| Point Forecast: Chevy Chase MD 38.98N 77.09W (Elev. 105 m) |
Last Update: 1:31 am EDT May 8, 2024 |
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| Date | 05/08 | 05/09 | ||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 19 | 19 | 18 | 19 | 19 | 21 | 22 | 24 | 26 | 28 | 28 | 29 | 29 | 30 | 31 | 29 | 28 | 27 | 25 | 23 | 23 | 22 | 21 | 21 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 16 | 15 | 15 |
| Heat Index (°C) | 24 | 26 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 27 | 25 | ||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 3 | 5 | 6 | 6 | 7 | 9 | 10 | 11 | 11 | 13 | 13 | 11 | 10 | 8 | 6 | 6 | 5 | 6 | 5 | 5 | 5 |
| Wind Dir | S | S | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 73 | 84 | 88 | 90 | 89 | 88 | 71 | 50 | 38 | 39 | 27 | 39 | 36 | 33 | 41 | 33 | 31 | 30 | 35 | 34 | 41 | 50 | 53 | 42 |
| Precipitation Potential (%) | 13 | 18 | 37 | 41 | 30 | 18 | 15 | 13 | 10 | 10 | 7 | 16 | 16 | 16 | 9 | 9 | 9 | 10 | 10 | 10 | 23 | 23 | 23 | 35 |
| Relative Humidity (%) | 97 | 97 | 100 | 97 | 97 | 87 | 81 | 74 | 62 | 55 | 51 | 45 | 45 | 42 | 36 | 40 | 43 | 49 | 56 | 62 | 62 | 68 | 68 | 70 |
| Rain | -- | SChc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc |
| Thunder | -- | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/10 | |||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 20 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 19 | 19 | 18 | 17 | 17 | 16 | 16 |
| Dewpoint (°C) | 15 | 15 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 6 | 5 | 5 | 5 | 6 | 7 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | W | S | SE | S | S | S | S | S | S | S | S | S | SW | NW | NW | N | N | N | N | N | N | NW | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 49 | 53 | 54 | 68 | 80 | 89 | 95 | 94 | 92 | 91 | 89 | 88 | 83 | 74 | 69 | 65 | 61 | 57 | 59 | 63 | 64 | 65 | 66 | 66 |
| Precipitation Potential (%) | 35 | 35 | 46 | 46 | 46 | 69 | 69 | 69 | 69 | 69 | 69 | 87 | 87 | 87 | 87 | 87 | 87 | 42 | 42 | 42 | 42 | 42 | 42 | 14 |
| Relative Humidity (%) | 73 | 75 | 73 | 78 | 78 | 76 | 76 | 73 | 68 | 66 | 64 | 64 | 64 | 66 | 68 | 71 | 76 | 78 | 78 | 84 | 84 | 84 | 87 | 87 |
| Rain | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc | Chc | -- |
| Thunder | -- | -- | Chc | Chc | Chc | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- |
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