| Point Forecast: 2 Miles SW Pittsburg CA 37.99N 121.92W (Elev. 600 ft) |
Last Update: 1:26 am PDT May 16, 2026 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 56 | 55 | 56 | 58 | 62 | 66 | 70 | 73 | 74 | 77 | 76 | 76 | 76 | 74 | 71 | 66 | 63 | 61 | 60 | 58 | 57 | 56 | 54 | 54 |
| Dewpoint (°F) | 34 | 33 | 34 | 36 | 37 | 39 | 42 | 42 | 43 | 44 | 44 | 46 | 46 | 45 | 44 | 44 | 43 | 42 | 41 | 40 | 40 | 40 | 38 | 38 |
| Heat Index (°F) | 77 | 77 | 76 | 76 | ||||||||||||||||||||
| Surface Wind (mph) | 20 | 21 | 20 | 18 | 17 | 17 | 16 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 17 |
| Wind Dir | SW | SW | WSW | WSW | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | SW | SW | SW |
| Gust | 28 | 30 | 29 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 26 | 28 | 28 | 28 | 26 | 25 | 24 | 23 | 23 | 23 | 24 |
| Sky Cover (%) | 2 | 3 | 3 | 3 | 1 | 4 | 1 | 4 | 4 | 13 | 8 | 9 | 16 | 14 | 15 | 17 | 15 | 11 | 14 | 11 | 16 | 7 | 3 | 2 |
| 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 (%) | 43 | 44 | 44 | 43 | 40 | 37 | 35 | 33 | 33 | 32 | 31 | 33 | 34 | 35 | 38 | 44 | 48 | 49 | 50 | 52 | 53 | 54 | 55 | 55 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 53 | 52 | 54 | 56 | 60 | 65 | 68 | 70 | 73 | 75 | 76 | 78 | 78 | 78 | 76 | 74 | 72 | 70 | 69 | 67 | 65 | 64 | 63 | 62 |
| Dewpoint (°F) | 38 | 36 | 36 | 36 | 34 | 35 | 35 | 33 | 32 | 31 | 29 | 28 | 26 | 25 | 24 | 24 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 20 |
| Heat Index (°F) | 75 | 76 | 78 | 78 | 78 | 76 | ||||||||||||||||||
| Surface Wind (mph) | 16 | 16 | 16 | 16 | 18 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 26 | 26 | 26 |
| Wind Dir | SW | SW | WSW | W | WNW | NW | NNW | NNW | NNW | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | 20 | 24 | 24 | 24 | 28 | 30 | 33 | 33 | 33 | 34 | 34 | 34 | 36 | 36 | 36 | 36 | 36 | 36 | 38 | 38 | 38 | 41 | 41 | 41 |
| Sky Cover (%) | 5 | 10 | 28 | 32 | 23 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 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 (%) | 57 | 54 | 50 | 45 | 38 | 33 | 30 | 25 | 22 | 20 | 18 | 16 | 15 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 19 | 20 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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