5% | 0% | 67% | 758 mm Hg | W 272° 4.19 (8.19) m/s | 3.5 |
| 16:00 | Sunny | 20 °C | 5% | 0% | 67% | 758 mm Hg | W 270° 3.69 (7.69) m/s | 1.8 |
| 17:00 | Sunny | 20 °C | 5% | 0% | 68% | 758 mm Hg | W 271° 3.39 (8.39) m/s | 0.6 |
| 18:00 | Sunny | 20 °C | 6% | 0% | 70% | 758 mm Hg | W 272° 2.89 (6.89) m/s | 0 |
| 19:00 | Clear | 20 °C | 6% | 2% | 71% | 758 mm Hg | W 266° 2.61 (7.61) m/s | 0 |
| 20:00 | Clear | 19 °C | 6% | 6% | 71% | 759 mm Hg | WSW 257° 1.89 (6.89) m/s | 0 |
| 21:00 |  Partly cloudy | 19 °C | 8% | 26% | 72% | 759 mm Hg | WSW 253° 2.81 (7.81) m/s | 0 |
| 22:00 | Partly cloudy | 19 °C | 11% | 50% | 72% | 759 mm Hg | WSW 239° 2.39 (7.39) m/s | 0 |
| 23:00 |  Cloudy | 19 °C | 14% | 73% | 72% | 759 mm Hg | SW 225° 2.19 (2.19) m/s | 0 |
Tue, Oct 20, 2026
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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.