| Point Forecast: Marlborough MA 42.36N 71.55W (Elev. 136 m) |
Last Update: 6:05 pm EDT Jul 13, 2025 |
 |
|
[show menu] |
| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 27 | 26 | 24 | 23 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 23 | 24 | 25 | 27 | 27 | 28 | 28 | 28 | 28 |
| Dewpoint (°C) | 20 | 19 | 19 | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 |
| Heat Index (°C) | 28 | 26 | 24 | 24 | 25 | 28 | 29 | 31 | 31 | 31 | 31 | |||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | SW | S | S | S | S | S | S | S | S | S | SW | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 38 | 49 | 68 | 76 | 89 | 90 | 93 | 92 | 94 | 93 | 95 | 96 | 95 | 91 | 91 | 83 | 77 | 76 | 73 | 68 | 59 | 64 | 59 |
| Precipitation Potential (%) | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 8 | 7 | 7 | 6 | 13 | 20 | 27 | 32 | 36 | 40 |
| Relative Humidity (%) | 67 | 67 | 74 | 84 | 90 | 90 | 97 | 93 | 97 | 97 | 93 | 93 | 97 | 97 | 93 | 87 | 84 | 79 | 74 | 72 | 72 | 72 | 72 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 27 | 26 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 26 | 28 | 29 | 29 | 30 | 31 | 31 | 30 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 29 | 26 | 25 | 24 | 24 | 28 | 31 | 32 | 33 | 33 | 34 | 34 | 33 | |||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 |
| Wind Dir | S | SW | SW | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 59 | 67 | 76 | 81 | 83 | 81 | 79 | 78 | 78 | 79 | 79 | 77 | 74 | 72 | 63 | 56 | 48 | 44 | 40 | 36 | 35 | 35 | 35 |
| Precipitation Potential (%) | 38 | 35 | 33 | 30 | 28 | 25 | 23 | 20 | 18 | 19 | 20 | 20 | 20 | 20 | 19 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 |
| Relative Humidity (%) | 74 | 79 | 82 | 90 | 93 | 93 | 96 | 99 | 100 | 100 | 99 | 97 | 97 | 96 | 93 | 87 | 80 | 74 | 69 | 66 | 63 | 61 | 61 | 61 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc |
| ||||||||||||