| Point Forecast: Cheverly MD 38.92N 76.9W (Elev. 49 ft) |
Last Update: 10:30 pm EDT May 16, 2025 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| 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 (°F) | 73 | 72 | 71 | 71 | 70 | 71 | 70 | 70 | 70 | 71 | 74 | 77 | 80 | 82 | 83 | 84 | 85 | 86 | 85 | 85 | 82 | 80 | 76 | 74 |
| Dewpoint (°F) | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 67 | 67 | 67 | 67 | 66 | 65 | 63 | 63 | 62 | 60 | 60 | 59 | 59 | 58 | 59 | 58 |
| Heat Index (°F) | 77 | 82 | 84 | 84 | 85 | 86 | 86 | 85 | 85 | 82 | 81 | 76 | ||||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 11 | 11 | 11 | 9 | 9 | 9 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 18 | 20 | 21 | 22 | 22 | 22 | 22 | 21 | 20 | |||||||||||||||
| Sky Cover (%) | 47 | 40 | 36 | 63 | 68 | 75 | 80 | 88 | 75 | 69 | 58 | 27 | 6 | 8 | 10 | 14 | 15 | 25 | 18 | 17 | 31 | 13 | 21 | 21 |
| Precipitation Potential (%) | 22 | 13 | 13 | 15 | 42 | 42 | 34 | 30 | 22 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 1 | 1 | 1 |
| Relative Humidity (%) | 81 | 84 | 87 | 87 | 90 | 87 | 90 | 87 | 90 | 87 | 79 | 71 | 62 | 56 | 51 | 49 | 46 | 42 | 43 | 41 | 46 | 47 | 56 | 57 |
| Rain | SChc | -- | -- | SChc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| 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 (°F) | 72 | 70 | 68 | 66 | 65 | 64 | 64 | 64 | 65 | 66 | 67 | 69 | 71 | 73 | 75 | 76 | 77 | 78 | 78 | 77 | 75 | 73 | 71 | 69 |
| Dewpoint (°F) | 56 | 55 | 55 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 54 |
| Heat Index (°F) | 75 | 76 | 77 | 78 | 78 | 77 | 75 | |||||||||||||||||
| Surface Wind (mph) | 8 | 7 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 10 | 9 | 9 |
| Wind Dir | NW | NW | NW | NW | NW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW |
| Gust | 18 | 21 | 22 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 21 | 18 | ||||||||||||
| Sky Cover (%) | 22 | 21 | 18 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 19 | 24 | 26 | 28 | 31 | 33 | 31 | 26 | 24 | 21 | 14 | 10 | 9 | 7 |
| Precipitation Potential (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 57 | 59 | 63 | 68 | 68 | 70 | 67 | 67 | 65 | 63 | 61 | 55 | 51 | 48 | 45 | 43 | 42 | 42 | 42 | 43 | 46 | 49 | 53 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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