| Point Forecast: Harsens Island MI 42.58N 82.57W (Elev. 577 ft) |
Last Update: 5:13 pm EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 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) | 84 | 82 | 81 | 79 | 77 | 76 | 75 | 74 | 74 | 73 | 72 | 71 | 69 | 70 | 69 | 70 | 73 | 76 | 78 | 80 | 81 | 82 | 82 | 83 |
| Dewpoint (°F) | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 68 | 67 | 65 | 64 | 63 | 63 | 64 | 64 | 63 | 63 | 62 | 61 | 62 | 61 | 61 | 61 |
| Heat Index (°F) | 88 | 85 | 84 | 82 | 77 | 76 | 75 | 76 | 78 | 81 | 82 | 82 | 83 | 83 | ||||||||||
| Surface Wind (mph) | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | SW | SW | WSW | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 41 | 52 | 57 | 60 | 42 | 51 | 56 | 62 | 66 | 70 | 72 | 72 | 68 | 58 | 46 | 24 | 9 | 7 | 4 | 4 | 5 | 5 | 4 | 2 |
| Precipitation Potential (%) | 23 | 23 | 23 | 19 | 13 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 |
| Relative Humidity (%) | 62 | 66 | 69 | 73 | 77 | 80 | 84 | 84 | 84 | 82 | 79 | 80 | 82 | 79 | 84 | 80 | 71 | 65 | 59 | 54 | 52 | 49 | 48 | 47 |
| Rain | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 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) | 83 | 83 | 82 | 82 | 79 | 76 | 74 | 73 | 72 | 70 | 70 | 69 | 69 | 70 | 71 | 73 | 75 | 78 | 81 | 83 | 84 | 85 | 86 | 86 |
| Dewpoint (°F) | 60 | 61 | 62 | 64 | 64 | 64 | 65 | 65 | 65 | 66 | 65 | 65 | 65 | 66 | 67 | 68 | 68 | 69 | 69 | 68 | 68 | 67 | 67 | 67 |
| Heat Index (°F) | 84 | 83 | 83 | 83 | 79 | 76 | 75 | 78 | 84 | 86 | 87 | 88 | 89 | 90 | ||||||||||
| Surface Wind (mph) | 5 | 2 | 1 | 2 | 2 | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 3 | 5 | 5 | 6 | 6 | 6 |
| Wind Dir | W | WNW | N | S | SE | SE | SE | SSE | S | S | S | S | S | SSE | SE | SE | SE | SSE | S | S | SSE | SSE | SSE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 3 | 4 | 5 | 7 | 4 | 3 | 4 | 4 | 5 | 6 | 7 | 9 | 11 | 13 | 11 | 8 | 6 | 8 | 11 | 18 | 18 | 18 |
| Precipitation Potential (%) | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 |
| Relative Humidity (%) | 46 | 48 | 51 | 56 | 61 | 68 | 74 | 77 | 81 | 84 | 87 | 88 | 88 | 88 | 88 | 85 | 80 | 73 | 67 | 62 | 58 | 55 | 54 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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