| Point Forecast: Langley Park MD 39N 76.98W (Elev. 125 ft) |
Last Update: 1:30 pm EDT Jun 26, 2024 |
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| Date | 06/26 | 06/27 | ||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 97 | 98 | 98 | 97 | 90 | 88 | 86 | 83 | 81 | 77 | 75 | 74 | 73 | 73 | 72 | 72 | 71 | 72 | 73 | 74 | 77 | 79 | 82 | 83 |
| Dewpoint (°F) | 67 | 67 | 66 | 67 | 68 | 68 | 69 | 69 | 69 | 70 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 71 | 70 | 70 | 69 | 68 | 68 | 66 |
| Heat Index (°F) | 101 | 103 | 102 | 101 | 94 | 92 | 90 | 87 | 84 | 77 | 75 | 77 | 79 | 85 | 85 | |||||||||
| Surface Wind (mph) | 6 | 7 | 7 | 8 | 8 | 6 | 6 | 5 | 6 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | W | W | W | SW | SW | SW | W | W | W | W | W | W | W | W | NW | NW | W | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 36 | 43 | 62 | 66 | 74 | 72 | 73 | 83 | 93 | 92 | 92 | 94 | 93 | 92 | 94 | 90 | 86 | 82 | 80 | 68 | 61 | 47 | 40 |
| Precipitation Potential (%) | 19 | 19 | 19 | 43 | 43 | 43 | 59 | 59 | 59 | 66 | 66 | 66 | 44 | 44 | 44 | 18 | 18 | 18 | 8 | 8 | 8 | 8 | 8 | 8 |
| Relative Humidity (%) | 38 | 37 | 35 | 38 | 49 | 52 | 57 | 63 | 67 | 79 | 87 | 90 | 93 | 93 | 97 | 93 | 97 | 97 | 90 | 87 | 76 | 69 | 63 | 57 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/28 | |||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 85 | 86 | 87 | 87 | 88 | 86 | 85 | 81 | 78 | 77 | 76 | 74 | 72 | 70 | 69 | 68 | 68 | 68 | 70 | 72 | 75 | 77 | 80 | 82 |
| Dewpoint (°F) | 66 | 65 | 64 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 62 | 61 | 60 | 58 | 57 | 57 | 57 | 55 | 55 | 56 | 58 | 59 | 59 |
| Heat Index (°F) | 87 | 88 | 88 | 88 | 89 | 87 | 86 | 82 | 78 | 77 | 76 | 75 | 77 | 81 | 82 | |||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 |
| Wind Dir | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | NE | NE | NE | NE | NE | NE | NE | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 30 | 21 | 16 | 14 | 11 | 12 | 13 | 13 | 14 | 16 | 18 | 21 | 24 | 26 | 27 | 26 | 25 | 23 | 22 | 21 | 18 | 21 | 24 | 28 |
| Precipitation Potential (%) | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 53 | 50 | 46 | 45 | 43 | 46 | 48 | 53 | 58 | 60 | 62 | 66 | 68 | 71 | 68 | 68 | 68 | 68 | 59 | 55 | 52 | 52 | 49 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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