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| Point Forecast: Washington DC, Reagan National Airport VA 38.84N 77.03W (Elev. 3 ft) |
Last Update: 10:32 am EDT Jun 13, 2021 |
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| Date | 06/13 | 06/14 | ||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 76 | 78 | 79 | 80 | 81 | 81 | 82 | 80 | 80 | 77 | 75 | 74 | 72 | 72 | 71 | 71 | 70 | 70 | 69 | 69 | 70 | 71 | 73 | 75 |
| Dewpoint (°F) | 63 | 64 | 64 | 65 | 65 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 64 | 65 | 64 | 64 | 65 | 64 | 66 | 66 | 67 |
| Heat Index (°F) | 76 | 78 | 79 | 82 | 83 | 83 | 84 | 82 | 82 | 77 | 75 | 75 | ||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | SE | S | S | S | S | S | S | S | S | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 63 | 68 | 57 | 47 | 45 | 43 | 49 | 57 | 66 | 74 | 70 | 67 | 72 | 66 | 65 | 72 | 68 | 65 | 64 | 62 | 59 | 61 | 62 | 60 |
| Precipitation Potential (%) | 0 | 0 | 0 | 9 | 9 | 9 | 41 | 41 | 41 | 50 | 50 | 50 | 45 | 45 | 45 | 42 | 42 | 42 | 27 | 27 | 27 | 31 | 31 | 31 |
| Relative Humidity (%) | 64 | 62 | 60 | 60 | 58 | 60 | 58 | 60 | 60 | 67 | 71 | 74 | 79 | 79 | 84 | 79 | 84 | 81 | 84 | 87 | 81 | 84 | 79 | 76 |
| 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 |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/15 | |||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 77 | 80 | 82 | 83 | 84 | 84 | 84 | 83 | 82 | 81 | 79 | 77 | 75 | 73 | 72 | 71 | 70 | 69 | 69 | 69 | 69 | 70 | 71 | 73 |
| Dewpoint (°F) | 67 | 67 | 66 | 66 | 66 | 65 | 64 | 64 | 64 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 65 | 64 | 63 | 63 | 63 | 63 | 63 | 62 |
| Heat Index (°F) | 77 | 82 | 84 | 85 | 86 | 86 | 85 | 84 | 83 | 83 | 79 | 77 | 75 | |||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 8 | 8 | 9 |
| Wind Dir | W | W | SW | S | S | S | S | S | SE | SE | S | SW | W | W | NW | N | N | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 59 | 54 | 54 | 50 | 50 | 50 | 47 | 47 | 48 | 55 | 55 | 55 | 57 | 57 | 57 | 56 | 55 | 55 | 55 | 55 | 55 | 39 | 36 | 33 |
| Precipitation Potential (%) | 30 | 30 | 30 | 20 | 20 | 20 | 16 | 16 | 16 | 58 | 58 | 58 | 70 | 70 | 70 | 56 | 56 | 56 | 36 | 36 | 36 | 12 | 12 | 12 |
| Relative Humidity (%) | 71 | 65 | 58 | 57 | 55 | 53 | 51 | 53 | 55 | 58 | 62 | 69 | 74 | 79 | 81 | 84 | 84 | 84 | 81 | 81 | 81 | 78 | 76 | 68 |
| Rain | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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