| Point Forecast: 2 Miles SSW Portola CA 39.79N 120.49W (Elev. 1520 m) |
Last Update: 2:16 am PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 11 | 16 | 19 | 25 | 28 | 29 | 29 | 30 | 31 | 30 | 30 | 29 | 28 | 26 | 22 | 19 | 17 | 15 | 14 | 12 | 11 | 11 | 10 | 9 |
| Dewpoint (°C) | 1 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 3 | 3 | 4 | 4 | 6 | 4 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 1 | 1 | 1 |
| Heat Index (°C) | 25 | 27 | 27 | 28 | 28 | 29 | 28 | 28 | 28 | 27 | 26 | |||||||||||||
| Surface Wind (mph) | 2 | 6 | 6 | 6 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 7 | 7 | 7 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SE | W | W | W | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | S | S | S | E | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 3 | 3 | 2 | 2 | 2 | 4 | 4 | 4 | 1 | 1 | 1 | 4 | 4 | 4 | 5 | 5 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 50 | 40 | 30 | 23 | 18 | 17 | 16 | 17 | 17 | 18 | 20 | 20 | 24 | 26 | 32 | 37 | 42 | 46 | 48 | 52 | 53 | 53 | 53 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 11 | 15 | 19 | 24 | 27 | 29 | 31 | 31 | 31 | 31 | 30 | 28 | 27 | 24 | 22 | 19 | 17 | 14 | 13 | 12 | 11 | 10 | 10 | 11 |
| Dewpoint (°C) | 1 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
| Heat Index (°C) | 24 | 26 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 24 | |||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 8 | 8 | 8 | 10 | 10 | 10 | 8 | 8 | 8 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 |
| Wind Dir | E | SE | SE | SE | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 7 | 7 | 7 | 7 | 7 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 53 | 44 | 35 | 28 | 24 | 21 | 21 | 21 | 21 | 21 | 23 | 25 | 29 | 34 | 41 | 49 | 56 | 62 | 66 | 70 | 74 | 77 | 77 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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