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Local Weather

Portsmouth Weather Forecast

Temperature, wind, rain and more for Portsmouth

Calderdale, United Kingdom

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 12
Jun
21:00

W
W

4 / 8 mph 49 / 47°F 92% 1027 mb
Low level cloud: 17%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sun 13
Jun
00:00

W
W

3 / 7 mph 47 / 46°F 92% 1028 mb
Low level cloud: 49%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

3 / 6 mph 46 / 45°F 94% 1027 mb
Low level cloud: 43%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WSW
WSW

4 / 5 mph 57 / 55°F 89% 1027 mb
Low level cloud: 52%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
53%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WSW
WSW

7 / 8 mph 64 / 63°F 84% 1027 mb
Low level cloud: 81%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

WSW
WSW

8 / 9 mph 68 / 67°F 79% 1026 mb
Low level cloud: 82%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

WSW
WSW

8 / 9 mph 73 / 76°F 72% 1024 mb
Low level cloud: 48%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

6 / 7 mph 73 / 70°F 79% 1023 mb
Low level cloud: 22%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WNW
WNW

2 / 5 mph 62 / 59°F 93% 1023 mb
Low level cloud: 40%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
The 7 day weather forecast summary for Portsmouth:

The outlook for Portsmouth in the week ahead shows the average daytime maximum temperature will be around 17°C, with a high for the week of 23°C expected on the afternoon of Sunday 13th. The average minimum temperature will be 9°C, dipping to its lowest on the morning of Tuesday 15th at 6°C. Expect the next week to have mostly dry days although Thursday 17th and Friday 18th are likely to see a significant amount of rain. Current predictions suggest Thursday 15th will have the most precipitation with an accumulation of around 12.0mm. On the whole winds are likely to be moderate.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image � it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure