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Weather in Portsmouth for April 2026

Your guide to Portsmouth weather in April - trends and predictions

    Temperatures

  • Until now, April 2026 in Portsmouth has been nearly identical to the historical average, with a temperature of 11.9 °C (showing only a slight deviation of 0.1 °C).

  • Expect cooler weather in the next days in Portsmouth with the forecast suggesting a temperature of 14.1 °C, lower than the historical average.

  • In general, the average temperature in Portsmouth at the beginning of April is 11.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 13.1 °C by the end of April.

    • Rain 🌧️

  • Portsmouth experiences heavy rainfall in April, with over 20 rainy days and an average total precipitation 57.7 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/7°
Temperatures
Average wind speed
28 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Portsmouth Weather April

Move between months or click on a day
March
May
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Heavy rain at times
11°
2
Overcast
11°
3
Partly cloudy
11°
4
Partly cloudy
12°
5
Patchy rain possible
12°
6
Moderate or heavy rain shower
12°
7
Patchy rain possible
12°
8
Cloudy
12°
9
Overcast
12°
10
Light drizzle
12°
11
Moderate or heavy rain shower
12°
12
Overcast
11°
13
Patchy rain possible
11°
14
Heavy rain at times
11°
15
Overcast
12°
16
Patchy rain possible
11°
17
Cloudy
12°
18
Overcast
11°
19
Patchy rain possible
13°
20
Patchy rain possible
12°
21
Patchy rain possible
11°
22
Overcast
11°
23
Moderate or heavy rain shower
13°
24
Patchy rain possible
12°
25
Overcast
11°
26
Patchy rain possible
12°
27
Heavy rain at times
14°
28
Patchy rain possible
13°
29
Sunny
15°
30
Sunny
15°

Temperatures trend during April in Portsmouth

See the weather trend as well as the moving average line

April weather in Portsmouth day by day

Click on a date for more information
March May
Date Weather Temperatures Rain UV More
1 Apr. Heavy rain at times
Heavy rain at times
 11° /6° 2.6 mm 3
2 Apr. Overcast
Overcast
 11° /6° 1.2 mm 3
3 Apr. Partly cloudy
Partly cloudy
 11° /7° 1.8 mm 3
4 Apr. Partly cloudy
Partly cloudy
 12° /7° 0.8 mm 3
5 Apr. Patchy rain possible
Patchy rain possible
 12° /7° 1.2 mm 3
6 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /7° 1.2 mm 3
7 Apr. Patchy rain possible
Patchy rain possible
 12° /6° 0.2 mm 3
8 Apr. Cloudy
Cloudy
 12° /7° 0.3 mm 3
9 Apr. Overcast
Overcast
 12° /6° 0.3 mm 3
10 Apr. Light drizzle
Light drizzle
 12° /6° 2.1 mm 3
11 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /7° 4.6 mm 3
12 Apr. Overcast
Overcast
 11° /8° 1.9 mm 3
13 Apr. Patchy rain possible
Patchy rain possible
 11° /7° 0.4 mm 3
14 Apr. Heavy rain at times
Heavy rain at times
 11° /6° 2.2 mm 3
15 Apr. Overcast
Overcast
 12° /7° 1 mm 3
16 Apr. Patchy rain possible
Patchy rain possible
 11° /7° 1.5 mm 3
17 Apr. Cloudy
Cloudy
 12° /7° 0.6 mm 3
18 Apr. Overcast
Overcast
 11° /6° 1.4 mm 3
19 Apr. Patchy rain possible
Patchy rain possible
 13° /7° 2.7 mm 3
20 Apr. Patchy rain possible
Patchy rain possible
 12° /6° 0.1 mm 3
21 Apr. Patchy rain possible
Patchy rain possible
 11° /5° 1.3 mm 3
22 Apr. Overcast
Overcast
 11° /5° 0.8 mm 3
23 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /7° 4.3 mm 3
24 Apr. Patchy rain possible
Patchy rain possible
 12° /5° 1 mm 3
25 Apr. Overcast
Overcast
 11° /6° 1.2 mm 4
26 Apr. Patchy rain possible
Patchy rain possible
 12° /7° 0.6 mm 3
27 Apr. Heavy rain at times
Heavy rain at times
 14° /8° 3 mm 4
28 Apr. Patchy rain possible
Patchy rain possible
 13° /8° 3.9 mm 3
29 Apr. Sunny
Sunny
 15° /9° 0 mm 4.7
30 Apr. Sunny
Sunny
 15° /10° 0 mm 5
Next
Important Notice
Our weather forecast for Portsmouth in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portsmouth forecast closer to your planned date for the most up-to-date weather information.
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Portsmouth in April - FAQ

What are the expected maximum and minimum temperatures in Portsmouth during April?

During April, expect a variety of temperatures with highs around 11° and lows near 7°, suitable for diverse activities and preferences.

How much rainfall should be expected in Portsmouth during April?

Moderate rainfall is anticipated in Portsmouth during April, with a total of 57.7 mm spread over approximately 21 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Portsmouth during April?

The average wind speed in Portsmouth during April is 28 km/h, suggesting breezy to windy conditions, depending on your activities.

April rainfall patterns in Portsmouth

Explore the daily rainfall trends and prepare for Portsmouths April weather 💧
Typically, Portsmouth has 21 rainy days in April with a total of 57.7 mm of rainfall.

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Get accurate weather forecasts for Portsmouth, located at latitude 50.799 and longitude -1.091. Stay updated with localized weather information tailored for Portsmouth.

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