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Weather on Tuesday in Portsmouth

Tue 15 Sep
21° 15°
Sunny
Chance of rain: 14% · Rain: – · Wind: 21 mph · UV: 4
Full 14-day forecast →
Portsmouth · Hampshire · Tuesday 15 September
19°
Cloudy
Feels like 18°  ·  Min 15° / Max 21°
– 10 mph SW 92% DAQI 1 · Low 1020 mb
Min
15°
Max
21°
Rain
14%
Sunrise
06:39
Sunset
19:19
Day length
12h 40m
UV index
4
Wind10 mph SW
Gusts17 mph
Pressure1020 mb
Humidity92%
Dew point17°
Visibility6 mi
Now
19°
31%
10 mph
02:00
19°
31%
10 mph
03:00
18°
23%
10 mph
04:00
18°
30%
10 mph
05:00
18°
14%
11 mph
06:00
18°
30%
12 mph
07:00
18°
29%
13 mph
08:00
19°
26%
13 mph
09:00
19°
23%
15 mph
10:00
19°
21%
17 mph
11:00
20°
24%
17 mph
12:00
19°
24%
15 mph
13:00
19°
14%
16 mph
14:00
20°
4%
12 mph
15:00
21°
3%
16 mph
16:00
21°
2%
21 mph
17:00
20°
2%
21 mph
18:00
19°
3%
21 mph
19:00
18°
4%
21 mph
20:00
16°
5%
19 mph
21:00
16°
6%
17 mph
22:00
15°
8%
17 mph
23:00
15°
9%
16 mph
00:00
15°
9%
16 mph

48-hour forecast

Portsmouth · temperature + rainfall

14-day forecast

Updated 01:07

Conditions & indices

Wind
10 mph SW
Gusts 17 mph
Humidity
92%
Dew point 17°
Pressure
1020 mb
Rising
UV index
4 — Moderate
Max today
Air quality
Low
DAQI 1 / 10
Pollen
Low levels
Mugwort
Visibility
6 mi
Good visibility

🗺️ Portsmouth and what is nearby

Forecast day by day — press play
Nearby: Chichester21°22 km Southampton22°24 km New Milton22°41 km Basingstoke22°49 km Worthing20°50 km Aldershot25°53 km Bournemouth22°57 km Guildford23°59 km
Markers show the daytime high for the selected day. Tap a marker for Portsmouth detail; two fingers to move and zoom the map.
Pollen — Portsmouth

🌿 Pollen count right now

See all →
Grass
None
Birch
None
Alder
None
Mugwort
Moderate
Olive
None
Ragweed
None

Sun & moon

Sunrise06:39
Sunset19:19
Day length12h 40m
Moonrise12:20
Moonset20:29
Moon phase🌔 Waxing Crescent
Latitude50.8198°N
Longitude-1.0880°E

Sea temperatures nearby

See all →
West Wittering (14km)19°
Bognor Regis (29km)19°
Bournemouth Beach (56km)18°
Sandbanks, Poole (61km)18°
Studland Bay (64km)17°
Swanage (65km)17°
🌤️Dry over the next 90 minutes
Now+30+60+90 min
Rain minute by minute · UKV nowcast

Today’s index

derived from today’s forecast
Drying weather
OK
Hang the washing out
BBQ weather
Good
Barbecue outdoors
Running weather
OK
Go for a run
Beer garden
Good
Drinks outside
Other places in the same county / region
Southampton
Fog
16°

Compare forecasts

WeatherRadar · Met Office model · Yr — high / low per day
Day WeatherRadarYr Spread
Wed 16 Sep 18° 13° 20° 13° 1.1°
Thu 17 Sep 20° 14° 17° 14° 2.6°
Fri 18 Sep 17° 12° 18° 13° 0.5°
Sat 19 Sep 19° 16° 18° 18° 0.8°
Sun 20 Sep 21° 17° 19° 13° 1.8°
A small spread = the sources agree (high confidence). A large spread = more uncertainty. Yr = MET Norway, Met Office model = UKV via Open-Meteo, WeatherRadar = our own blend.
Sources · Tuesday 15 September
Weather data for Portsmouth from official sources
The forecast is compiled from global weather models (14-day forecast, UV, air quality, pollen and warnings) together with the UK Met Office UKV model. Data updates every hour, warnings every 15 minutes. Lat 50.8198°N, lon -1.0880°E.
UKV + global weather models
Updated: 01:07
Forecasts from the UK Met Office UKV model, global weather models and official UK environmental data · Met Office UKV model · Environment Agency · Copernicus CAMS · NOAA
Updated: 01:07