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| Point Forecast: Petersburg MI 41.89N 83.71W (Elev. 205 m) |
Last Update: 10:14 pm EDT Jun 16, 2021 |
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| Date | 06/16 | 06/17 | ||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 15 | 18 | 21 | 23 | 24 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 26 | 24 | 22 |
| Dewpoint (°C) | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 11 | 12 |
| Heat Index (°C) | 24 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 24 | ||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 6 | 6 | 6 |
| Wind Dir | E | E | SE | SE | SSE | WSW | SW | WSW | W | WSW | WSW | SW | SW | WSW | WSW | SW | SW | SW | SSW | SW | SSW | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 16 | 15 | 17 | 8 | 6 | 3 | 7 | 16 | 27 | 23 | 19 | 11 | 10 | 5 | 4 | 3 | 12 | 14 | 11 | 7 | 8 | 11 | 16 | 25 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 |
| Relative Humidity (%) | 58 | 64 | 67 | 69 | 71 | 72 | 74 | 75 | 73 | 68 | 58 | 49 | 42 | 37 | 34 | 32 | 31 | 31 | 31 | 33 | 35 | 38 | 44 | 50 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/18 | |||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 22 | 23 | 24 | 26 | 27 | 28 | 29 | 29 | 29 | 28 | 27 | 26 | 24 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 19 | 19 | 19 |
| Heat Index (°C) | 25 | 27 | 28 | 29 | 30 | 30 | 30 | 29 | 28 | 26 | 24 | |||||||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 10 | 9 | 8 |
| Wind Dir | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SW | SSW | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 24 | 27 | 37 | 48 | 58 | 67 | 74 | 78 | 80 | 85 | 82 | 76 | 73 | 69 | 61 | 57 | 54 | 47 | 43 | 43 | 44 | 44 | 39 | 28 |
| Precipitation Potential (%) | 8 | 8 | 8 | 46 | 46 | 46 | 46 | 46 | 46 | 68 | 68 | 68 | 68 | 68 | 68 | 43 | 43 | 43 | 43 | 43 | 43 | 41 | 41 | 41 |
| Relative Humidity (%) | 56 | 59 | 61 | 62 | 64 | 66 | 68 | 68 | 72 | 80 | 79 | 76 | 73 | 69 | 63 | 60 | 58 | 57 | 57 | 58 | 59 | 61 | 65 | 70 |
| Rain | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
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