| Point Forecast: Greenbelt MD 38.99N 76.89W (Elev. 31 m) |
Last Update: 11:19 am EDT May 5, 2024 |
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| Date | 05/05 | 05/06 | ||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°C) | 17 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 21 | 22 |
| Dewpoint (°C) | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 5 | 5 | 6 | 6 | 5 | 5 |
| Wind Dir | SE | S | S | S | S | S | S | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | SW | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 97 | 97 | 97 | 95 | 93 | 93 | 87 | 85 | 86 | 88 | 88 | 91 | 90 | 88 | 89 | 91 | 91 | 93 | 92 | 92 | 92 | 93 | 94 | 93 |
| Precipitation Potential (%) | 76 | 78 | 68 | 62 | 52 | 42 | 43 | 33 | 36 | 31 | 31 | 28 | 25 | 20 | 17 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 6 |
| Relative Humidity (%) | 93 | 93 | 93 | 93 | 93 | 90 | 90 | 93 | 93 | 93 | 93 | 97 | 97 | 97 | 97 | 97 | 97 | 100 | 100 | 100 | 100 | 97 | 93 | 84 |
| Rain | Ocnl | Ocnl | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/07 | |||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°C) | 23 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 23 | 22 | 22 | 21 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 21 | 22 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 26 | 25 | 24 | |||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | SW | SW | S | SE | SE | SE | SE | SE | E | E | NE | NE | NE | NE | NE | NE | NE | E | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 83 | 78 | 77 | 79 | 81 | 82 | 82 | 81 | 80 | 76 | 75 | 76 | 78 | 81 | 82 | 83 | 83 | 83 | 82 | 80 | 79 | 77 | 75 |
| Precipitation Potential (%) | 6 | 6 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 25 | 25 | 25 | 25 | 25 | 25 | 13 | 13 | 13 | 13 |
| Relative Humidity (%) | 76 | 71 | 67 | 64 | 62 | 62 | 64 | 66 | 71 | 76 | 79 | 84 | 90 | 90 | 93 | 97 | 97 | 97 | 97 | 93 | 90 | 84 | 78 | 73 |
| Rain | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- |
| Thunder | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
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