| Point Forecast: San Mateo CA 37.56N 122.33W (Elev. 108 ft) |
Last Update: 1:26 pm PDT May 25, 2024 |
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| Date | 05/25 | 05/26 | ||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 51 | 50 | 49 | 49 | 49 | 49 | 48 | 49 | 49 | 52 | 56 | 58 | 60 | 63 | 65 | 66 | 66 | 66 | 65 | 62 | 60 | 56 | 53 | 52 |
| Dewpoint (°F) | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 46 | 46 | 47 | 48 | 49 | 50 | 50 | 51 | 51 | 50 | 51 | 50 | 50 | 50 | 48 | 48 | 48 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 6 | 5 |
| Wind Dir | W | WSW | WSW | WSW | WSW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 9 | 9 | 12 | 23 | 28 | 29 | 44 | 42 | 43 | 52 | 31 | 24 | 15 | 12 | 11 | 10 | 9 | 8 | 10 | 5 | 4 | 8 | 5 | 9 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 82 | 85 | 88 | 87 | 86 | 89 | 88 | 89 | 88 | 84 | 75 | 71 | 68 | 63 | 60 | 58 | 57 | 57 | 59 | 65 | 68 | 75 | 81 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/27 | |||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 52 | 51 | 50 | 50 | 50 | 49 | 49 | 50 | 51 | 53 | 55 | 58 | 61 | 63 | 65 | 66 | 66 | 66 | 64 | 62 | 59 | 56 | 55 | 54 |
| Dewpoint (°F) | 47 | 47 | 46 | 46 | 47 | 47 | 47 | 47 | 48 | 48 | 49 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 51 | 50 | 49 | 48 | 48 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 7 | 6 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | W | W | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 22 | 25 | 29 | 35 | 40 | 46 | 47 | 47 | 48 | 39 | 30 | 21 | 19 | 16 | 14 | 14 | 15 | 15 | 17 | 19 | 21 | 24 | 28 |
| 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 (%) | 86 | 86 | 87 | 87 | 89 | 91 | 92 | 91 | 89 | 85 | 80 | 74 | 69 | 65 | 62 | 60 | 60 | 62 | 65 | 68 | 72 | 76 | 78 | 81 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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