Weather on a past date in Portsmouth

Any date from 1 January 2009 to yesterday.

Wed 14 Oct, 2026 Weather in Portsmouth

Sunrise: 07:25 AM
Sunset: 06:14 PM		Moonrise: 12:30 PM
Moonset: 07:35 PM		Max:
17.2 °c		Min:
12.1 °c		Avg:
15.0 °c		Precip:
0.30 mm		Max Wind:
25.2 kph
 
Wed 14
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IconClearOvercastOvercastOvercastPartly cloudyCloudyOvercastPatchy rain possible
Temp14.1°c12.2°c12.3°c14.4°c17.1°c17.2°c16.2°c16.2°c
Wind15.5 kmph10.8 kmph8.6 kmph12.2 kmph23.4 kmph23.5 kmph23.0 kmph22.0 kmph
Precip0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.20 mm
Cloud10%100%99%85%53%84%100%100%
Humidity80%82%80%75%70%72%71%72%
Pressure1029 mb1029 mb1028 mb1028 mb1028 mb1027 mb1025 mb1025 mb

Portsmouth Annual Weather Averages

MonthHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
January8°C / 46°F4°C / 40°F6°C / 43°F117 hours79.44 mm / 3.13 In9 days1015 mb / 30 In
February8°C / 47°F5°C / 41°F7°C / 44°F95 hours64.61 mm / 2.54 In7 days1015 mb / 30 In
March10°C / 50°F5°C / 42°F8°C / 46°F142 hours50.79 mm / 2.00 In6 days1016 mb / 30 In
April12°C / 54°F7°C / 44°F10°C / 49°F173 hours44.67 mm / 1.76 In6 days1016 mb / 30 In
May15°C / 60°F9°C / 49°F12°C / 54°F167 hours47.52 mm / 1.87 In6 days1017 mb / 31 In
June18°C / 65°F12°C / 54°F15°C / 60°F176 hours60.61 mm / 2.39 In6 days1017 mb / 30 In
July20°C / 69°F14°C / 58°F17°C / 63°F185 hours51.38 mm / 2.02 In5 days1016 mb / 30 In
August20°C / 68°F15°C / 59°F17°C / 63°F183 hours59.67 mm / 2.35 In7 days1016 mb / 30 In
September18°C / 65°F13°C / 56°F16°C / 61°F162 hours54.30 mm / 2.14 In5 days1017 mb / 31 In
October15°C / 60°F11°C / 52°F13°C / 56°F127 hours98.98 mm / 3.90 In8 days1014 mb / 30 In
November12°C / 53°F8°C / 47°F10°C / 50°F112 hours90.48 mm / 3.56 In8 days1012 mb / 30 In
December9°C / 49°F6°C / 43°F8°C / 46°F111 hours90.19 mm / 3.55 In9 days1015 mb / 30 In

Need more than one day of Portsmouth history?

Download historical weather for Portsmouth, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Weather history near Portsmouth

Region

Hampshire

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Portsmouth weather history: common questions

How far back does Portsmouth weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Portsmouth historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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