| Point Forecast: 4 Miles ENE Danville CA 37.85N 121.94W (Elev. 415 m) |
Last Update: 8:36 am PDT May 9, 2026 |
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| Date | 05/09 | 05/10 | ||||||||||||||||||||||
| Hour (PDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°C) | 19 | 22 | 24 | 25 | 26 | 27 | 26 | 24 | 23 | 21 | 17 | 16 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 16 |
| Dewpoint (°C) | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 12 | 11 | 10 | 10 | 10 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 11 |
| Heat Index (°C) | 24 | 25 | 26 | 27 | 26 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 5 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 11 | 10 |
| Wind Dir | SSW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 29 | |||||||||||||||||||||||
| Sky Cover (%) | 5 | 3 | 4 | 5 | 4 | 3 | 2 | 3 | 1 | 3 | 14 | 26 | 28 | 35 | 46 | 41 | 39 | 47 | 57 | 60 | 60 | 60 | 43 | 43 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
| Relative Humidity (%) | 59 | 54 | 51 | 48 | 45 | 45 | 45 | 47 | 51 | 57 | 65 | 71 | 77 | 80 | 83 | 87 | 90 | 92 | 92 | 92 | 91 | 89 | 89 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/11 | |||||||||||||||||||||||
| Hour (PDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°C) | 18 | 19 | 21 | 24 | 25 | 26 | 26 | 25 | 24 | 22 | 19 | 17 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 13 | 18 |
| Dewpoint (°C) | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 11 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 25 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 12 | 12 | 12 | 11 | 11 | 11 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 27 | 27 | 27 | 37 | 37 | 37 | 36 | 36 |
| 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 (%) | 66 | 59 | 54 | 47 | 43 | 42 | 42 | 42 | 45 | 51 | 58 | 64 | 70 | 74 | 78 | 81 | 82 | 84 | 84 | 83 | 82 | 79 | 73 | 63 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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