Portsmouth City Weather Forecast 15 Days, Weather in Portsmouth Today
Current weather conditions and 15 day weather forecast for Portsmouth, England, UK including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Portsmouth
| 07 August 2026 Friday 14 ° C / 57.1°F  Clear |
Feels Like : 10.9 ° C / 51.6°F Humidity : % 70 Pressure : 1025 mb Wind Speed : 14 kmph / 8.7 miles from NW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 6 |
15 day weather forecast for Portsmouth, England, UK
Weather Forecast for next 15 Days for Portsmouth including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is your temperature trend for the next 15 Days. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 07 August 2026 Friday | Sunny |
12.8 ° C | 21.8 ° C | 17.5 ° C | % 56 | 3% | 6.3 | Sunrise:05:40 AM Sunset: 08:40 PM |
Moonrise:11:41 PM Moonset: 04:17 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
14.7 ° C | 22.4 ° C | 19.2 ° C | % 50 | 3% | 5.6 | Sunrise:05:41 AM Sunset: 08:38 PM |
Moonrise:Does not rise today Moonset: 05:34 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
17.7 ° C | 26.1 ° C | 22.2 ° C | % 39 | 1% | 5.8 | Sunrise:05:43 AM Sunset: 08:36 PM |
Moonrise:12:30 AM Moonset: 06:39 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
18.5 ° C | 28.7 ° C | 23.1 ° C | % 56 | 3% | 6.6 | Sunrise:05:44 AM Sunset: 08:34 PM |
Moonrise:01:38 AM Moonset: 07:28 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
17.4 ° C | 25.4 ° C | 21.6 ° C | % 66 | 5% | 7 | Sunrise:05:46 AM Sunset: 08:33 PM |
Moonrise:03:04 AM Moonset: 08:02 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
19.9 ° C | 25.8 ° C | 22.8 ° C | % 58 | 4% | 7 | Sunrise:05:47 AM Sunset: 08:31 PM |
Moonrise:04:38 AM Moonset: 08:26 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
18.6 ° C | 27.6 ° C | 22.8 ° C | % 60 | 3% | 7 | Sunrise:05:49 AM Sunset: 08:29 PM |
Moonrise:06:13 AM Moonset: 08:44 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
19 ° C | 28.2 ° C | 23.4 ° C | % 55 | 3% | 7 | Sunrise:05:50 AM Sunset: 08:27 PM |
Moonrise:07:44 AM Moonset: 08:59 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
19.2 ° C | 27.6 ° C | 22.9 ° C | % 61 | 4% | 7 | Sunrise:05:52 AM Sunset: 08:25 PM |
Moonrise:09:12 AM Moonset: 09:13 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
16.1 ° C | 24 ° C | 20 ° C | % 66 | 6% | 6 | Sunrise:05:53 AM Sunset: 08:23 PM |
Moonrise:10:37 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday |  Partly Cloudy |
15.4 ° C | 22 ° C | 18.7 ° C | % 74 | 57% | 6 | Sunrise:05:55 AM Sunset: 08:21 PM |
Moonrise:12:00 PM Moonset: 09:44 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
13.1 ° C | 20.6 ° C | 16.9 ° C | % 71 | 8% | 6 | Sunrise:05:56 AM Sunset: 08:19 PM |
Moonrise:01:23 PM Moonset: 10:03 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
16.3 ° C | 23.6 ° C | 19.6 ° C | % 62 | 5% | 6 | Sunrise:05:58 AM Sunset: 08:17 PM |
Moonrise:02:42 PM Moonset: 10:28 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
13 ° C | 20.8 ° C | 17.1 ° C | % 57 | 4% | 6 | Sunrise:05:59 AM Sunset: 08:15 PM |
Moonrise:03:56 PM Moonset: 11:02 PM Moon Phase ( First Quarter ) |
|
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