Currently: 48 °F. Rain. Mostly cloudy. (Weather station: Southampton / Weather Centre, United Kingdom). See more current weatherPast Weather in Portsmouth — Graph
Portsmouth Temperature Yesterday
Maximum temperature yesterday: 50 °F (at 12:50 pm)
Minimum temperature yesterday: 43 °F (at 11:50 pm)
Average temperature yesterday: 47 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 52 °F (Jan 11, 10:20 pm) | 100% (Jan 6, 11:20 am) | 30.18 "Hg (Jan 6, 11:20 am) |
| Low | 27 °F (Jan 10, 10:50 pm) | 61% (Jan 7, 12:50 pm) | 28.68 "Hg (Jan 8, 10:20 pm) |
| Average | 44 °F | 91% | 29.73 "Hg |
| * Reported Jan 6 11:20 am — Jan 21 11:50 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 | ||
| 11:50 am Wed, Jan 21 |  | 48 °F | Light rain. Mostly cloudy. | 14 mph | ↑ | 94% | 29.15 "Hg | 4 mi |
| 11:20 am |  | 48 °F | Heavy rain. Mostly cloudy. | 17 mph | ↑ | 94% | 29.15 "Hg | 2 mi |
| 10:50 am | | 50 °F | Light rain. Mostly cloudy. | 18 mph | ↑ | 94% | 29.18 "Hg | N/A |
| 10:20 am | | 50 °F | Drizzle. Overcast. | 18 mph | ↑ | 94% | 29.18 "Hg | 4 mi |
| 9:50 am | | 50 °F | Drizzle. Mostly cloudy. | 16 mph | ↑ | 94% | 29.18 "Hg | N/A |
| 9:20 am | | 50 °F | Drizzle. Partly sunny. | 16 mph | ↑ | 94% | 29.18 "Hg | 2 mi |
| 8:50 am | | 48 °F | Light rain. Mostly cloudy. | 13 mph | ↑ | 100% | 29.18 "Hg | 3 mi |
| 8:20 am | | 46 °F | Rain. Partly sunny. | 14 mph | ↑ | 93% | 29.21 "Hg | 1 mi |
| 7:50 am | | 45 °F | Rain. Passing clouds. | 13 mph | ↑ | 93% | 29.24 "Hg | 3 mi |
| 7:20 am | | 45 °F | Rain. Passing clouds. | 13 mph | ↑ | 93% | 29.27 "Hg | 4 mi |
| 6:50 am |  | 45 °F | Passing clouds. | 12 mph | ↑ | 93% | 29.30 "Hg | N/A |
| 6:20 am |  | 45 °F | Light rain. Partly cloudy. | 10 mph | ↑ | 93% | 29.33 "Hg | N/A |
| 5:50 am |  | 45 °F | Clear. | 8 mph | ↑ | 93% | 29.33 "Hg | N/A |
| 5:20 am | | 43 °F | Clear. | 6 mph | ↑ | 93% | 29.36 "Hg | N/A |
| 4:50 am | | 43 °F | Clear. | 6 mph | ↑ | 93% | 29.36 "Hg | N/A |
| 4:20 am | | 43 °F | Passing clouds. | 7 mph | ↑ | 93% | 29.39 "Hg | N/A |
| 3:50 am | | 43 °F | Passing clouds. | 7 mph | ↑ | 93% | 29.39 "Hg | N/A |
| 3:20 am |  | 43 °F | Partly cloudy. | 5 mph | ↑ | 93% | 29.42 "Hg | N/A |
| 2:50 am | | 43 °F | Partly cloudy. | 6 mph | ↑ | 93% | 29.45 "Hg | N/A |
| 2:20 am | | 43 °F | Passing clouds. | 7 mph | ↑ | 93% | 29.45 "Hg | N/A |
| 1:50 am | | 41 °F | Passing clouds. | 6 mph | ↑ | 93% | 29.45 "Hg | N/A |
| 1:20 am | | 41 °F | Passing clouds. | 6 mph | ↑ | 93% | 29.45 "Hg | N/A |
| 12:50 am | | 41 °F | Passing clouds. | 5 mph | ↑ | 100% | 29.47 "Hg | N/A |
| 12:20 am | | 43 °F | Passing clouds. | 5 mph | ↑ | 93% | 29.47 "Hg | N/A |
| 11:50 pm Tue, Jan 20 | | 43 °F | Light rain. Partly cloudy. | 5 mph | ↑ | 93% | 29.47 "Hg | N/A |
| 11:20 pm | | 45 °F | Rain. Partly cloudy. | 14 mph | ↑ | 93% | 29.47 "Hg | 2 mi |
| 10:50 pm | | 46 °F | Light rain. Passing clouds. | 12 mph | ↑ | 87% | 29.47 "Hg | N/A |
| 10:20 pm | | 45 °F | Partly cloudy. | 9 mph | ↑ | 93% | 29.47 "Hg | N/A |
| 9:50 pm |  | 45 °F | Mostly cloudy. | 12 mph | ↑ | 93% | 29.47 "Hg | N/A |
| 9:20 pm | | 45 °F | Passing clouds. | 13 mph | ↑ | 93% | 29.47 "Hg | N/A |
| 8:50 pm | | 46 °F | Heavy rain. Passing clouds. | 16 mph | ↑ | 93% | 29.47 "Hg | 1 mi |
| 8:20 pm | | 46 °F | Light rain. Overcast. | 18 mph | ↑ | 93% | 29.50 "Hg | N/A |
| 7:50 pm | | 46 °F | Light rain. Mostly cloudy. | 18 mph | ↑ | 93% | 29.50 "Hg | 6 mi |
| 7:20 pm | | 46 °F | Light rain. Passing clouds. | 17 mph | ↑ | 93% | 29.53 "Hg | 5 mi |
| 6:50 pm | | 48 °F | Light rain. Mostly cloudy. | 16 mph | ↑ | 82% | 29.56 "Hg | N/A |
| 6:20 pm | | 48 °F | Light rain. Overcast. | 17 mph | ↑ | 82% | 29.56 "Hg | N/A |
| 5:50 pm | | 48 °F | Light rain. Overcast. | 18 mph | ↑ | 82% | 29.59 "Hg | N/A |
| 5:20 pm | | 48 °F | Passing clouds. | 22 mph | ↑ | 82% | 29.59 "Hg | N/A |
| 4:50 pm | | 48 °F | Passing clouds. | 18 mph | ↑ | 76% | 29.62 "Hg | N/A |
| 4:20 pm |  | 48 °F | Passing clouds. | 17 mph | ↑ | 82% | 29.62 "Hg | N/A |
| 3:50 pm | | 48 °F | Passing clouds. | 16 mph | ↑ | 76% | 29.65 "Hg | N/A |
| 3:20 pm | | 48 °F | Passing clouds. | 16 mph | ↑ | 82% | 29.65 "Hg | N/A |
| 2:50 pm | | 48 °F | Passing clouds. | 17 mph | ↑ | 82% | 29.65 "Hg | N/A |
| 2:20 pm | | 48 °F | Passing clouds. | 17 mph | ↑ | 82% | 29.68 "Hg | N/A |
| 1:50 pm | | 48 °F | Passing clouds. | 17 mph | ↑ | 82% | 29.68 "Hg | N/A |
| 1:20 pm | | 50 °F | Scattered clouds. | 15 mph | ↑ | 76% | 29.71 "Hg | N/A |
| Weather by CustomWeather, © 2026 | ||||||||