| Point Forecast: Glyndon MD 39.47N 76.84W (Elev. 686 ft) |
Last Update: 4:29 pm EDT Jun 30, 2024 |
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| Date | 06/30 | 07/01 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 86 | 85 | 86 | 84 | 81 | 78 | 75 | 71 | 68 | 66 | 63 | 62 | 61 | 60 | 59 | 60 | 61 | 64 | 66 | 69 | 71 | 72 | 74 | 75 |
| Dewpoint (°F) | 74 | 74 | 73 | 72 | 72 | 69 | 64 | 60 | 57 | 55 | 53 | 53 | 53 | 52 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 53 | 54 | 54 |
| Heat Index (°F) | 94 | 93 | 93 | 90 | 85 | 78 | 75 | 75 | ||||||||||||||||
| Surface Wind (mph) | 9 | 8 | 8 | 8 | 8 | 9 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Wind Dir | W | W | W | NW | NW | N | N | N | N | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | N |
| Gust | 20 | 21 | 21 | 21 | 22 | 21 | 21 | 20 | 21 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | ||||||
| Sky Cover (%) | 70 | 59 | 67 | 66 | 81 | 74 | 67 | 50 | 42 | 38 | 24 | 14 | 4 | 3 | 3 | 8 | 10 | 7 | 12 | 15 | 15 | 16 | 17 | 20 |
| Precipitation Potential (%) | 66 | 65 | 65 | 65 | 39 | 31 | 23 | 15 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 68 | 70 | 65 | 67 | 74 | 74 | 69 | 68 | 68 | 68 | 70 | 72 | 75 | 75 | 75 | 72 | 72 | 65 | 61 | 57 | 53 | 51 | 50 | 48 |
| Rain | Lkly | Lkly | Lkly | Lkly | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Lkly | Lkly | Lkly | Lkly | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/02 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 76 | 76 | 77 | 75 | 73 | 70 | 68 | 66 | 64 | 63 | 61 | 60 | 59 | 59 | 60 | 62 | 65 | 68 | 72 | 76 | 78 | 80 | 81 | 82 |
| Dewpoint (°F) | 54 | 54 | 53 | 54 | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 52 | 53 | 53 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 54 |
| Heat Index (°F) | 76 | 76 | 77 | 75 | 76 | 78 | 80 | 81 | 81 | |||||||||||||||
| Surface Wind (mph) | 13 | 11 | 10 | 9 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Wind Dir | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | E | E | E | E | E | SE |
| Gust | 20 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 23 | 33 | 23 | 18 | 12 | 9 | 10 | 12 | 10 | 7 | 5 | 6 | 6 | 7 | 6 | 6 | 5 | 5 | 6 | 6 | 11 | 16 | 21 | 21 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 46 | 46 | 43 | 48 | 53 | 59 | 61 | 65 | 70 | 70 | 75 | 75 | 80 | 80 | 81 | 75 | 70 | 63 | 55 | 48 | 45 | 42 | 41 | 38 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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