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Point Forecast: 2 Miles S Washington-Dulles International Airport VA 38.93N 77.45W (Elev. 299 ft) |
Last Update: 10:29 pm EDT Sep 29, 2023 |
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Date | 09/29 | 09/30 | ||||||||||||||||||||||
Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
Temperature (°F) | 64 | 61 | 60 | 60 | 60 | 59 | 59 | 58 | 58 | 60 | 61 | 64 | 67 | 68 | 69 | 70 | 70 | 71 | 70 | 69 | 68 | 66 | 64 | 63 |
Dewpoint (°F) | 61 | 60 | 60 | 59 | 59 | 58 | 58 | 58 | 57 | 58 | 59 | 60 | 60 | 61 | 61 | 60 | 60 | 60 | 61 | 60 | 61 | 60 | 61 | 60 |
Heat Index (°F) | ||||||||||||||||||||||||
Surface Wind (mph) | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 7 | 6 | 5 | 3 | 2 |
Wind Dir | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 90 | 80 | 81 | 85 | 82 | 78 | 81 | 81 | 79 | 77 | 77 | 76 | 73 | 73 | 75 | 79 | 76 | 72 | 68 | 68 | 63 | 58 | 47 | 41 |
Precipitation Potential (%) | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 4 | 5 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 6 | 2 | 2 | 2 |
Relative Humidity (%) | 90 | 97 | 100 | 96 | 96 | 96 | 96 | 100 | 96 | 93 | 93 | 87 | 78 | 78 | 76 | 71 | 71 | 68 | 73 | 73 | 78 | 81 | 90 | 90 |
Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Date | 10/01 | |||||||||||||||||||||||
Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
Temperature (°F) | 62 | 60 | 60 | 59 | 58 | 57 | 57 | 56 | 57 | 58 | 61 | 65 | 69 | 72 | 74 | 76 | 77 | 77 | 76 | 74 | 71 | 68 | 66 | 64 |
Dewpoint (°F) | 60 | 59 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 57 | 57 | 58 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 |
Heat Index (°F) | 76 | 77 | 77 | 76 | ||||||||||||||||||||
Surface Wind (mph) | 2 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 5 |
Wind Dir | N | N | N | N | N | N | N | N | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 36 | 35 | 34 | 34 | 32 | 32 | 32 | 30 | 27 | 25 | 20 | 16 | 12 | 11 | 10 | 9 | 7 | 6 | 4 | 4 | 4 | 4 | 4 | 4 |
Precipitation Potential (%) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Relative Humidity (%) | 93 | 96 | 96 | 96 | 100 | 100 | 100 | 100 | 96 | 96 | 87 | 78 | 70 | 64 | 59 | 54 | 52 | 52 | 54 | 57 | 66 | 73 | 78 | 84 |
Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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