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Current conditions

30.3° / 26.9° Light drizzle
Feels like
35.5° / 30.5°
Humidity
—
Wind
19.1 km/h (gusts 46.8)
UV index
8.5
Sunrise / sunset
05:55 / 17:52
Daylight
11.9 hrs
Last updated 10 hours ago

7-day forecast

7-day forecast
Date Weather High Low Feels like Precip Rain Wind UV
Sun 4 Oct Light drizzle 30.3° 26.9° 35.5° / 30.5° 0.7 mm 29% 19.1 km/h 8.5
Mon 5 Oct Thunderstorm 29.3° 25.8° 35.0° / 30.1° 6.4 mm 70% 21.7 km/h 8.6
Tue 6 Oct Moderate drizzle 30.9° 24.8° 38.5° / 30.3° 2.0 mm 95% 14.9 km/h 7.2
Wed 7 Oct Light drizzle 29.2° 24.3° 33.6° / 29.3° 3.3 mm 80% 18.0 km/h 8.0
Thu 8 Oct Light drizzle 30.0° 25.0° 34.8° / 29.1° 2.4 mm 65% 20.8 km/h 8.0
Fri 9 Oct Light drizzle 29.3° 24.6° 34.2° / 28.3° 5.7 mm 44% 20.1 km/h 8.6
Sat 10 Oct Light drizzle 29.1° 24.1° 34.7° / 28.4° 3.3 mm 71% 14.4 km/h 8.4

Air quality

46
Good

US Air Quality Index

European AQI: 30

PM2.5
9.8 µg/m³
PM10
16.7 µg/m³
Ozone (O₃)
46.0 µg/m³
NOâ‚‚
0.1 µg/m³
SOâ‚‚
0.2 µg/m³
CO
93.0 µg/m³
UV index
0.0
Dust
0.0 µg/m³
Measured 10 hours ago. Source: Open-Meteo.

Climate through the year

Now: October
0° 10° 20° 30° 40° Jan: 99 mm Feb: 125 mm Mar: 103 mm Apr: 75 mm May: 73 mm Jun: 112 mm Jul: 155 mm Aug: 122 mm Sep: 88 mm Oct: 115 mm Nov: 105 mm Dec: 112 mm Jan: 27°C / 24°C Feb: 27°C / 23°C Mar: 28°C / 23°C Apr: 28°C / 24°C May: 30°C / 25°C Jun: 30°C / 25°C Jul: 29°C / 25°C Aug: 30°C / 26°C Sep: 31°C / 26°C Oct: 30°C / 26°C Nov: 29°C / 25°C Dec: 28°C / 24°C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Average high and low, °C Rainfall, mm

Temperature by month

Precipitation and rain days

Sunshine, UV and humidity

Best months to visit

Best months to visit
Month Rating Avg high Avg low Rain days Sun (hrs) Humidity
February Good · 63 27.0°C 23.0°C 21.7 308.0 78.6%
January Good · 62 27.1°C 23.5°C 19.4 331.7 78.1%
March Good · 60 27.5°C 23.3°C 18.6 356.5 77.7%
December Good · 60 27.6°C 23.8°C 21.7 325.5 79.2%
April Good · 56 28.4°C 24.0°C 17.4 348.0 77.1%
November Fair · 53 29.2°C 24.8°C 22.4 318.0 79.5%
May Fair · 51 29.6°C 25.2°C 16.5 356.5 77.4%
June Fair · 51 29.6°C 25.4°C 21.0 336.0 78.7%
July Fair · 50 29.2°C 25.2°C 26.5 344.1 82.2%
October Fair · 48 30.2°C 25.7°C 18.4 325.5 79.6%
August Fair · 47 29.8°C 25.6°C 22.5 350.3 81.8%
September Fair · 46 30.8°C 25.8°C 20.2 336.0 79.5%
Ratings based on temperature comfort, rainfall, sunshine and humidity for remote workers.

Monthly climate data

Monthly climate data for Portsmouth
Month High Low Mean Feels high Feels low Precip Rain days Snow Sun Daylight UV Humidity Wind Clouds
Jan 27.1° 23.5° 25.1° 29.2° 25.2° 99.3 mm 19.4 0.0 cm 331.7 hrs 11.3 hrs — 78.1% 23.6 km/h 45.5%
Feb 27.0° 23.0° 24.8° 29.1° 24.5° 125.2 mm 21.7 0.0 cm 308.0 hrs 11.6 hrs — 78.6% 24.5 km/h 43.7%
Mar 27.5° 23.3° 25.2° 30.4° 25.0° 103.4 mm 18.6 0.0 cm 356.5 hrs 12.1 hrs — 77.7% 22.8 km/h 48.0%
Apr 28.4° 24.0° 26.0° 31.8° 26.3° 75.4 mm 17.4 0.0 cm 348.0 hrs 12.5 hrs — 77.1% 21.5 km/h 59.6%
May 29.6° 25.2° 27.1° 33.0° 27.9° 72.6 mm 16.5 0.0 cm 356.5 hrs 12.9 hrs — 77.4% 23.2 km/h 66.3%
Jun 29.6° 25.4° 27.3° 32.8° 28.1° 111.6 mm 21.0 0.0 cm 336.0 hrs 13.0 hrs — 78.7% 25.4 km/h 69.3%
Jul 29.2° 25.2° 27.1° 32.9° 28.1° 154.6 mm 26.5 0.0 cm 344.1 hrs 12.9 hrs — 82.2% 25.7 km/h 63.2%
Aug 29.8° 25.6° 27.5° 34.7° 29.3° 122.3 mm 22.5 0.0 cm 350.3 hrs 12.6 hrs — 81.8% 21.8 km/h 59.9%
Sep 30.8° 25.8° 28.0° 36.2° 30.0° 87.6 mm 20.2 0.0 cm 336.0 hrs 12.2 hrs — 79.5% 17.7 km/h 61.8%
Oct 30.2° 25.7° 27.7° 34.8° 29.4° 115.0 mm 18.4 0.0 cm 325.5 hrs 11.8 hrs — 79.6% 20.0 km/h 62.5%
Nov 29.2° 24.8° 26.8° 32.7° 27.9° 105.2 mm 22.4 0.0 cm 318.0 hrs 11.4 hrs — 79.5% 21.2 km/h 58.4%
Dec 27.6° 23.8° 25.6° 30.1° 26.1° 112.2 mm 21.7 0.0 cm 325.5 hrs 11.2 hrs — 79.2% 22.2 km/h 47.2%
Based on historical averages. Source: Open-Meteo.

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