| Point Forecast: 2 Miles SE Petaluma CA 38.22N 122.61W (Elev. 60 m) |
Last Update: 1:26 pm PDT May 11, 2026 |
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| Date | 05/11 | 05/12 | ||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°C) | 26 | 26 | 26 | 24 | 24 | 22 | 17 | 14 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 12 | 15 | 17 | 19 | 21 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 12 | 12 | 12 | 13 |
| Heat Index (°C) | 26 | 26 | 27 | 24 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 6 | 6 | 5 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 2 | 2 | 5 | 6 | 7 |
| Wind Dir | SE | WSW | W | WNW | W | W | WNW | WNW | W | W | W | W | WNW | WNW | WNW | WNW | N | N | WNW | WNW | W | W | W | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 24 | 29 | 34 | 27 | 24 | 33 | 49 | 32 | 33 | 44 | 52 | 67 | 69 | 70 | 75 | 72 | 76 | 78 | 70 | 62 | 45 | 26 | 17 | 38 |
| 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 (%) | 48 | 47 | 48 | 51 | 52 | 57 | 69 | 82 | 91 | 95 | 95 | 97 | 99 | 99 | 100 | 100 | 99 | 97 | 94 | 88 | 80 | 71 | 64 | 60 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/13 | |||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°C) | 21 | 21 | 22 | 20 | 19 | 19 | 16 | 14 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 16 | 18 | 19 | 21 |
| Dewpoint (°C) | 12 | 12 | 13 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 10 | 11 | 11 | 11 | 11 | 13 | 13 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 11 | 11 | 11 | 11 | 11 | 11 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 27 | 25 | 14 | 35 | 45 | 54 | 55 | 49 | 41 | 39 | 39 | 39 | 32 | 32 | 32 | 60 | 60 | 60 | 28 | 28 | 28 | 12 | 12 | 12 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Relative Humidity (%) | 58 | 57 | 57 | 57 | 57 | 57 | 62 | 66 | 71 | 75 | 79 | 83 | 87 | 89 | 92 | 93 | 91 | 88 | 84 | 76 | 67 | 59 | 54 | 51 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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