| Point Forecast: Raleigh-Durham International Airport NC 35.87N 78.78W (Elev. 122 m) |
Last Update: 2:12 pm EDT May 16, 2026 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 29 | 29 | 30 | 29 | 27 | 24 | 22 | 22 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 22 | 24 | 27 | 29 | 31 | 32 | 33 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 |
| Heat Index (°C) | 28 | 28 | 29 | 28 | 27 | 24 | 24 | 28 | 31 | 31 | 33 | 33 | ||||||||||||
| Surface Wind (mph) | 11 | 10 | 10 | 8 | 5 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SW | SW | SW | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 35 | 44 | 34 | 27 | 36 | 37 | 43 | 52 | 45 | 37 | 36 | 36 | 33 | 36 | 47 | 62 | 50 | 34 | 11 | 12 | 14 | 13 | 12 | 6 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 7 |
| Relative Humidity (%) | 33 | 33 | 32 | 36 | 42 | 52 | 57 | 57 | 61 | 63 | 68 | 70 | 75 | 81 | 84 | 84 | 87 | 76 | 66 | 60 | 51 | 46 | 41 | 40 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 33 | 33 | 32 | 31 | 30 | 26 | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 19 | 21 | 23 | 26 | 28 | 31 | 32 | 33 | 34 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 |
| Heat Index (°C) | 33 | 34 | 32 | 32 | 31 | 26 | 25 | 24 | 26 | 29 | 32 | 33 | 33 | 34 | ||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 7 |
| Wind Dir | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 2 | 3 | 2 | 8 | 7 | 12 | 17 | 12 | 7 | 11 | 18 | 26 | 26 | 26 | 27 | 17 | 21 | 15 | 10 | 8 | 7 | 5 | 5 |
| Precipitation Potential (%) | 7 | 7 | 7 | 7 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 40 | 37 | 39 | 43 | 46 | 58 | 62 | 64 | 69 | 71 | 76 | 81 | 84 | 90 | 90 | 93 | 87 | 79 | 67 | 57 | 48 | 42 | 40 | 36 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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