| Point Forecast: 4 Miles NNW La Mesa CA 32.82N 117.06W (Elev. 58 m) |
Last Update: 1:01 am PDT Sep 4, 2026 |
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| Date | 09/04 | 09/05 | ||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 25 | 23 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 21 | 23 | 26 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 16 | 16 |
| Heat Index (°C) | 26 | 28 | 28 | 28 | 28 | 28 | 27 | 25 | 26 | |||||||||||||||
| Surface Wind (mph) | 5 | 7 | 8 | 9 | 9 | 9 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SW | SW | SW | W | W | W | W | W | W | W | NW | NW | NW | NW | N | N | N | N | N | N | N | N | NW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 0 | 0 | 0 | 4 | 4 | 4 | 7 | 7 | 7 | 8 | 8 | 8 | 24 | 24 | 24 | 25 | 25 | 25 | 27 | 27 | 27 | 41 | 41 | 41 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 59 | 55 | 53 | 53 | 54 | 55 | 57 | 64 | 72 | 82 | 86 | 87 | 88 | 89 | 87 | 87 | 84 | 82 | 79 | 77 | 76 | 72 | 63 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/06 | |||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 28 | 26 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 27 |
| Dewpoint (°C) | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 20 |
| Heat Index (°C) | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 26 | 24 | 24 | 28 | ||||||||||||
| Surface Wind (mph) | 3 | 5 | 6 | 7 | 7 | 7 | 6 | 6 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | SW | S | E | NE | NE | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 35 | 35 | 35 | 40 | 40 | 40 | 38 | 38 | 38 | 38 | 38 | 38 | 52 | 52 | 52 | 52 | 52 | 52 | 63 | 63 | 63 | 63 | 63 | 63 |
| Precipitation Potential (%) | 10 | 10 | 10 | 10 | 10 | 10 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 24 | 24 | 24 | 24 | 24 | 24 |
| Relative Humidity (%) | 49 | 47 | 46 | 46 | 47 | 48 | 49 | 52 | 60 | 68 | 73 | 74 | 74 | 75 | 76 | 76 | 77 | 78 | 78 | 80 | 82 | 81 | 75 | 68 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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