| Point Forecast: Hilo International Airport HI 19.72N 155.09W (Elev. 95 ft) |
Last Update: 8:17 am HST Aug 16, 2026 |
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| Date | 08/16 | 08/17 | ||||||||||||||||||||||
| Hour (HST) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 83 | 82 | 80 | 78 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 77 | 78 | 79 | 80 | 80 | 80 |
| Dewpoint (°F) | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 69 |
| Heat Index (°F) | 88 | 87 | 84 | 78 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 77 | 78 | 82 | 83 | 83 | 83 |
| Surface Wind (mph) | 9 | 9 | 8 | 8 | 8 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 7 | 7 | 7 | 8 |
| Wind Dir | ESE | ESE | ESE | ESE | ESE | S | S | S | SSW | SSW | SSW | NW | NW | NW | ENE | ENE | ENE | NNE | NNE | NNE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 89 | 89 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 |
| Precipitation Potential (%) | 55 | 55 | 55 | 51 | 51 | 51 | 51 | 51 | 51 | 82 | 82 | 82 | 82 | 82 | 82 | 77 | 77 | 77 | 77 | 77 | 77 | 36 | 36 | 36 |
| Relative Humidity (%) | 70 | 72 | 76 | 81 | 86 | 89 | 88 | 87 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 86 | 83 | 79 | 76 | 73 | 71 | 69 |
| Rain | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/18 | |||||||||||||||||||||||
| Hour (HST) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 80 | 79 | 78 | 77 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 75 | 77 | 78 | 80 | 81 | 81 | 81 |
| Dewpoint (°F) | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 |
| Heat Index (°F) | 83 | 82 | 78 | 77 | 75 | 75 | 75 | 75 | 75 | 75 | 77 | 78 | 82 | 83 | 83 | 83 | ||||||||
| Surface Wind (mph) | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 6 |
| Wind Dir | NE | NE | NE | NE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 85 | 85 | 85 | 86 | 86 | 86 |
| Precipitation Potential (%) | 36 | 36 | 36 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 36 | 36 | 36 | 36 | 36 | 36 | 16 | 16 | 16 |
| Relative Humidity (%) | 68 | 69 | 71 | 75 | 78 | 80 | 79 | 78 | 77 | 78 | 78 | 78 | 78 | 77 | 76 | 76 | 76 | 74 | 71 | 67 | 64 | 63 | 63 | 63 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
