Currently: 44 °F. Overcast. (Weather station: Norfolk Naval Air Station, USA). See more current weatherPast Weather in Portsmouth — Graph
Portsmouth Temperature Yesterday
Maximum temperature yesterday: 43 °F (at 2:59 pm)
Minimum temperature yesterday: 33 °F (at 11:59 pm)
Average temperature yesterday: 38 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 71 °F (Nov 25, 2:59 pm) | 100% (Nov 20, 9:59 pm) | 30.58 "Hg (Nov 20, 9:59 pm) |
| Low | 32 °F (Nov 30, 2:59 am) | 30% (Nov 28, 3:59 pm) | 29.65 "Hg (Dec 2, 1:59 pm) |
| Average | 49 °F | 74% | 30.12 "Hg |
| * Reported Nov 19 9:36 pm — Dec 4 9:59 pm, Portsmouth. Weather by CustomWeather, © 2025 | |||
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 | ||
| 9:59 pm Thu, Dec 4 | | 45 °F | Mostly cloudy. | 16 mph | ↑ | 60% | 30.22 "Hg | 10 mi |
| 8:59 pm | | 45 °F | Mostly cloudy. | 15 mph | ↑ | 68% | 30.21 "Hg | 10 mi |
| 7:59 pm | | 46 °F | Mostly cloudy. | 8 mph | ↑ | 63% | 30.22 "Hg | 10 mi |
| 6:59 pm | | 42 °F | Mostly cloudy. | 5 mph | ↑ | 79% | 30.19 "Hg | 10 mi |
| 5:59 pm | | 41 °F | Mostly cloudy. | 5 mph | ↑ | 76% | 30.17 "Hg | 10 mi |
| 4:59 pm | | 43 °F | Mostly cloudy. | No wind | ↑ | 71% | 30.17 "Hg | 10 mi |
| 3:59 pm |  | 47 °F | Mostly cloudy. | 6 mph | ↑ | 52% | 30.16 "Hg | 10 mi |
| 2:59 pm | | 47 °F | Broken clouds. | 7 mph | ↑ | 52% | 30.15 "Hg | 10 mi |
| 1:59 pm | | 46 °F | Partly sunny. | 7 mph | ↑ | 56% | 30.14 "Hg | 10 mi |
| 12:59 pm | | 45 °F | Partly sunny. | 7 mph | ↑ | 58% | 30.12 "Hg | 10 mi |
| 11:59 am | | 44 °F | Broken clouds. | 9 mph | ↑ | 60% | 30.14 "Hg | 10 mi |
| 10:59 am | | 43 °F | Partly sunny. | 12 mph | ↑ | 62% | 30.16 "Hg | 10 mi |
| 9:59 am | | 41 °F | Partly sunny. | 9 mph | ↑ | 67% | 30.16 "Hg | 10 mi |
| 8:59 am |  | 38 °F | Scattered clouds. | 9 mph | ↑ | 79% | 30.16 "Hg | 9 mi |
| 7:59 am | | 35 °F | Scattered clouds. | 5 mph | ↑ | 88% | 30.14 "Hg | 8 mi |
| 6:59 am |  | 32 °F | Passing clouds. | 5 mph | ↑ | 92% | 30.11 "Hg | 9 mi |
| 5:59 am | | 34 °F | Passing clouds. | 7 mph | ↑ | 85% | 30.10 "Hg | 10 mi |
| 4:59 am | | 34 °F | Passing clouds. | 6 mph | ↑ | 88% | 30.11 "Hg | 10 mi |
| 3:59 am | | 35 °F | Passing clouds. | 7 mph | ↑ | 85% | 30.13 "Hg | 10 mi |
| 2:59 am | | 33 °F | Passing clouds. | 3 mph | ↑ | 88% | 30.14 "Hg | 10 mi |
| 1:59 am | | 33 °F | Passing clouds. | 5 mph | ↑ | 88% | 30.13 "Hg | 10 mi |
| 12:59 am |  | 33 °F | Clear. | 3 mph | ↑ | 92% | 30.14 "Hg | 10 mi |
| 11:59 pm Wed, Dec 3 | | 33 °F | Passing clouds. | 3 mph | ↑ | 92% | 30.15 "Hg | 9 mi |
| Weather by CustomWeather, © 2025 | ||||||||