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| Point Forecast: Arroyo Grande CA 35.12N 120.57W (Elev. 39 m) |
Last Update: 9:01 pm PDT Sep 18, 2021 |
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| Date | 09/18 | 09/19 | ||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°C) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 16 | 18 | 19 | 21 | 22 | 22 | 22 | 22 | 21 | 18 | 16 |
| Dewpoint (°C) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | 20 | 20 | 18 |
| Wind Dir | WNW | WNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | ||||||||||||||
| Sky Cover (%) | 13 | 13 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 96 | 81 | 70 | 68 | 63 | 61 | 61 | 59 | 61 | 66 | 78 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/20 | |||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°C) | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 16 | 18 | 21 | 22 | 22 | 24 | 24 | 24 | 23 | 22 | 18 | 16 |
| Dewpoint (°C) | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Heat Index (°C) | 24 | 24 | 24 | |||||||||||||||||||||
| Surface Wind (mph) | 18 | 18 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 6 | 6 | 6 | 13 | 13 | 13 | 11 | 11 | 11 | 1 |
| Wind Dir | NW | NW | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NE | NE | NE | N | N | N | WNW | WNW | WNW | WNW | WNW | WNW | N |
| Gust | 24 | 24 | ||||||||||||||||||||||
| Sky Cover (%) | 10 | 10 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 87 | 87 | 87 | 83 | 83 | 80 | 77 | 75 | 75 | 75 | 72 | 69 | 64 | 58 | 51 | 49 | 51 | 48 | 48 | 48 | 50 | 53 | 65 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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