Currently: 10 °F. Passing clouds. (Weather station: Pease Air Force Base / Portsmouth, USA). See more current weatherPast Weather in Portsmouth — Graph
Portsmouth Temperature Yesterday
Maximum temperature yesterday: 23 °F (at 12:55 am)
Minimum temperature yesterday: 11 °F (at 11:55 pm)
Average temperature yesterday: 18 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 50 °F (Jan 14, 11:55 am) | 100% (Jan 15, 6:25 am) | 30.47 "Hg (Jan 15, 6:25 am) |
| Low | 8 °F (Jan 21, 6:55 am) | 27% (Jan 16, 2:55 pm) | 29.26 "Hg (Jan 15, 11:55 am) |
| Average | 33 °F | 74% | 29.88 "Hg |
| * Reported Jan 6 6:55 am — Jan 21 6:55 am, Portsmouth. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Portsmouth Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 6:55 am Wed, Jan 21 |  | 8 °F | Passing clouds. | 6 mph | ↑ | 59% | 30.47 "Hg | 10 mi |
| 5:55 am |  | 10 °F | Clear. | 5 mph | ↑ | 56% | 30.46 "Hg | 10 mi |
| 4:55 am | | 10 °F | Clear. | 7 mph | ↑ | 56% | 30.45 "Hg | 10 mi |
| 3:55 am | | 12 °F | Clear. | 10 mph | ↑ | 52% | 30.43 "Hg | 10 mi |
| 2:55 am | | 12 °F | Clear. | 10 mph | ↑ | 52% | 30.42 "Hg | 10 mi |
| 1:55 am | | 12 °F | Clear. | 7 mph | ↑ | 51% | 30.42 "Hg | 10 mi |
| 12:55 am | | 12 °F | Clear. | 9 mph | ↑ | 50% | 30.40 "Hg | 10 mi |
| 11:55 pm Tue, Jan 20 | | 11 °F | Clear. | 7 mph | ↑ | 52% | 30.39 "Hg | 10 mi |
| 10:55 pm | | 12 °F | Clear. | 7 mph | ↑ | 50% | 30.37 "Hg | 10 mi |
| 9:55 pm | | 13 °F | Clear. | 9 mph | ↑ | 50% | 30.35 "Hg | 10 mi |
| 8:55 pm | | 14 °F | Clear. | 6 mph | ↑ | 49% | 30.33 "Hg | 10 mi |
| 7:55 pm | | 15 °F | Clear. | 10 mph | ↑ | 49% | 30.31 "Hg | 10 mi |
| 6:55 pm | | 16 °F | Clear. | 8 mph | ↑ | 46% | 30.29 "Hg | 10 mi |
| 5:55 pm | | 19 °F | Clear. | 13 mph | ↑ | 41% | 30.24 "Hg | 10 mi |
| 4:55 pm | | 19 °F | Passing clouds. | 7 mph | ↑ | 45% | 30.20 "Hg | 10 mi |
| 3:55 pm | | 20 °F | Passing clouds. | 12 mph | ↑ | 44% | 30.16 "Hg | 10 mi |
| 2:55 pm |  | 22 °F | Partly sunny. | 18 mph | ↑ | 44% | 30.14 "Hg | 10 mi |
| 1:55 pm | | 21 °F | Partly sunny. | 18 mph | ↑ | 48% | 30.11 "Hg | 10 mi |
| 12:55 pm | | 22 °F | Partly sunny. | 15 mph | ↑ | 50% | 30.08 "Hg | 10 mi |
| 11:55 am | | 22 °F | Scattered clouds. | 13 mph | ↑ | 49% | 30.08 "Hg | 10 mi |
| 10:55 am | | 22 °F | Passing clouds. | 15 mph | ↑ | 52% | 30.09 "Hg | 10 mi |
| 9:55 am | | 20 °F | Passing clouds. | 14 mph | ↑ | 57% | 30.09 "Hg | 10 mi |
| 8:55 am |  | 18 °F | Sunny. | 7 mph | ↑ | 64% | 30.08 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||