| Point Forecast: Grand Blanc MI 42.91N 83.62W (Elev. 846 ft) |
Last Update: 10:14 pm EDT Jul 13, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 67 | 66 | 65 | 63 | 61 | 62 | 62 | 65 | 70 | 74 | 77 | 79 | 80 | 81 | 82 | 83 | 84 | 83 | 82 | 82 | 78 | 74 | 72 | 70 |
| Dewpoint (°F) | 61 | 60 | 59 | 59 | 58 | 58 | 59 | 60 | 61 | 62 | 62 | 62 | 61 | 62 | 61 | 61 | 61 | 62 | 63 | 63 | 62 | 62 | 62 | 62 |
| Heat Index (°F) | 77 | 79 | 81 | 82 | 83 | 84 | 84 | 84 | 83 | 83 | 78 | |||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | SW | SSW | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 62 | 60 | 44 | 34 | 17 | 12 | 7 | 5 | 2 | 2 | 4 | 5 | 5 | 6 | 4 | 4 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 2 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 80 | 82 | 82 | 87 | 88 | 85 | 90 | 85 | 75 | 67 | 59 | 56 | 53 | 51 | 49 | 48 | 46 | 49 | 51 | 53 | 58 | 65 | 72 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 69 | 68 | 66 | 66 | 66 | 66 | 68 | 70 | 74 | 78 | 82 | 84 | 85 | 86 | 87 | 88 | 88 | 87 | 86 | 84 | 81 | 78 | 75 | 74 |
| Dewpoint (°F) | 61 | 61 | 61 | 61 | 61 | 62 | 63 | 64 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 65 | 66 | 66 | 67 | 68 | 68 | 67 | 66 | 66 |
| Heat Index (°F) | 78 | 84 | 86 | 87 | 88 | 89 | 90 | 90 | 90 | 89 | 87 | 83 | 78 | 75 | ||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | SSW | SSW | SSW | SSW | SSW | SSW | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 9 | 10 | 12 | 15 | 17 | 25 | 24 | 24 | 23 | 25 | 27 | 24 | 26 | 28 | 30 | 30 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 78 | 80 | 82 | 84 | 85 | 86 | 85 | 81 | 73 | 65 | 59 | 55 | 53 | 51 | 49 | 48 | 48 | 51 | 55 | 60 | 65 | 70 | 75 | 78 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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