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Weather in Portsmouth for March 2026

Your guide to Portsmouth weather in March - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Portsmouth during March is quite rare, with fewer than 2 snowy days on average.
    According to Portsmouth snow forecast for March 2026, no snow is expected until the end of the month.

    • Temperatures

  • So far, March 2026 in Portsmouth is slightly warmer than the historical average by 1 °C.

  • The forecast for the next days in Portsmouth predicts temperatures to be around 10 °C, close to the historical average.

  • In general, the average temperature in Portsmouth at the beginning of March is 9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 9.7 °C by the end of March.

    • Rain 🌧️

  • Portsmouth experiences heavy rainfall in March, with over 20 rainy days and an average total precipitation 98.8 mm.

    • More

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

Average dry days
7
Dry days
Average rainy days
23
Rainy days
Average snowy days
1
Snow days
Average temperatures
9°/6°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Portsmouth Weather March

Move between months or click on a day
February
April
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
8°
2
Sunny
9°
3
Sunny
9°
4
Partly cloudy
9°
5
Sunny
9°
6
Patchy rain possible
10°
7
Heavy snow
9°
8
Overcast
10°
9
Light rain shower
10°
10
Overcast
10°
11
Patchy rain possible
8°
12
Light rain shower
9°
13
Light rain shower
10°
14
Light sleet
9°
15
Patchy rain possible
10°
16
Patchy rain possible
10°
17
Sunny
11°
18
Sunny
12°
19
Sunny
13°
20
Partly cloudy
10°
21
Patchy rain possible
8°
22
Patchy rain possible
11°
23
Sunny
12°
24
Sunny
12°
25
Overcast
9°
26
Patchy rain possible
7°
27
Partly cloudy
8°
28
Patchy rain possible
10°
29
Light rain shower
11°
30
Moderate or heavy rain with thunder
12°
31
Light rain shower
11°

Temperatures trend during March in Portsmouth

See the weather trend as well as the moving average line

March weather in Portsmouth day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
1 Mar. Patchy rain possible
Patchy rain possible
 8° /5° 3.1 mm 0 cm
2 Mar. Sunny
Sunny
 9° /4° 0.5 mm 0 cm
3 Mar. Sunny
Sunny
 9° /3° 0 mm 0 cm
4 Mar. Partly cloudy
Partly cloudy
 9° /4° 1.3 mm 0 cm
5 Mar. Sunny
Sunny
 9° /5° 0 mm 0 cm
6 Mar. Patchy rain possible
Patchy rain possible
 10° /5° 1.5 mm 0 cm
7 Mar. Heavy snow
Heavy snow
 9° /5° 1.8 mm 0.1 cm
8 Mar. Overcast
Overcast
 10° /5° 7.5 mm 0 cm
9 Mar. Light rain shower
Light rain shower
 10° /7° 3.4 mm 0 cm
10 Mar. Overcast
Overcast
 10° /5° 3.3 mm 0.2 cm
11 Mar. Patchy rain possible
Patchy rain possible
 8° /4° 1.3 mm 0 cm
12 Mar. Light rain shower
Light rain shower
 9° /5° 3.4 mm 0 cm
13 Mar. Light rain shower
Light rain shower
 10° /5° 4 mm 0 cm
14 Mar. Light sleet
Light sleet
 9° /3° 1.4 mm 0 cm
15 Mar. Patchy rain possible
Patchy rain possible
 10° /4° 0.7 mm 0 cm
16 Mar. Patchy rain possible
Patchy rain possible
 10° /5° 0.2 mm 0 cm
17 Mar. Sunny
Sunny
 11° /8° 0 mm 0 cm
18 Mar. Sunny
Sunny
 12° /7° 0 mm 0 cm
19 Mar. Sunny
Sunny
 13° /6° 0 mm 0 cm
20 Mar. Partly cloudy
Partly cloudy
 10° /5° 0 mm 0 cm
21 Mar. Patchy rain possible
Patchy rain possible
 8° /5° 1.5 mm 0 cm
22 Mar. Patchy rain possible
Patchy rain possible
 11° /9° 1.1 mm 0 cm
23 Mar. Sunny
Sunny
 12° /8° 0 mm 0 cm
24 Mar. Sunny
Sunny
 12° /5° 0 mm 0 cm
25 Mar. Overcast
Overcast
 9° /5° 0 mm 0 cm
26 Mar. Patchy rain possible
Patchy rain possible
 7° /3° 0.2 mm 0 cm
27 Mar. Partly cloudy
Partly cloudy
 8° /1° 0 mm 0 cm
28 Mar. Patchy rain possible
Patchy rain possible
 10° /3° 0 mm 0 cm
29 Mar. Light rain shower
Light rain shower
 11° /6° 3.2 mm 0 cm
30 Mar. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 12° /7° 1.6 mm 0 cm
31 Mar. Light rain shower
Light rain shower
 11° /7° 11.7 mm 0 cm
Next
Important Notice
Our weather forecast for Portsmouth in March 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 March - FAQ

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

During March, expect a variety of temperatures with highs around 9° and lows near 6°, suitable for diverse activities and preferences.

How much rainfall should be expected in Portsmouth during March?

Moderate rainfall is anticipated in Portsmouth during March, with a total of 98.8 mm spread over approximately 23 days. Considering plans for rainy days is advisable.

Will it snow in Portsmouth in March 2026?

Portsmouth typically sees 0.306667 cm of snowfall during March.

What are the typical wind conditions in Portsmouth during March?

The average wind speed in Portsmouth during March is 30 km/h, suggesting breezy to windy conditions, depending on your activities.

Portsmouth snow forecast March 2026

Track daily snowfall levels and discover Portsmouth’s snowy potential this March ❄️
On average, Portsmouth sees 1 snowy days during March, with approximately 0.3 cm of total snowfall.

March rainfall patterns in Portsmouth

Explore the daily rainfall trends and prepare for Portsmouths March weather 💧
Typically, Portsmouth has 23 rainy days in March with a total of 98.8 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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