| Point Forecast: 2 Miles ESE Montgomery Village MD 39.17N 77.18W (Elev. 449 ft) |
Last Update: 10:30 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 83 | 85 | 86 | 87 | 85 | 85 | 84 | 83 | 80 | 79 | 77 | 76 | 75 | 75 | 74 | 74 | 74 | 74 | 73 | 74 | 76 | 79 | 81 | 83 |
| Dewpoint (°F) | 76 | 75 | 74 | 74 | 75 | 74 | 75 | 75 | 76 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 73 | 73 | 75 | 77 | 78 | 78 |
| Heat Index (°F) | 91 | 94 | 94 | 95 | 94 | 93 | 92 | 90 | 86 | 79 | 77 | 76 | 75 | 75 | 76 | 79 | 89 | 93 | ||||||
| Surface Wind (mph) | 1 | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 5 | 6 | 6 |
| Wind Dir | N | N | SE | SE | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 38 | 33 | 44 | 50 | 62 | 64 | 56 | 60 | 52 | 42 | 39 | 42 | 46 | 41 | 43 | 53 | 43 | 55 | 66 | 49 | 60 | 70 | 68 | 66 |
| Precipitation Potential (%) | 6 | 13 | 16 | 25 | 43 | 46 | 34 | 40 | 18 | 19 | 20 | 15 | 7 | 6 | 7 | 6 | 7 | 8 | 9 | 12 | 30 | 30 | 30 | 30 |
| Relative Humidity (%) | 80 | 72 | 68 | 65 | 72 | 70 | 74 | 77 | 88 | 91 | 97 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 97 | 94 | 91 | 85 |
| Rain | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 85 | 86 | 87 | 87 | 86 | 85 | 84 | 82 | 81 | 80 | 78 | 77 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 78 | 80 | 83 | 86 |
| Dewpoint (°F) | 78 | 77 | 76 | 76 | 76 | 76 | 76 | 77 | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 74 | 73 | 73 | 74 | 75 | 76 | 76 | 76 | 76 |
| Heat Index (°F) | 97 | 97 | 98 | 98 | 96 | 94 | 93 | 90 | 88 | 86 | 78 | 77 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 78 | 86 | 91 | 96 |
| Surface Wind (mph) | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 75 | 80 | 80 | 80 | 80 | 80 | 80 | 76 | 72 | 69 | 65 | 67 | 68 | 70 | 63 | 57 | 50 | 48 | 45 | 43 | 40 | 37 | 34 |
| Precipitation Potential (%) | 30 | 30 | 69 | 69 | 69 | 69 | 69 | 69 | 29 | 29 | 29 | 29 | 29 | 29 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 13 |
| Relative Humidity (%) | 80 | 75 | 70 | 70 | 72 | 75 | 77 | 85 | 88 | 88 | 94 | 94 | 97 | 100 | 100 | 97 | 94 | 94 | 97 | 97 | 94 | 88 | 80 | 72 |
| Rain | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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