5-day weather forecast San Francisco 09-08-2026
Weather forecast San Francisco Sunday, August 9 09.08.2026: sunny, temperature from 14 °C to 19 °C.
Precipitation probability 14%. Wind up to 5.81 m/s (gusts 8.47 m/s). Air humidity 67–88%, atmospheric pressure 757–758 mm Hg, UV index up to 9.
5 days at a glance — tap a day to open it
Sunrise 06:20
Sunset 20:10
Sunset 20:10
Waning Crescent9% illuminated
Moonrise 02:05 · Moonset 17:57
Moonrise 02:05 · Moonset 17:57
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 15 °C | 9% | 0% | 80% | 758 mm Hg | SW 222° 3.61 (5.94) m/s | 0 |
| 01:00 | Clear | 15 °C | 9% | 0% | 80% | 758 mm Hg | SW 218° 3.61 (5.89) m/s | 0 |
| 02:00 | Clear | 15 °C | 10% | 0% | 81% | 758 mm Hg | SW 224° 3.5 (5.72) m/s | 0 |
| 03:00 | Clear | 15 °C | 10% | 0% | 83% | 758 mm Hg | SW 222° 3.39 (5.56) m/s | 0 |
| 04:00 | Clear | 15 °C | 11% | 1% | 84% | 758 mm Hg | SW 224° 3.19 (5.22) m/s | 0 |
| 05:00 | Clear | 14 °C | 12% | 3% | 86% | 758 mm Hg | SW 229° 3 (4.89) m/s | 0 |
| 06:00 | Clear | 14 °C | 12% | 5% | 87% | 758 mm Hg | SW 233° 2.69 (4.42) m/s | 0 |
| 07:00 |  Sunny | 14 °C | 12% | 6% | 86% | 758 mm Hg | SW 231° 2.39 (3.92) m/s | 0.2 |
| 08:00 | Sunny | 15 °C | 10% | 4% | 82% | 758 mm Hg | SW 235° 2.31 (3.36) m/s | 0.8 |
| 09:00 | Sunny | 16 °C | 8% | 0% | 78% | 758 mm Hg | WSW 239° 2.31 (3.19) m/s | 2.2 |
| 10:00 | Sunny | 17 °C | 7% | 0% | 74% | 758 mm Hg | WSW 245° 2.5 (3.39) m/s | 4.3 |
| 11:00 | Sunny | 18 °C | 6% | 0% | 71% | 758 mm Hg | WSW 249° 2.89 (3.92) m/s | 6.6 |
| 12:00 | Sunny | 18 °C | 5% | 0% | 68% | 758 mm Hg | WSW 252° 3.19 (4.44) m/s | 8.2 |
| 13:00 | Sunny | 19 °C | 5% | 0% | 67% | 758 mm Hg | WSW 253° 3.61 (5.08) m/s | 9 |
| 14:00 | Sunny | 19 °C | 5% | 0% | 67% | 758 mm Hg | WSW 257° 4.11 (6) m/s | 8.6 |
| 15:00 | Sunny | 18 °C | 5% | 0% | 68% | 758 mm Hg | WSW 254° 4.89 (7.22) m/s | 7.1 |
| 16:00 | Sunny | 17 °C | 6% | 0% | 71% | 758 mm Hg | WSW 254° 5.69 (8.36) m/s | 4.8 |
| 17:00 | Sunny | 17 °C | 7% | 0% | 74% | 757 mm Hg | WSW 255° 5.81 (8.14) m/s | 2.6 |
| 18:00 | Sunny | 17 °C | 8% | 0% | 77% | 757 mm Hg | WSW 257° 5.81 (8.06) m/s | 1 |
| 19:00 | Sunny | 16 °C | 10% | 3% | 81% | 757 mm Hg | WSW 257° 5.5 (7.83) m/s | 0.3 |
| 20:00 | Sunny | 15 °C | 12% | 9% | 85% | 758 mm Hg | WSW 254° 5.61 (8.47) m/s | 0 |
| 21:00 | Clear | 14 °C | 14% | 23% | 88% | 758 mm Hg | WSW 254° 4.19 (6.39) m/s | 0 |
| 22:00 | Clear | 14 °C | 14% | 22% | 88% | 758 mm Hg | WSW 249° 3.81 (5.83) m/s | 0 |
| 23:00 | Clear | 14 °C | 13% | 16% | 86% | 758 mm Hg | SW 236° 4.39 (6.78) 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.