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Johnstown Weather Forecast

Temperature, wind, rain and more for Johnstown

Wicklow, Ireland

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 22
Aug
21:00

WNW
WNW

7 / 15 mph 45 / 41°F 95% 1016 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 2%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 23
Aug
00:00

WNW
WNW

6 / 13 mph 42 / 38°F 97% 1016 mb
Low level cloud: 12%
Mid level cloud: 11%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

6 / 14 mph 40 / 36°F 98% 1016 mb
Low level cloud: 27%
Mid level cloud: 8%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

7 / 15 mph 40 / 36°F 98% 1016 mb
Low level cloud: 37%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

9 / 10 mph 54 / 51°F 81% 1018 mb
Low level cloud: 30%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

8 / 9 mph 61 / 60°F 66% 1018 mb
Low level cloud: 6%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

7 / 9 mph 62 / 61°F 65% 1018 mb
Low level cloud: 3%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

5 / 6 mph 60 / 59°F 81% 1018 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

4 / 9 mph 47 / 46°F 93% 1020 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In

Other Locations Near to Johnstown

The 7 day weather forecast summary for Johnstown:

For Johnstown in the coming week the average daytime maximum temperature will be around 18°C, with a high for the week of 20°C expected on the afternoon of Tuesday 26th. The mean minimum temperature will be 9°C, dipping to its lowest on the morning of Sunday 24th at 4°C. The coming week will have some days seeing a little precipitation and some days with rain. It looks like Sunday 24th will have the most precipitation with an accumulation of around 16.0mm. 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