| Point Forecast: Cheverly MD 38.92N 76.9W (Elev. 49 ft) |
Last Update: 10:31 pm EDT Jul 16, 2025 |
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| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 78 | 78 | 78 | 78 | 77 | 77 | 76 | 77 | 79 | 83 | 86 | 88 | 91 | 93 | 93 | 94 | 95 | 94 | 92 | 91 | 87 | 85 | 84 | 83 |
| Dewpoint (°F) | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 75 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 74 | 75 | 76 | 76 | 75 |
| Heat Index (°F) | 78 | 78 | 78 | 78 | 77 | 77 | 76 | 77 | 79 | 91 | 96 | 98 | 101 | 103 | 102 | 103 | 105 | 103 | 101 | 101 | 96 | 94 | 93 | 90 |
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 7 | 6 | 6 | 6 |
| Wind Dir | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | SW | SW | W | SW | SW | SW | SW | SW | W | W |
| Gust | 18 | 20 | 20 | 20 | 18 | |||||||||||||||||||
| Sky Cover (%) | 78 | 72 | 77 | 78 | 73 | 67 | 50 | 34 | 15 | 22 | 10 | 10 | 14 | 25 | 40 | 45 | 50 | 55 | 60 | 48 | 38 | 29 | 39 | 49 |
| Precipitation Potential (%) | 29 | 26 | 13 | 13 | 11 | 5 | 4 | 3 | 2 | 2 | 1 | 0 | 1 | 7 | 11 | 15 | 20 | 26 | 21 | 13 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 94 | 94 | 94 | 94 | 94 | 94 | 97 | 94 | 91 | 80 | 72 | 66 | 58 | 54 | 52 | 51 | 49 | 51 | 54 | 58 | 68 | 75 | 77 | 77 |
| Rain | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | SChc | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | SChc | -- | -- | -- | -- | -- |
| Date | 07/18 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 80 | 80 | 79 | 78 | 77 | 77 | 78 | 79 | 80 | 82 | 83 | 85 | 86 | 87 | 88 | 88 | 88 | 87 | 86 | 84 | 82 | 80 | 79 | 78 |
| Dewpoint (°F) | 75 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 72 | 72 | 72 | 73 | 73 |
| Heat Index (°F) | 85 | 84 | 79 | 78 | 77 | 77 | 78 | 79 | 84 | 87 | 88 | 91 | 92 | 94 | 95 | 95 | 96 | 94 | 93 | 90 | 87 | 84 | 79 | 78 |
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 3 | 3 | 2 | 2 |
| Wind Dir | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | NE | NE | E | E | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 44 | 41 | 41 | 42 | 42 | 41 | 41 | 40 | 40 | 40 | 40 | 47 | 54 | 61 | 65 | 68 | 72 | 69 | 65 | 62 | 65 | 69 | 72 |
| Precipitation Potential (%) | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 35 | 35 | 35 | 35 | 35 | 35 | 21 | 21 | 21 | 21 |
| Relative Humidity (%) | 85 | 82 | 85 | 88 | 87 | 87 | 85 | 82 | 79 | 74 | 70 | 65 | 63 | 61 | 59 | 59 | 61 | 63 | 65 | 67 | 72 | 77 | 82 | 85 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- |
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