| Point Forecast: Germantown MD 39.18N 77.26W (Elev. 489 ft) |
Last Update: 10:30 pm EDT Sep 24, 2024 |
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| Date | 09/24 | 09/25 | ||||||||||||||||||||||
| 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 | 64 | 64 | 63 | 64 | 64 | 63 | 64 | 64 | 65 | 67 | 68 | 68 | 69 | 70 | 70 | 71 | 72 | 71 | 71 | 71 | 71 | 70 | 70 |
| Dewpoint (°F) | 63 | 62 | 62 | 63 | 64 | 64 | 63 | 64 | 64 | 64 | 66 | 67 | 67 | 68 | 69 | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 69 | 69 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 |
| Wind Dir | E | E | E | E | E | SE | SE | E | E | E | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE |
| Gust | 20 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 96 | 93 | 94 | 97 | 92 | 93 | 94 | 96 | 97 | 93 | 96 | 95 | 97 | 97 | 96 | 96 | 95 | 93 | 91 | 91 | 91 | 91 | 90 | 90 |
| Precipitation Potential (%) | 60 | 60 | 60 | 71 | 71 | 71 | 67 | 67 | 67 | 60 | 60 | 60 | 60 | 60 | 60 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 |
| Relative Humidity (%) | 97 | 93 | 93 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 93 | 97 | 97 | 97 | 97 | 97 | 97 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | Chc | Chc | Chc |
| Date | 09/26 | |||||||||||||||||||||||
| 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) | 70 | 70 | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 71 | 72 | 74 | 75 | 76 | 77 | 77 | 77 | 76 | 75 | 73 | 71 | 70 |
| Dewpoint (°F) | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 70 | 71 | 73 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 71 | 70 |
| Heat Index (°F) | 75 | 76 | 77 | 77 | 77 | 76 | 75 | |||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 89 | 90 | 91 | 91 | 91 | 91 | 92 | 92 | 93 | 94 | 92 | 92 | 92 | 91 | 90 | 85 | 77 | 73 | 75 | 78 | 81 | 83 | 86 |
| Precipitation Potential (%) | 32 | 32 | 32 | 22 | 22 | 22 | 22 | 22 | 22 | 15 | 15 | 15 | 15 | 15 | 15 | 21 | 21 | 21 | 21 | 21 | 21 | 14 | 14 | 14 |
| Relative Humidity (%) | 97 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 97 | 97 | 97 | 94 | 87 | 87 | 87 | 90 | 94 | 100 | 100 | 100 |
| Rain | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- |
| Thunder | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- |
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