Currently: 34 °F. Overcast. (Weather station: Norfolk Naval Air Station, USA). See more current weather
Past Weather in Portsmouth — Graph
Portsmouth Temperature Yesterday
Maximum temperature yesterday: 47 °F (at 2:59 pm)
Minimum temperature yesterday: 26 °F (at 1:59 am)
Average temperature yesterday: 36 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 58 °F (Jan 22, 1:59 pm) | 100% (Jan 25, 5:21 am) | 30.68 "Hg (Jan 25, 5:21 am) |
| Low | 19 °F (Jan 27, 6:59 am) | 21% (Jan 23, 1:59 pm) | 29.76 "Hg (Jan 25, 9:41 pm) |
| Average | 31 °F | 63% | 30.18 "Hg |
| * Reported Jan 20 8:59 pm — Feb 4 8:59 pm, 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
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 8:59 pm Wed, Feb 4 |
|
34 °F | Overcast. | 8 mph | ↑ | 79% | 30.18 "Hg | 8 mi |
| 7:59 pm |
|
34 °F | Mostly cloudy. | 7 mph | ↑ | 82% | 30.19 "Hg | 7 mi |
| 7:38 pm |
|
34 °F | Mostly cloudy. | 6 mph | ↑ | 82% | 30.19 "Hg | 7 mi |
| 7:06 pm |
|
35 °F | Fog. | 8 mph | ↑ | 85% | 30.19 "Hg | 5 mi |
| 6:23 pm |
|
34 °F | Sleet. Overcast. | 9 mph | ↑ | 79% | 30.19 "Hg | 7 mi |
| 5:59 pm |
|
34 °F | Sleet. Overcast. | 8 mph | ↑ | 82% | 30.19 "Hg | 7 mi |
| 5:07 pm |
|
34 °F | Fog. | 12 mph | ↑ | 79% | 30.19 "Hg | 5 mi |
| 3:59 pm |
|
35 °F | Fog. | 13 mph | ↑ | 85% | 30.19 "Hg | 4 mi |
| 3:12 pm |
|
35 °F | Fog. | 13 mph | ↑ | 82% | 30.17 "Hg | 4 mi |
| 2:59 pm |
|
35 °F | Fog. | 14 mph | ↑ | 82% | 30.16 "Hg | 4 mi |
| 1:59 pm |
|
34 °F | Fog. | 14 mph | ↑ | 85% | 30.18 "Hg | 5 mi |
| 1:12 pm |
|
35 °F | Fog. | 15 mph | ↑ | 82% | 30.19 "Hg | 6 mi |
| 12:59 pm |
|
35 °F | Fog. | 13 mph | ↑ | 82% | 30.19 "Hg | 6 mi |
| 11:59 am |
|
35 °F | Fog. | 15 mph | ↑ | 88% | 30.21 "Hg | 4 mi |
| 11:36 am |
|
37 °F | Mostly cloudy. | 14 mph | ↑ | 86% | 30.23 "Hg | 7 mi |
| 10:59 am |
|
37 °F | More clouds than sun. | 13 mph | ↑ | 86% | 30.23 "Hg | 7 mi |
| 10:39 am |
|
38 °F | Low clouds. | 13 mph | ↑ | 86% | 30.23 "Hg | 7 mi |
| 9:59 am |
|
37 °F | More clouds than sun. | 12 mph | ↑ | 89% | 30.22 "Hg | 7 mi |
| 8:59 am |
|
37 °F | Overcast. | 7 mph | ↑ | 86% | 30.20 "Hg | 8 mi |
| 7:59 am |
|
37 °F | Overcast. | No wind | ↑ | 89% | 30.18 "Hg | 8 mi |
| 6:59 am |
|
37 °F | Overcast. | 5 mph | ↑ | 82% | 30.15 "Hg | 10 mi |
| 5:59 am |
|
37 °F | Overcast. | 5 mph | ↑ | 76% | 30.15 "Hg | 10 mi |
| 4:59 am |
|
37 °F | Overcast. | 6 mph | ↑ | 76% | 30.14 "Hg | 10 mi |
| 3:59 am |
|
38 °F | Overcast. | No wind | ↑ | 65% | 30.13 "Hg | 10 mi |
| 2:59 am |
|
38 °F | Overcast. | 6 mph | ↑ | 63% | 30.14 "Hg | 10 mi |
| 1:59 am |
|
38 °F | Overcast. | 6 mph | ↑ | 65% | 30.17 "Hg | 10 mi |
| 12:59 am |
|
38 °F | Overcast. | 3 mph | ↑ | 63% | 30.18 "Hg | 10 mi |
| 11:59 pm Tue, Feb 3 |
|
39 °F | Overcast. | 3 mph | ↑ | 60% | 30.19 "Hg | 10 mi |
| 10:59 pm |
|
39 °F | Mostly cloudy. | 3 mph | ↑ | 57% | 30.18 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||