| Point Forecast: San Luis Obispo CA 35.27N 120.66W (Elev. 262 ft) |
Last Update: 11:27 am PDT Jul 18, 2026 |
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| Date | 07/18 | 07/19 | ||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 72 | 75 | 75 | 77 | 77 | 75 | 76 | 73 | 70 | 68 | 62 | 61 | 60 | 60 | 60 | 59 | 59 | 59 | 59 | 58 | 57 | 59 | 62 | 67 |
| Dewpoint (°F) | 61 | 62 | 60 | 61 | 60 | 59 | 60 | 59 | 57 | 58 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 55 | 56 | 58 |
| Heat Index (°F) | 75 | 75 | 77 | 77 | 75 | 76 | ||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 6 | 6 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 3 | 3 | 3 |
| Wind Dir | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 10 | 10 | 10 | 10 | 10 | 53 | 53 | 53 | 53 | 53 | 53 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 68 | 68 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 68 | 63 | 60 | 57 | 56 | 57 | 58 | 61 | 64 | 71 | 77 | 82 | 84 | 84 | 85 | 86 | 87 | 88 | 88 | 89 | 91 | 86 | 80 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/20 | |||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 71 | 74 | 75 | 76 | 76 | 76 | 77 | 73 | 71 | 68 | 62 | 61 | 60 | 60 | 60 | 60 | 58 | 58 | 58 | 57 | 57 | 59 | 62 | 67 |
| Dewpoint (°F) | 60 | 60 | 60 | 60 | 59 | 60 | 62 | 60 | 60 | 59 | 55 | 55 | 55 | 55 | 56 | 56 | 54 | 54 | 54 | 53 | 53 | 54 | 55 | 57 |
| Heat Index (°F) | 75 | 76 | 76 | 76 | 77 | |||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Wind Dir | WSW | WSW | WSW | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | NNW | NNW | NNW | WNW | WNW | WNW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 19 | 19 | 19 | 19 | 19 | 19 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 43 | 43 | 43 | 43 | 43 | 43 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 67 | 62 | 59 | 58 | 56 | 58 | 60 | 63 | 67 | 72 | 78 | 82 | 85 | 84 | 86 | 86 | 87 | 88 | 88 | 88 | 87 | 84 | 78 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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