| Point Forecast: Centreville MD 39.06N 76.08W (Elev. 7 ft) |
Last Update: 4:13 pm EDT Jul 15, 2025 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 76 | 75 | 76 | 75 | 75 | 75 | 76 | 79 | 81 | 83 | 84 | 86 | 86 | 87 | 88 | 87 | 86 | 85 | 83 | 80 | 79 | 78 | 78 | 78 |
| Dewpoint (°F) | 75 | 74 | 75 | 74 | 74 | 75 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 75 |
| Heat Index (°F) | 76 | 75 | 76 | 75 | 75 | 75 | 76 | 79 | 88 | 92 | 94 | 97 | 97 | 99 | 100 | 99 | 97 | 96 | 91 | 86 | 79 | 78 | 78 | 78 |
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 7 | 8 | 10 | 11 | 11 | 11 | 13 | 13 | 13 | 10 | 9 | 9 | 9 | 7 | 8 |
| Wind Dir | S | S | S | S | S | S | S | S | SW | S | S | SW | SW | SW | S | S | S | S | S | S | S | S | SW | S |
| Gust | 20 | |||||||||||||||||||||||
| Sky Cover (%) | 49 | 49 | 52 | 59 | 58 | 57 | 49 | 55 | 57 | 55 | 56 | 58 | 61 | 57 | 60 | 61 | 70 | 75 | 79 | 80 | 75 | 76 | 77 | 75 |
| Precipitation Potential (%) | 11 | 9 | 9 | 9 | 10 | 13 | 9 | 31 | 28 | 29 | 27 | 39 | 51 | 34 | 42 | 44 | 62 | 67 | 69 | 29 | 29 | 29 | 29 | 29 |
| Relative Humidity (%) | 97 | 97 | 97 | 97 | 97 | 100 | 100 | 94 | 88 | 82 | 80 | 75 | 75 | 72 | 70 | 72 | 75 | 77 | 80 | 88 | 91 | 94 | 94 | 91 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc |
| Thunder | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc |
| Date | 07/18 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 79 | 79 | 79 | 78 | 78 | 78 | 79 | 80 | 82 | 84 | 86 | 88 | 89 | 90 | 91 | 91 | 90 | 89 | 88 | 86 | 85 | 83 | 82 | 81 |
| Dewpoint (°F) | 75 | 75 | 75 | 74 | 75 | 75 | 75 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 77 | 76 |
| Heat Index (°F) | 79 | 79 | 79 | 78 | 78 | 78 | 79 | 86 | 89 | 94 | 97 | 100 | 102 | 103 | 105 | 105 | 103 | 100 | 99 | 96 | 94 | 91 | 90 | 87 |
| Surface Wind (mph) | 8 | 8 | 9 | 10 | 10 | 13 | 13 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 20 | 23 | ||||||||||||||||||||||
| Sky Cover (%) | 71 | 67 | 65 | 63 | 62 | 59 | 55 | 47 | 44 | 42 | 39 | 45 | 50 | 55 | 55 | 55 | 55 | 55 | 55 | 41 | 39 | 36 | 33 | 33 |
| Precipitation Potential (%) | 29 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 33 | 33 | 33 | 33 | 33 | 33 | 13 | 13 | 13 | 13 | 13 |
| Relative Humidity (%) | 88 | 88 | 88 | 88 | 91 | 91 | 88 | 88 | 82 | 80 | 75 | 70 | 68 | 66 | 64 | 64 | 66 | 66 | 68 | 72 | 75 | 80 | 85 | 85 |
| Rain | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- |
| Thunder | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | -- | -- | -- | -- | -- |
