| Point Forecast: Grand Blanc MI 42.94N 83.62W (Elev. 837 ft) |
Last Update: 4:25 pm EDT Aug 9, 2026 |
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| Date | 08/09 | 08/10 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 81 | 80 | 78 | 74 | 72 | 70 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 66 | 68 | 70 | 73 | 74 | 76 | 78 | 80 | 81 | 82 | 82 |
| Dewpoint (°F) | 62 | 63 | 63 | 65 | 66 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 67 | 66 | 68 | 69 | 70 | 70 | 70 | 70 | 69 | 69 | 68 | 68 |
| Heat Index (°F) | 82 | 81 | 78 | 76 | 78 | 84 | 85 | 85 | 86 | |||||||||||||||
| Surface Wind (mph) | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 |
| Wind Dir | SW | SW | SW | SW | WSW | WSW | WSW | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W |
| Gust | 18 | 18 | 18 | |||||||||||||||||||||
| Sky Cover (%) | 98 | 100 | 100 | 100 | 96 | 96 | 80 | 94 | 94 | 86 | 85 | 92 | 99 | 96 | 91 | 91 | 82 | 72 | 54 | 34 | 20 | 20 | 18 | 27 |
| Precipitation Potential (%) | 65 | 86 | 86 | 77 | 53 | 45 | 41 | 36 | 45 | 44 | 32 | 10 | 6 | 6 | 6 | 8 | 9 | 10 | 5 | 6 | 5 | 7 | 7 | 6 |
| Relative Humidity (%) | 52 | 56 | 60 | 72 | 82 | 89 | 93 | 95 | 96 | 97 | 98 | 98 | 99 | 100 | 100 | 97 | 90 | 85 | 80 | 75 | 68 | 66 | 64 | 62 |
| Rain | Lkly | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/11 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 82 | 81 | 79 | 74 | 70 | 69 | 67 | 66 | 65 | 64 | 63 | 62 | 62 | 61 | 64 | 67 | 72 | 76 | 78 | 80 | 81 | 81 | 82 | 81 |
| Dewpoint (°F) | 68 | 68 | 67 | 67 | 66 | 65 | 64 | 63 | 63 | 62 | 62 | 61 | 61 | 61 | 62 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 65 |
| Heat Index (°F) | 85 | 84 | 79 | 76 | 78 | 82 | 82 | 83 | 83 | 83 | ||||||||||||||
| Surface Wind (mph) | 8 | 7 | 6 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 5 |
| Wind Dir | W | WNW | WNW | W | W | NNW | N | NNE | E | E | E | E | E | ESE | E | ESE | SE | SE | SSE | SSE | S | S | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 38 | 36 | 37 | 27 | 48 | 36 | 18 | 29 | 55 | 61 | 49 | 62 | 63 | 46 | 48 | 51 | 54 | 58 | 62 | 66 | 64 | 61 | 59 |
| Precipitation Potential (%) | 7 | 9 | 6 | 6 | 11 | 10 | 10 | 5 | 15 | 1 | 4 | 0 | 0 | 5 | 9 | 9 | 9 | 9 | 9 | 9 | 33 | 33 | 33 | 33 |
| Relative Humidity (%) | 63 | 65 | 69 | 79 | 85 | 88 | 90 | 91 | 93 | 94 | 96 | 97 | 97 | 100 | 96 | 88 | 77 | 67 | 62 | 58 | 57 | 56 | 56 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
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