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| Point Forecast: 2 Miles SSW Portola CA 39.79N 120.49W (Elev. 4987 ft) |
Last Update: 1:06 pm PDT May 15, 2022 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 48 | 47 | 45 | 43 | 44 | 46 | 51 | 57 | 61 | 65 | 67 | 68 | 69 | 69 | 69 | 68 | 65 | 62 | 59 | 55 | 51 | 48 | 46 | 45 |
| Dewpoint (°F) | 42 | 41 | 40 | 39 | 38 | 39 | 39 | 38 | 35 | 33 | 31 | 30 | 31 | 31 | 30 | 31 | 31 | 33 | 35 | 35 | 34 | 34 | 34 | 34 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 8 | 8 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 3 | 3 | 3 | 2 | 2 | 2 |
| Wind Dir | W | W | W | E | E | E | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 11 | 11 | 23 | 23 | 23 | 38 | 38 | 38 | 43 | 43 | 43 | 50 | 50 | 50 | 76 | 76 | 76 | 55 | 55 | 55 | 26 | 26 | 26 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 80 | 81 | 82 | 85 | 80 | 75 | 64 | 48 | 37 | 30 | 26 | 24 | 24 | 24 | 23 | 25 | 28 | 34 | 40 | 47 | 53 | 59 | 63 | 66 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 44 | 42 | 41 | 41 | 42 | 44 | 48 | 53 | 60 | 65 | 69 | 71 | 73 | 75 | 75 | 74 | 71 | 67 | 62 | 58 | 55 | 52 | 50 | 48 |
| Dewpoint (°F) | 34 | 33 | 32 | 31 | 31 | 32 | 33 | 33 | 32 | 30 | 29 | 28 | 28 | 29 | 30 | 32 | 33 | 35 | 35 | 35 | 34 | 34 | 34 | 33 |
| Heat Index (°F) | 75 | 75 | ||||||||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 8 | 8 | 8 | 5 | 5 | 5 | 2 | 2 | 2 |
| Wind Dir | N | N | N | NE | NE | NE | E | E | E | E | E | E | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 36 | 36 | 36 | 26 | 26 | 26 | 15 | 15 | 15 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 12 | 12 | 12 | 14 | 14 | 14 |
| 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 (%) | 68 | 69 | 70 | 68 | 66 | 61 | 55 | 46 | 36 | 27 | 22 | 20 | 19 | 18 | 19 | 21 | 25 | 30 | 36 | 41 | 46 | 50 | 53 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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