| Point Forecast: Rialto CA 34.11N 117.37W (Elev. 1250 ft) |
Last Update: 2:43 pm PDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 93 | 91 | 88 | 83 | 79 | 76 | 74 | 71 | 69 | 67 | 66 | 64 | 63 | 63 | 65 | 68 | 72 | 77 | 82 | 87 | 91 | 94 | 94 | 95 |
| Dewpoint (°F) | 63 | 63 | 62 | 61 | 61 | 62 | 61 | 60 | 60 | 60 | 60 | 59 | 59 | 60 | 61 | 62 | 63 | 62 | 63 | 63 | 62 | 63 | 63 | 64 |
| Heat Index (°F) | 94 | 92 | 88 | 84 | 79 | 76 | 77 | 83 | 88 | 92 | 95 | 95 | 97 | |||||||||||
| Surface Wind (mph) | 10 | 9 | 9 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 9 | 11 |
| Wind Dir | SW | SW | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 18 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 13 | 13 | 13 | 13 | 13 | 13 | 17 | 17 | 17 | 17 | 17 | 17 | 19 | 19 | 19 | 19 | 19 | 19 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 (%) | 36 | 40 | 42 | 48 | 55 | 61 | 64 | 70 | 74 | 77 | 82 | 83 | 87 | 89 | 87 | 81 | 74 | 61 | 53 | 45 | 39 | 36 | 36 | 36 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 93 | 90 | 86 | 81 | 78 | 74 | 72 | 70 | 69 | 66 | 66 | 65 | 63 | 69 | 69 | 66 | 74 | 78 | 78 | 86 | 89 | 86 | 89 | 89 |
| Dewpoint (°F) | 63 | 63 | 62 | 62 | 62 | 61 | 61 | 62 | 62 | 61 | 62 | 62 | 60 | 67 | 67 | 62 | 66 | 66 | 62 | 64 | 64 | 59 | 61 | 60 |
| Heat Index (°F) | 94 | 92 | 87 | 82 | 78 | 78 | 78 | 87 | 90 | 86 | 89 | 88 | ||||||||||||
| Surface Wind (mph) | 11 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 7 | 8 | 10 | 11 |
| Wind Dir | SW | SW | SW | SW | SW | W | W | SW | SW | SW | SW | SW | SW | SW | SW | S | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 20 | 18 | 20 | |||||||||||||||||||||
| Sky Cover (%) | 13 | 13 | 13 | 13 | 13 | 13 | 19 | 19 | 19 | 19 | 19 | 19 | 29 | 29 | 29 | 29 | 29 | 29 | 14 | 14 | 14 | 14 | 14 | 14 |
| 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 (%) | 37 | 40 | 45 | 51 | 59 | 64 | 69 | 74 | 79 | 83 | 87 | 90 | 91 | 92 | 91 | 86 | 78 | 67 | 57 | 49 | 43 | 40 | 39 | 38 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
