Currently: 54 °F. Sunny. (Weather station: Southampton / Weather Centre, United Kingdom). See more current weatherPast Weather in Portsmouth — Graph
Portsmouth Temperature Yesterday
Maximum temperature yesterday: 61 °F (at 3:20 pm)
Minimum temperature yesterday: 37 °F (at 2:20 am)
Average temperature yesterday: 48 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 64 °F (Mar 18, 1:50 pm) | 100% (Mar 7, 1:20 am) | 30.30 "Hg (Mar 7, 1:20 am) |
| Low | 28 °F (Mar 15, 3:20 am) | 29% (Mar 21, 3:50 pm) | 29.50 "Hg (Mar 13, 12:50 am) |
| Average | 48 °F | 82% | 30.01 "Hg |
| * Reported Mar 6 5:20 pm — Mar 21 5:20 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
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 5:20 pm Sat, Mar 21 |  | 55 °F | Passing clouds. | 7 mph | ↑ | 36% | 30.04 "Hg | N/A |
| 4:50 pm | | 57 °F | Passing clouds. | 6 mph | ↑ | 29% | 30.04 "Hg | N/A |
| 4:20 pm | | 57 °F | Passing clouds. | 7 mph | ↑ | 31% | 30.04 "Hg | N/A |
| 3:50 pm | | 57 °F | Passing clouds. | 7 mph | ↑ | 29% | 30.04 "Hg | N/A |
| 3:20 pm | | 57 °F | Passing clouds. | 8 mph | ↑ | 31% | 30.04 "Hg | N/A |
| 2:50 pm | | 57 °F | Passing clouds. | 6 mph | ↑ | 33% | 30.04 "Hg | N/A |
| 2:20 pm |  | 57 °F | Sunny. | 8 mph | ↑ | 31% | 30.07 "Hg | 10 mi |
| 1:50 pm | | 57 °F | Passing clouds. | 7 mph | ↑ | 36% | 30.07 "Hg | N/A |
| 1:20 pm | | 57 °F | Passing clouds. | 7 mph | ↑ | 39% | 30.07 "Hg | N/A |
| 12:50 pm | | 57 °F | Passing clouds. | 8 mph | ↑ | 39% | 30.07 "Hg | N/A |
| 12:20 pm | | 55 °F | Passing clouds. | 9 mph | ↑ | 41% | 30.09 "Hg | N/A |
| 11:50 am | | 55 °F | Passing clouds. | 8 mph | ↑ | 38% | 30.09 "Hg | N/A |
| 11:20 am | | 55 °F | Passing clouds. | 8 mph | ↑ | 38% | 30.09 "Hg | N/A |
| 10:50 am | | 54 °F | Passing clouds. | 9 mph | ↑ | 38% | 30.12 "Hg | N/A |
| 10:20 am | | 52 °F | Passing clouds. | 8 mph | ↑ | 47% | 30.12 "Hg | N/A |
| 9:50 am | | 50 °F | Passing clouds. | 6 mph | ↑ | 58% | 30.12 "Hg | N/A |
| 9:20 am | | 48 °F | Passing clouds. | 7 mph | ↑ | 66% | 30.12 "Hg | N/A |
| 8:50 am | | 46 °F | Passing clouds. | 7 mph | ↑ | 76% | 30.12 "Hg | N/A |
| 8:20 am | | 43 °F | Sunny. | 8 mph | ↑ | 87% | 30.12 "Hg | 10 mi |
| 7:50 am | | 41 °F | Sunny. | 7 mph | ↑ | 93% | 30.12 "Hg | 10 mi |
| 7:20 am | | 39 °F | Sunny. | 6 mph | ↑ | 100% | 30.12 "Hg | 10 mi |
| 6:50 am | | 39 °F | Clear. | 6 mph | ↑ | 93% | 30.12 "Hg | 6 mi |
| 6:20 am | | 37 °F | Sunny. | 6 mph | ↑ | 100% | 30.12 "Hg | 10 mi |
| 5:50 am | | 39 °F | Clear. | 7 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 5:20 am | | 37 °F | Clear. | 5 mph | ↑ | 93% | 30.09 "Hg | N/A |
| 4:50 am | | 39 °F | Clear. | 6 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 4:20 am | | 39 °F | Clear. | 5 mph | ↑ | 93% | 30.12 "Hg | 6 mi |
| 3:50 am | | 39 °F | Clear. | 5 mph | ↑ | 93% | 30.09 "Hg | 5 mi |
| 3:20 am | | 39 °F | Clear. | 3 mph | ↑ | 93% | 30.09 "Hg | N/A |
| 2:50 am | | 37 °F | Clear. | 3 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 2:20 am | | 37 °F | Clear. | 2 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 1:50 am | | 41 °F | Clear. | 3 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 1:20 am | | 37 °F | Clear. | 1 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 12:50 am | | 41 °F | Clear. | 2 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 12:20 am | | 37 °F | Clear. | 1 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 11:50 pm Fri, Mar 20 | | 39 °F | Clear. | 3 mph | ↑ | 93% | 30.12 "Hg | N/A |
| 11:20 pm | | 43 °F | Clear. | 2 mph | ↑ | 87% | 30.12 "Hg | N/A |
| 10:50 pm | | 43 °F | Clear. | 1 mph | ↑ | 81% | 30.12 "Hg | N/A |
| 10:20 pm | | 41 °F | Clear. | 1 mph | ↑ | 87% | 30.12 "Hg | N/A |
| 9:50 pm | | 46 °F | Clear. | 3 mph | ↑ | 76% | 30.12 "Hg | 10 mi |
| 9:20 pm | | 45 °F | Clear. | 3 mph | ↑ | 76% | 30.12 "Hg | 10 mi |
| 8:50 pm | | 50 °F | Clear. | 2 mph | ↑ | 62% | 30.12 "Hg | 10 mi |
| 8:20 pm | | 52 °F | Clear. | 2 mph | ↑ | 58% | 30.12 "Hg | 10 mi |
| 7:50 pm |  | 48 °F | Passing clouds. | 3 mph | ↑ | 66% | 30.12 "Hg | N/A |
| 7:20 pm | | 52 °F | Clear. | 2 mph | ↑ | 54% | 30.12 "Hg | 10 mi |
| 6:50 pm | | 52 °F | Clear. | 1 mph | ↑ | 54% | 30.12 "Hg | 10 mi |
| 6:20 pm | | 55 °F | Clear. | 3 mph | ↑ | 47% | 30.09 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||