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St. John's Weather Forecast

Temperature, wind, rain and more for St. John's

Newfoundland, Canada

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 15
Feb		09:00

WSW
WSW

 6 / 11 mph 27 / 20°F 94% 1017 mb
Low level cloud: 73%
Mid level cloud: 100%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 6 / 8 mph 31 / 25°F 88% 1018 mb
Low level cloud: 79%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 3 / 4 mph 33 / 29°F 79% 1017 mb
Low level cloud: 77%
Mid level cloud: 20%
High level cloud: 31%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

 3 / 4 mph 31 / 28°F 81% 1017 mb
Low level cloud: 89%
Mid level cloud: 12%
High level cloud: 6%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

 6 / 9 mph 29 / 22°F 86% 1018 mb
Low level cloud: 25%
Mid level cloud: 12%
High level cloud: 21%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 16
Feb		00:00

SE
SE

 4 / 8 mph 25 / 20°F 88% 1017 mb
Low level cloud: 15%
Mid level cloud: 26%
High level cloud: 98%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 7 / 13 mph 25 / 17°F 86% 1016 mb
Low level cloud: 2%
Mid level cloud: 22%
High level cloud: 14%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 12 / 19 mph 27 / 17°F 90% 1016 mb
Low level cloud: 99%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 13 / 22 mph 28 / 17°F 87% 1017 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

 13 / 22 mph 28 / 17°F 92% 1017 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 14 / 23 mph 29 / 18°F 89% 1018 mb
Low level cloud: 71%
Mid level cloud: 46%
High level cloud: 42%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 12 / 20 mph 28 / 18°F 89% 1020 mb
Low level cloud: 28%
Mid level cloud: 19%
High level cloud: 33%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

 9 / 16 mph 27 / 18°F 89% 1021 mb
Low level cloud: 10%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: medium
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for St. John's:

Taking a look at St. John's over the coming week and the average daytime maximum temperature will be around 0°C, with a high for the week of 3°C expected on the afternoon of Tuesday 17th. The average minimum temperature will be -4°C, dipping to its lowest on the morning of Saturday 21st at -5°C. Expect the next week to have mixed overhead conditions with some days dry and some seeing a significant amount of snow. The indicators are that Wednesday 21st will have the most precipitation with an accumulation of around 34.0mm. On the whole winds are likely to be fresh. The strongest wind will be experienced on Wednesday morning, coming from a northerly direction, and reaching around 35mph.

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