| ****** Experimental ****** | |
| Point Forecast: Port Heiden AK 56.94N 158.64W (Elev. 49 ft) |
Last Update: 4:05 pm AKDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (AKDT) | 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) | 60 | 59 | 58 | 57 | 56 | 54 | 53 | 52 | 52 | 51 | 51 | 51 | 50 | 50 | 50 | 49 | 52 | 51 | 53 | 53 | 54 | 54 | 55 | 56 |
| Dewpoint (°F) | 48 | 48 | 49 | 49 | 50 | 50 | 51 | 50 | 49 | 50 | 50 | 48 | 50 | 50 | 47 | 49 | 51 | 49 | 52 | 51 | 51 | 51 | 51 | 52 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 7 | 7 | 7 | 8 | 8 | 8 | 1 | 1 | 1 | 2 | 2 | 2 | 10 | 10 | 10 | 18 | 18 | 18 | 18 | 18 | 18 | 14 |
| Wind Dir | SE | SE | E | E | E | NE | NE | NE | N | N | N | W | W | W | SW | SW | SW | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 71 | 90 | 90 | 90 | 97 | 97 | 97 | 100 | 100 | 100 | 98 | 98 | 98 | 95 | 95 | 95 | 94 | 94 | 94 | 95 | 95 | 95 | 83 |
| Precipitation Potential (%) | 34 | 34 | 50 | 50 | 50 | 65 | 65 | 65 | 76 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 74 | 55 | 55 | 55 | 40 | 40 | 40 | 28 |
| Relative Humidity (%) | 66 | 69 | 71 | 75 | 80 | 88 | 93 | 95 | 90 | 96 | 96 | 88 | 100 | 100 | 90 | 100 | 96 | 92 | 95 | 93 | 90 | 90 | 89 | 87 |
| Rain | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (AKDT) | 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) | 57 | 57 | 57 | 57 | 56 | 54 | 52 | 50 | 49 | 48 | 48 | 49 | 48 | 48 | 49 | 50 | 51 | 53 | 54 | 56 | 57 | 58 | 59 | 59 |
| Dewpoint (°F) | 53 | 53 | 51 | 51 | 51 | 50 | 50 | 49 | 48 | 47 | 46 | 45 | 45 | 45 | 46 | 46 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 50 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 14 | 6 | 6 | 6 | 5 | 5 | 5 | 8 | 8 | 8 | 11 | 11 | 11 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 15 | 17 |
| Wind Dir | W | W | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | SE | SE | SE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 83 | 83 | 70 | 70 | 70 | 81 | 81 | 81 | 83 | 83 | 83 | 84 | 84 | 84 | 83 | 83 | 83 | 89 | 89 | 89 | 94 | 94 | 94 | 94 |
| Precipitation Potential (%) | 28 | 28 | 23 | 23 | 23 | 20 | 20 | 20 | 19 | 19 | 19 | 22 | 22 | 22 | 28 | 28 | 28 | 20 | 20 | 20 | 22 | 22 | 22 | 32 |
| Relative Humidity (%) | 89 | 87 | 81 | 80 | 83 | 87 | 92 | 96 | 97 | 95 | 91 | 88 | 88 | 89 | 90 | 89 | 88 | 85 | 82 | 79 | 76 | 75 | 74 | 73 |
| Rain | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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