| Point Forecast: Mercer Island WA 47.56N 122.18W (Elev. 207 ft) |
Last Update: 3:40 pm PDT Jun 16, 2024 |
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| Date | 06/16 | 06/17 | ||||||||||||||||||||||
| 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) | 61 | 60 | 60 | 59 | 56 | 55 | 53 | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 54 | 56 | 58 | 60 | 61 | 62 | 63 |
| Dewpoint (°F) | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 48 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 49 | 50 | 51 | 51 | 52 | 52 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | NNW | NNW | NNW | N | N | N | ESE | ESE | ESE | S | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 53 | 63 | 71 | 69 | 67 | 80 | 79 | 80 | 83 | 87 | 87 | 84 | 90 | 89 | 96 | 94 | 89 | 84 | 84 | 84 | 77 | 77 | 77 |
| Precipitation Potential (%) | 35 | 30 | 24 | 20 | 17 | 16 | 16 | 20 | 25 | 33 | 30 | 30 | 19 | 19 | 19 | 19 | 19 | 19 | 12 | 12 | 12 | 12 | 12 | 12 |
| Relative Humidity (%) | 61 | 61 | 62 | 64 | 69 | 72 | 77 | 78 | 81 | 85 | 85 | 86 | 87 | 88 | 89 | 87 | 87 | 84 | 80 | 77 | 74 | 71 | 68 | 66 |
| Rain | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/18 | |||||||||||||||||||||||
| 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) | 63 | 63 | 62 | 61 | 59 | 58 | 56 | 55 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 55 | 57 | 59 | 61 | 63 | 65 | 67 | 68 |
| Dewpoint (°F) | 51 | 51 | 51 | 51 | 50 | 49 | 48 | 48 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 50 | 50 | 51 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SW | SW | SW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 71 | 71 | 80 | 80 | 80 | 70 | 70 | 70 | 75 | 75 | 75 | 81 | 81 | 81 | 80 | 80 | 80 | 63 | 63 | 63 | 42 | 42 | 42 |
| Precipitation Potential (%) | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 65 | 65 | 67 | 69 | 71 | 73 | 75 | 77 | 79 | 81 | 82 | 83 | 83 | 82 | 81 | 79 | 76 | 73 | 69 | 65 | 62 | 59 | 56 | 54 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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