| Point Forecast: Colma CA 37.7N 122.45W (Elev. 659 ft) |
Last Update: 1:26 am PDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 54 | 53 | 53 | 53 | 54 | 55 | 58 | 60 | 61 | 62 | 64 | 63 | 62 | 62 | 59 | 57 | 56 | 56 | 55 | 55 | 54 | 55 | 55 | 54 |
| Dewpoint (°F) | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 55 | 55 | 56 | 56 | 55 | 56 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 52 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 8 | 9 | 10 | 11 | 11 | 13 | 13 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 88 | 84 | 80 | 82 | 73 | 60 | 54 | 44 | 35 | 31 | 27 | 37 | 48 | 55 | 52 | 74 | 78 | 85 | 80 | 81 | 82 | 86 | 86 |
| Precipitation Potential (%) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 15 | 15 |
| Relative Humidity (%) | 94 | 94 | 94 | 94 | 93 | 91 | 86 | 84 | 80 | 80 | 76 | 76 | 79 | 79 | 85 | 88 | 90 | 92 | 92 | 93 | 95 | 94 | 94 | 95 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 54 | 54 | 54 | 54 | 54 | 55 | 57 | 60 | 61 | 62 | 62 | 62 | 62 | 61 | 59 | 58 | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 55 |
| Dewpoint (°F) | 52 | 52 | 52 | 52 | 53 | 53 | 54 | 54 | 54 | 55 | 55 | 56 | 55 | 55 | 55 | 54 | 53 | 53 | 53 | 52 | 52 | 52 | 52 | 52 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 11 | 11 |
| Wind Dir | WSW | WSW | SW | SW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 21 | 21 | 21 | 22 | 22 | 22 | 18 | 18 | 18 | |||||||||||||||
| Sky Cover (%) | 89 | 87 | 81 | 77 | 76 | 73 | 64 | 55 | 55 | 55 | 48 | 48 | 48 | 59 | 59 | 59 | 84 | 84 | 84 | 91 | 91 | 91 | 95 | 95 |
| Precipitation Potential (%) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 9 | 9 | 9 | 9 | 9 | 15 | 15 | 15 | 15 | 15 |
| Relative Humidity (%) | 94 | 94 | 95 | 95 | 94 | 93 | 88 | 81 | 78 | 77 | 78 | 78 | 79 | 81 | 84 | 87 | 90 | 91 | 92 | 92 | 91 | 91 | 91 | 91 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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