| Point Forecast: 2 Miles SE Hillsborough CA 37.53N 122.35W (Elev. 387 ft) |
Last Update: 8:36 am PDT May 9, 2026 |
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| Date | 05/09 | 05/10 | ||||||||||||||||||||||
| Hour (PDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 60 | 62 | 65 | 67 | 68 | 69 | 70 | 68 | 67 | 65 | 61 | 59 | 57 | 57 | 56 | 55 | 55 | 55 | 54 | 54 | 53 | 53 | 52 | 54 |
| Dewpoint (°F) | 53 | 54 | 55 | 57 | 57 | 56 | 58 | 56 | 55 | 55 | 53 | 52 | 52 | 53 | 52 | 52 | 52 | 52 | 51 | 51 | 51 | 50 | 50 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 6 | 8 | 9 | 11 | 11 | 13 | 14 | 14 | 14 | 13 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | W |
| Gust | 18 | 21 | 22 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 21 | 21 | 20 | 18 | 18 | 18 | |||||||
| Sky Cover (%) | 21 | 16 | 14 | 14 | 17 | 18 | 18 | 18 | 15 | 12 | 14 | 21 | 40 | 58 | 58 | 61 | 60 | 68 | 70 | 73 | 75 | 75 | 75 | 66 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 1 | 2 | 2 | 0 | 5 |
| Relative Humidity (%) | 78 | 74 | 71 | 70 | 68 | 65 | 66 | 65 | 67 | 69 | 74 | 78 | 84 | 87 | 89 | 90 | 89 | 89 | 90 | 90 | 92 | 90 | 90 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/11 | |||||||||||||||||||||||
| Hour (PDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 57 | 60 | 62 | 64 | 67 | 68 | 69 | 70 | 69 | 67 | 64 | 61 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 52 | 52 | 52 | 53 | 56 |
| Dewpoint (°F) | 52 | 54 | 55 | 56 | 56 | 56 | 56 | 56 | 55 | 54 | 53 | 51 | 51 | 51 | 51 | 51 | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 50 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 6 | 6 | 6 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 0 |
| Wind Dir | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 66 | 66 | 45 | 45 | 45 | 33 | 33 | 33 | 38 | 38 | 38 | 24 | 24 | 24 | 25 | 25 | 25 | 33 | 33 | 33 | 46 | 46 | 46 | 45 |
| Precipitation Potential (%) | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 83 | 80 | 76 | 73 | 69 | 65 | 64 | 61 | 61 | 62 | 66 | 71 | 76 | 81 | 84 | 86 | 86 | 86 | 88 | 90 | 90 | 90 | 87 | 83 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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