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| Point Forecast: Portsmouth NH 43.07N 70.78W (Elev. 33 ft) |
Last Update: 4:00 am EDT May 31, 2023 |
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| Date | 05/31 | 06/01 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 49 | 52 | 54 | 57 | 64 | 69 | 74 | 75 | 76 | 77 | 77 | 76 | 75 | 72 | 70 | 65 | 62 | 61 | 60 | 59 | 57 | 56 | 56 | 55 |
| Dewpoint (°F) | 42 | 44 | 46 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 52 |
| Heat Index (°F) | 75 | 76 | 77 | 77 | 76 | 75 | ||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW |
| Gust | 20 | |||||||||||||||||||||||
| Sky Cover (%) | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 4 | 5 | 7 | 9 | 12 | 15 | 13 | 12 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 77 | 74 | 74 | 72 | 56 | 47 | 40 | 38 | 39 | 37 | 37 | 40 | 41 | 46 | 51 | 60 | 67 | 70 | 72 | 75 | 80 | 83 | 86 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/02 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 55 | 56 | 60 | 67 | 74 | 80 | 85 | 88 | 88 | 88 | 88 | 88 | 86 | 83 | 79 | 74 | 72 | 69 | 67 | 66 | 65 | 64 | 63 | 62 |
| Dewpoint (°F) | 53 | 53 | 53 | 54 | 55 | 55 | 56 | 56 | 55 | 55 | 55 | 55 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 56 |
| Heat Index (°F) | 80 | 84 | 86 | 86 | 86 | 86 | 86 | 85 | 82 | 79 | ||||||||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | W | SW | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 9 | 7 | 6 | 5 | 3 | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 6 | 7 | 8 | 12 | 16 | 20 | 21 | 21 | 22 | 22 | 21 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Relative Humidity (%) | 93 | 90 | 78 | 63 | 51 | 42 | 37 | 34 | 33 | 33 | 33 | 33 | 36 | 40 | 47 | 55 | 59 | 66 | 70 | 73 | 75 | 78 | 81 | 81 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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