Portsmouth, United Kingdom 14-Day Weather Forecast
35°
Clear right now
Today: high 45°, low 33°
Updated just now
Portsmouth weather for the next 14 days
Saturday, November 14
Partly Cloudy High 50° Low 35°Precipitation
16%
· 0.0 in
Max wind
11 mph
Humidity
80%
UV index
1 - Low
Sunrise / sunset
07:18 AM / 04:19 PM
Sunday, November 15
Patchy rain nearby High 53° Low 45°Precipitation
86%
· 0.41 in
Max wind
22 mph
Humidity
84%
UV index
4 - Moderate
Sunrise / sunset
07:20 AM / 04:17 PM
Monday, November 16
Patchy rain nearby High 46° Low 39°Precipitation
27%
· 0.01 in
Max wind
13 mph
Humidity
75%
UV index
3 - Moderate
Sunrise / sunset
07:21 AM / 04:16 PM
Tuesday, November 17
Light drizzle High 44° Low 40°Precipitation
91%
· 0.57 in
Max wind
17 mph
Humidity
90%
UV index
2 - Low
Sunrise / sunset
07:23 AM / 04:15 PM
Wednesday, November 18
Partly Cloudy High 42° Low 36°Precipitation
43%
· 0.01 in
Max wind
11 mph
Humidity
87%
UV index
3 - Moderate
Sunrise / sunset
07:25 AM / 04:14 PM
Thursday, November 19
Partly Cloudy High 42° Low 34°Precipitation
64%
· 0.04 in
Max wind
7 mph
Humidity
89%
UV index
3 - Moderate
Sunrise / sunset
07:26 AM / 04:12 PM
Friday, November 20
Patchy rain nearby High 48° Low 38°Precipitation
77%
· 0.1 in
Max wind
8 mph
Humidity
90%
UV index
2 - Low
Sunrise / sunset
07:28 AM / 04:11 PM
Saturday, November 21
Patchy rain nearby High 52° Low 43°Precipitation
58%
· 0.02 in
Max wind
11 mph
Humidity
92%
UV index
3 - Moderate
Sunrise / sunset
07:29 AM / 04:10 PM
Sunday, November 22
Patchy rain nearby High 52° Low 49°Precipitation
89%
· 0.3 in
Max wind
14 mph
Humidity
89%
UV index
3 - Moderate
Sunrise / sunset
07:31 AM / 04:09 PM
Monday, November 23
Patchy light drizzle High 48° Low 41°Precipitation
86%
· 0.44 in
Max wind
7 mph
Humidity
85%
UV index
2 - Low
Sunrise / sunset
07:33 AM / 04:08 PM
Tuesday, November 24
Patchy light rain High 42° Low 38°Precipitation
90%
· 0.68 in
Max wind
10 mph
Humidity
94%
UV index
2 - Low
Sunrise / sunset
07:34 AM / 04:07 PM
Wednesday, November 25
Mist High 41° Low 35°Precipitation
27%
· 0.0 in
Max wind
7 mph
Humidity
94%
UV index
2 - Low
Sunrise / sunset
07:36 AM / 04:06 PM
Thursday, November 26
Overcast High 44° Low 37°Precipitation
87%
· 0.16 in
Max wind
11 mph
Humidity
91%
UV index
2 - Low
Sunrise / sunset
07:37 AM / 04:05 PM
Portsmouth 14-day outlook: the story
The warmest day of Portsmouth's 14-day outlook is Sunday, November 15 with a high near 53°F (12°C); the coolest night comes Friday, November 13, dipping to 33°F (0°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 46°F (8°C), about 7°F (4°C) below the typical November high of 53°F (12°C).
Precipitation is most likely on Sunday 15, Tuesday 17, Thursday 19, Friday 20 and beyond; the wettest day looks like Tuesday, November 24 with about 0.68 in (17.3 mm) expected. For the weekend, expect Saturday 50°F (10°C) and partly cloudy / Sunday 53°F (12°C) and patchy rain nearby.
For typical conditions month by month, see the Portsmouth climate & average temperatures guide.
Portsmouth forecast questions
Will it rain in Portsmouth this week?
The forecast currently shows meaningful precipitation chances on 9 of the next 14 days, peaking around Tuesday, November 24.
What will be the warmest day in Portsmouth over the next 14 days?
Sunday, November 15, with a forecast high near 53°F (12°C).
How accurate is a 14-day forecast for Portsmouth?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Portsmouth by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 47° | 38° | 13 | 3.1 in | 4.5 h/day | 8.4 h | 41% | 85% |
| February | 48° | 39° | 12 | 2.8 in | 5.3 h/day | 9.9 h | 43% | 83% |
| March | 51° | 41° | 13 | 2.8 in | 7.0 h/day | 11.7 h | 43% | 81% |
| April | 55° | 43° | 9 | 1.7 in | 10.1 h/day | 13.7 h | 30% | 76% |
| May | 61° | 49° | 11 | 2.2 in | 11.4 h/day | 15.5 h | 35% | 76% |
| June | 67° | 54° | 10 | 2.2 in | 12.1 h/day | 16.5 h | 35% | 76% |
| July | 70° | 58° | 11 | 2.3 in | 12.0 h/day | 16.1 h | 35% | 75% |
| August | 70° | 58° | 11 | 2.8 in | 10.5 h/day | 14.5 h | 36% | 78% |
| September | 66° | 55° | 11 | 2.8 in | 8.9 h/day | 12.5 h | 38% | 79% |
| October | 60° | 51° | 14 | 3.9 in | 6.6 h/day | 10.6 h | 44% | 82% |
| November | 53° | 45° | 13 | 3.4 in | 4.8 h/day | 8.8 h | 42% | 84% |
| December | 50° | 42° | 13 | 3.6 in | 3.7 h/day | 8.0 h | 42% | 86% |
14-day forecasts nearby