| Point Forecast: Sandy Spring MD 39.14N 77.04W (Elev. 463 ft) |
Last Update: 4:29 am EDT Jun 22, 2024 |
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| Date | 06/22 | 06/23 | ||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 73 | 75 | 79 | 83 | 88 | 92 | 94 | 95 | 97 | 97 | 96 | 96 | 94 | 93 | 90 | 86 | 84 | 83 | 83 | 81 | 81 | 79 | 78 | 78 |
| Dewpoint (°F) | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 69 | 69 | 70 | 70 | 71 | 70 | 71 | 71 | 71 | 70 | 69 | 70 | 68 | 68 | 69 |
| Heat Index (°F) | 75 | 79 | 87 | 92 | 97 | 99 | 101 | 102 | 103 | 102 | 103 | 100 | 100 | 96 | 91 | 89 | 88 | 87 | 84 | 85 | 79 | 78 | 78 | |
| Surface Wind (mph) | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 |
| Wind Dir | SW | SW | SW | SW | W | SW | W | W | W | SW | SW | SW | S | SE | SE | SE | S | S | S | S | S | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 4 | 4 | 4 | 5 | 5 | 6 | 24 | 16 | 30 | 36 | 42 | 44 | 40 | 45 | 44 | 49 | 51 | 56 | 45 | 36 | 31 | 30 | 25 | 24 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 17 | 17 | 17 | 22 | 22 | 22 | 15 | 15 | 15 | 7 | 6 | 4 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 84 | 79 | 72 | 63 | 54 | 47 | 44 | 43 | 39 | 40 | 42 | 43 | 46 | 49 | 52 | 61 | 65 | 67 | 65 | 67 | 69 | 69 | 71 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/24 | |||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 77 | 79 | 83 | 86 | 89 | 93 | 95 | 96 | 96 | 95 | 94 | 92 | 91 | 90 | 88 | 85 | 82 | 79 | 77 | 76 | 75 | 73 | 72 | 71 |
| Dewpoint (°F) | 68 | 69 | 70 | 70 | 70 | 70 | 69 | 69 | 70 | 70 | 69 | 69 | 69 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 70 | 70 | 69 | 68 |
| Heat Index (°F) | 77 | 79 | 87 | 91 | 94 | 99 | 101 | 102 | 103 | 102 | 99 | 97 | 96 | 96 | 93 | 90 | 86 | 79 | 77 | 76 | 75 | |||
| Surface Wind (mph) | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 13 | 14 | 13 | 13 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 7 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | SW | SW | W | W | W |
| Gust | 18 | 18 | 20 | 22 | 21 | 20 | 20 | |||||||||||||||||
| Sky Cover (%) | 28 | 24 | 28 | 31 | 34 | 37 | 43 | 58 | 65 | 69 | 77 | 81 | 80 | 79 | 78 | 80 | 81 | 83 | 79 | 75 | 71 | 61 | 50 | 40 |
| Precipitation Potential (%) | 3 | 3 | 2 | 2 | 2 | 12 | 12 | 12 | 45 | 45 | 45 | 46 | 46 | 46 | 60 | 60 | 60 | 60 | 60 | 60 | 30 | 30 | 30 | 30 |
| Relative Humidity (%) | 74 | 72 | 65 | 59 | 54 | 47 | 43 | 42 | 43 | 45 | 44 | 47 | 49 | 52 | 55 | 61 | 67 | 77 | 82 | 85 | 84 | 90 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- |
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