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| Point Forecast: San Dimas CA 34.11N 117.82W (Elev. 942 ft) |
Last Update: 9:03 pm PDT Sep 30, 2023 |
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| Date | 10/01 | 10/02 | ||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 60 | 60 | 59 | 59 | 58 | 57 | 57 | 58 | 59 | 60 | 61 | 63 | 64 | 64 | 65 | 65 | 65 | 64 | 62 | 59 | 57 | 56 | 56 | 55 |
| Dewpoint (°F) | 54 | 54 | 55 | 56 | 55 | 54 | 54 | 55 | 53 | 51 | 49 | 49 | 46 | 47 | 45 | 46 | 46 | 46 | 45 | 48 | 48 | 49 | 49 | 49 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 8 | 9 | 9 | 9 | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SSW | S | S | S | SE | SE | SE | S | S | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 70 | 70 | 70 | 70 | 70 | 70 | 45 | 45 | 45 | 45 | 45 | 45 | 10 | 10 |
| Precipitation Potential (%) | 45 | 45 | 45 | 45 | 35 | 35 | 35 | 35 | 35 | 35 | 24 | 24 | 24 | 24 | 24 | 24 | 6 | 6 | 6 | 6 | 6 | 6 | 0 | 0 |
| Relative Humidity (%) | 81 | 81 | 87 | 90 | 90 | 90 | 90 | 90 | 80 | 72 | 65 | 60 | 52 | 54 | 48 | 50 | 50 | 52 | 54 | 67 | 72 | 77 | 77 | 80 |
| Rain | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 10/03 | |||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 53 | 53 | 52 | 52 | 52 | 51 | 52 | 54 | 56 | 59 | 62 | 64 | 66 | 68 | 70 | 70 | 69 | 67 | 64 | 62 | 60 | 59 | 58 | 57 |
| Dewpoint (°F) | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 49 | 48 | 48 | 49 | 50 | 51 | 52 | 52 | 52 | 52 | 52 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 8 | 8 | 8 | 10 | 10 | 10 | 7 | 7 | 7 | 3 | 3 | 3 | 5 | 5 |
| Wind Dir | NW | NNE | NNE | NNE | N | N | N | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | N | N | N | NNE | NNE |
| Gust | 15 | 15 | 15 | |||||||||||||||||||||
| Sky Cover (%) | 10 | 10 | 10 | 10 | 14 | 14 | 14 | 14 | 14 | 14 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 |
| 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 (%) | 83 | 83 | 86 | 86 | 86 | 89 | 89 | 83 | 80 | 72 | 65 | 60 | 56 | 51 | 45 | 45 | 49 | 54 | 63 | 70 | 75 | 78 | 80 | 83 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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