| Point Forecast: Grand Terrace CA 34.03N 117.3W (Elev. 1122 ft) |
Last Update: 9:07 pm PDT Jun 20, 2024 |
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| Date | 06/20 | 06/21 | ||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 70 | 68 | 67 | 65 | 64 | 64 | 62 | 62 | 62 | 65 | 67 | 72 | 76 | 80 | 85 | 89 | 92 | 94 | 93 | 93 | 90 | 86 | 82 | 78 |
| Dewpoint (°F) | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 53 | 52 | 52 | 53 | 54 | 54 | 54 | 55 | 55 |
| Heat Index (°F) | 76 | 80 | 83 | 86 | 89 | 91 | 91 | 91 | 88 | 84 | 81 | 79 | ||||||||||||
| Surface Wind (mph) | 7 | 5 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 10 | 9 | 8 | 7 |
| Wind Dir | W | SW | SW | SW | SW | SW | S | S | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 18 | 20 | 18 | |||||||||||||||||||||
| Sky Cover (%) | 6 | 6 | 7 | 11 | 16 | 19 | 22 | 21 | 20 | 20 | 32 | 32 | 32 | 7 | 7 | 7 | 4 | 4 | 4 | 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 (%) | 58 | 60 | 62 | 65 | 68 | 68 | 71 | 72 | 72 | 68 | 63 | 54 | 46 | 41 | 34 | 29 | 26 | 25 | 26 | 27 | 30 | 34 | 39 | 44 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/22 | |||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 76 | 73 | 71 | 70 | 69 | 68 | 67 | 68 | 70 | 72 | 74 | 78 | 82 | 86 | 90 | 93 | 95 | 97 | 97 | 95 | 92 | 88 | 84 | 81 |
| Dewpoint (°F) | 55 | 55 | 54 | 54 | 53 | 53 | 52 | 51 | 51 | 51 | 52 | 53 | 54 | 55 | 55 | 54 | 53 | 53 | 54 | 54 | 55 | 55 | 56 | 56 |
| Heat Index (°F) | 76 | 78 | 81 | 85 | 88 | 91 | 93 | 94 | 95 | 93 | 90 | 87 | 83 | 81 | ||||||||||
| Surface Wind (mph) | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 7 | 6 |
| Wind Dir | SW | SW | SW | SW | S | S | E | E | E | SE | SE | SE | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 18 | 20 | 18 | |||||||||||||||||||||
| Sky Cover (%) | 2 | 17 | 17 | 17 | 17 | 17 | 17 | 35 | 35 | 35 | 35 | 35 | 35 | 16 | 16 | 16 | 16 | 16 | 16 | 6 | 6 | 6 | 6 | 6 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 49 | 52 | 55 | 56 | 57 | 58 | 59 | 54 | 51 | 48 | 45 | 42 | 38 | 34 | 30 | 27 | 24 | 23 | 24 | 25 | 28 | 32 | 37 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
