| Point Forecast: Greenbelt MD 38.99N 76.89W (Elev. 102 ft) |
Last Update: 7:29 am EDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 76 | 78 | 79 | 80 | 82 | 83 | 84 | 84 | 84 | 84 | 83 | 82 | 81 | 80 | 77 | 76 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 73 |
| Dewpoint (°F) | 74 | 74 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 74 | 74 | 73 | 74 | 74 | 73 | 73 | 73 | 73 |
| Heat Index (°F) | 76 | 78 | 79 | 85 | 89 | 90 | 93 | 93 | 93 | 93 | 91 | 89 | 87 | 86 | 77 | 76 | 76 | 75 | 75 | |||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | SE | S | S | S | S | S | SE | SE | E | SE | S | SE | S | SE | N | NE | SE | SW | SW | SW | NW | W | W | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 62 | 61 | 60 | 59 | 58 | 56 | 63 | 80 | 84 | 85 | 81 | 87 | 91 | 88 | 80 | 84 | 90 | 73 | 65 | 77 | 73 | 67 | 86 | 70 |
| Precipitation Potential (%) | 26 | 15 | 12 | 13 | 20 | 34 | 44 | 69 | 75 | 77 | 71 | 80 | 86 | 60 | 64 | 53 | 34 | 27 | 26 | 38 | 30 | 24 | 23 | 21 |
| Relative Humidity (%) | 94 | 88 | 88 | 85 | 79 | 77 | 77 | 77 | 77 | 77 | 80 | 82 | 85 | 88 | 94 | 94 | 94 | 94 | 97 | 100 | 97 | 100 | 100 | 100 |
| Rain | Chc | SChc | -- | -- | SChc | Chc | Chc | Lkly | Ocnl | Ocnl | Lkly | Ocnl | Ocnl | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Thunder | -- | SChc | -- | -- | SChc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 73 | 75 | 78 | 80 | 81 | 82 | 83 | 84 | 84 | 84 | 84 | 83 | 82 | 81 | 80 | 78 | 77 | 76 | 76 | 76 | 76 | 75 | 75 | 75 |
| Dewpoint (°F) | 73 | 74 | 74 | 75 | 75 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 |
| Heat Index (°F) | 75 | 78 | 85 | 87 | 88 | 90 | 92 | 92 | 92 | 92 | 90 | 89 | 87 | 85 | 78 | 77 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | |
| Surface Wind (mph) | 1 | 2 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | N | N | NE | E | SE | S | S | S | S | S | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 52 | 67 | 59 | 64 | 69 | 72 | 76 | 79 | 79 | 79 | 79 | 79 | 79 | 53 | 52 | 52 | 51 | 54 | 57 | 60 | 63 | 66 | 69 | 67 |
| Precipitation Potential (%) | 19 | 37 | 37 | 37 | 37 | 37 | 37 | 68 | 68 | 68 | 68 | 68 | 68 | 26 | 26 | 26 | 26 | 26 | 26 | 20 | 20 | 20 | 20 | 20 |
| Relative Humidity (%) | 100 | 97 | 88 | 85 | 82 | 77 | 74 | 74 | 74 | 74 | 74 | 77 | 79 | 82 | 85 | 91 | 94 | 97 | 97 | 97 | 94 | 97 | 97 | 97 |
| Rain | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc |
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