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| Point Forecast: Spokane International Airport WA 47.61N 117.55W (Elev. 2398 ft) |
Last Update: 2:51 am PDT May 17, 2021 |
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| Date | 05/17 | 05/18 | ||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 51 | 54 | 60 | 65 | 70 | 73 | 76 | 77 | 78 | 78 | 78 | 78 | 76 | 74 | 69 | 63 | 59 | 58 | 55 | 54 | 53 | 52 | 50 | 49 |
| Dewpoint (°F) | 40 | 43 | 46 | 47 | 48 | 45 | 45 | 42 | 41 | 40 | 37 | 37 | 36 | 35 | 36 | 36 | 35 | 35 | 36 | 36 | 38 | 39 | 39 | 39 |
| Heat Index (°F) | 76 | 77 | 78 | 78 | 78 | 78 | 76 | |||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 14 | 14 | 14 | 17 | 17 | 17 | 18 | 18 | 18 | 16 | 16 | 16 | 11 | 11 | 11 | 11 | 11 | 11 | 17 | 17 | 17 | 20 |
| Wind Dir | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 25 | 25 | 25 | 29 | 29 | 29 | 25 | 25 | 25 | 25 | 25 | 25 | 30 | |||||||||||
| Sky Cover (%) | 16 | 16 | 15 | 15 | 15 | 5 | 5 | 5 | 23 | 23 | 23 | 38 | 38 | 38 | 45 | 45 | 45 | 49 | 49 | 49 | 46 | 46 | 46 | 64 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 66 | 67 | 59 | 53 | 46 | 37 | 33 | 29 | 27 | 26 | 23 | 23 | 23 | 24 | 30 | 36 | 40 | 42 | 48 | 51 | 56 | 62 | 67 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/19 | |||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 47 | 48 | 50 | 52 | 54 | 55 | 57 | 59 | 60 | 60 | 60 | 60 | 59 | 57 | 54 | 51 | 48 | 45 | 42 | 41 | 39 | 37 | 36 | 36 |
| Dewpoint (°F) | 37 | 36 | 34 | 32 | 29 | 26 | 23 | 22 | 22 | 21 | 20 | 19 | 18 | 19 | 18 | 19 | 20 | 20 | 20 | 22 | 22 | 22 | 23 | 23 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 20 | 20 | 22 | 22 | 22 | 20 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 10 | 10 | 10 | 7 | 7 | 7 | 6 | 6 | 6 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | SW | SW | SW | SW |
| Gust | 30 | 30 | 33 | 33 | 33 | 30 | 30 | 30 | 30 | 30 | 30 | 28 | 28 | 28 | ||||||||||
| Sky Cover (%) | 64 | 64 | 32 | 32 | 32 | 25 | 25 | 25 | 34 | 34 | 34 | 34 | 34 | 34 | 30 | 30 | 30 | 28 | 28 | 28 | 38 | 38 | 38 | 53 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 5 |
| Relative Humidity (%) | 68 | 62 | 53 | 46 | 38 | 33 | 27 | 24 | 23 | 22 | 21 | 20 | 20 | 22 | 24 | 28 | 32 | 36 | 41 | 46 | 51 | 55 | 59 | 60 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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