| Point Forecast: Johnston RI 41.82N 71.47W (Elev. 112 ft) |
Last Update: 1:16 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 73 | 73 | 72 | 72 | 72 | 74 | 76 | 79 | 81 | 83 | 84 | 85 | 86 | 85 | 84 | 83 | 82 | 79 | 77 | 75 | 74 | 73 | 72 | 72 |
| Dewpoint (°F) | 72 | 71 | 71 | 71 | 72 | 73 | 74 | 74 | 75 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 74 | 73 | 73 | 73 | 72 | 72 | 71 | 71 |
| Heat Index (°F) | 76 | 79 | 87 | 91 | 93 | 94 | 95 | 94 | 92 | 90 | 88 | 79 | 77 | 75 | ||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 3 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | SW | SW | S | S | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 88 | 90 | 89 | 90 | 81 | 84 | 67 | 51 | 39 | 39 | 42 | 32 | 34 | 28 | 40 | 22 | 8 | 15 | 16 | 24 | 36 | 50 | 49 | 45 |
| Precipitation Potential (%) | 35 | 32 | 33 | 32 | 26 | 19 | 12 | 9 | 8 | 8 | 12 | 15 | 10 | 8 | 8 | 5 | 4 | 3 | 3 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 97 | 93 | 97 | 97 | 100 | 97 | 94 | 85 | 82 | 80 | 77 | 72 | 70 | 72 | 74 | 77 | 77 | 82 | 88 | 94 | 93 | 97 | 97 | 97 |
| Rain | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 72 | 72 | 71 | 71 | 73 | 76 | 78 | 81 | 84 | 86 | 87 | 88 | 88 | 88 | 87 | 85 | 83 | 81 | 79 | 77 | 76 | 75 | 75 | 75 |
| Dewpoint (°F) | 72 | 71 | 71 | 71 | 73 | 73 | 74 | 75 | 75 | 75 | 76 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 74 | 73 | 73 | 73 | 74 | 74 |
| Heat Index (°F) | 76 | 78 | 87 | 92 | 96 | 98 | 99 | 99 | 98 | 96 | 94 | 90 | 86 | 83 | 77 | 76 | 75 | 75 | 75 | |||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SW | S | S | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 37 | 48 | 60 | 64 | 49 | 49 | 34 | 36 | 38 | 37 | 36 | 35 | 38 | 41 | 44 | 49 | 54 | 59 | 65 | 70 | 76 | 79 | 83 | 86 |
| Precipitation Potential (%) | 1 | 2 | 2 | 2 | 2 | 4 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 16 | 18 | 21 | 24 |
| Relative Humidity (%) | 100 | 97 | 100 | 100 | 100 | 90 | 88 | 81 | 74 | 71 | 69 | 68 | 67 | 67 | 68 | 71 | 75 | 79 | 83 | 87 | 90 | 93 | 95 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
