| Point Forecast: Rockville MD 39.08N 77.16W (Elev. 131 m) |
Last Update: 1:30 pm EDT May 10, 2024 |
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| Date | 05/10 | 05/11 | ||||||||||||||||||||||
| Hour (EDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 11 | 13 | 14 | 16 |
| Dewpoint (°C) | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 2 | 2 | 2 |
| Wind Dir | E | E | E | NE | NE | NE | NE | NE | NE | NE | NE | NE | N | N | N | N | N | N | N | NW | NW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 96 | 97 | 96 | 95 | 97 | 95 | 92 | 90 | 89 | 88 | 88 | 86 | 84 | 81 | 76 | 71 | 66 | 64 | 61 | 58 | 59 | 59 | 59 | 57 |
| Precipitation Potential (%) | 68 | 98 | 85 | 73 | 60 | 51 | 42 | 33 | 29 | 24 | 20 | 15 | 10 | 5 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Relative Humidity (%) | 83 | 83 | 83 | 80 | 86 | 83 | 83 | 86 | 89 | 83 | 86 | 89 | 86 | 89 | 86 | 93 | 89 | 89 | 93 | 89 | 83 | 69 | 62 | 55 |
| Rain | Lkly | Ocnl | Ocnl | Lkly | Lkly | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/12 | |||||||||||||||||||||||
| Hour (EDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 15 | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 14 | 15 | 16 |
| Dewpoint (°C) | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 11 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | SE | S | S | S | S | SW | SW | SW | W | W | W | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 54 | 51 | 56 | 61 | 66 | 73 | 79 | 85 | 81 | 76 | 72 | 71 | 71 | 70 | 67 | 63 | 60 | 61 | 61 | 61 | 61 | 60 | 59 | 59 |
| Precipitation Potential (%) | 2 | 3 | 10 | 16 | 23 | 34 | 57 | 68 | 68 | 68 | 68 | 68 | 68 | 51 | 51 | 51 | 51 | 51 | 51 | 44 | 44 | 44 | 44 | 44 |
| Relative Humidity (%) | 52 | 50 | 48 | 45 | 48 | 52 | 54 | 67 | 75 | 77 | 80 | 86 | 93 | 93 | 96 | 93 | 93 | 93 | 89 | 86 | 80 | 75 | 69 | 64 |
| Rain | -- | -- | -- | SChc | SChc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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