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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
Thu 19
Mar		03:00

NW
NW

 14 / 24 mph 21 / 8°F 62% 1031 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 81%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 11 / 16 mph 20 / 8°F 60% 1033 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 70%
Most Significant Cloud Type: high
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 7 / 9 mph 23 / 14°F 59% 1034 mb
Low level cloud: 23%
Mid level cloud: 30%
High level cloud: 73%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 6 / 7 mph 26 / 20°F 58% 1034 mb
Low level cloud: 44%
Mid level cloud: 52%
High level cloud: 100%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

 9 / 10 mph 28 / 19°F 62% 1032 mb
Low level cloud: 70%
Mid level cloud: 12%
High level cloud: 100%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

 11 / 13 mph 26 / 16°F 67% 1031 mb
Low level cloud: 85%
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
21:00

E
E

 13 / 21 mph 24 / 12°F 69% 1030 mb
Low level cloud: 70%
Mid level cloud: 61%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 20
Mar		00:00

ENE
ENE

 14 / 18 mph 26 / 15°F 81% 1027 mb
Low level cloud: 99%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 17 / 27 mph 24 / 11°F 91% 1022 mb
Low level cloud: 82%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 17 / 33 mph 23 / 9°F 95% 1018 mb
Low level cloud: 69%
Mid level cloud: 54%
High level cloud: 100%
Most Significant Cloud Type: low
99%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

NE
NE

 14 / 23 mph 27 / 15°F 95% 1016 mb
Low level cloud: 76%
Mid level cloud: 86%
High level cloud: 84%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

NNE
NNE

 15 / 17 mph 31 / 20°F 92% 1014 mb
Low level cloud: 87%
Mid level cloud: 77%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

N
N

 15 / 17 mph 33 / 22°F 90% 1013 mb
Low level cloud: 95%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 13 / 15 mph 31 / 21°F 84% 1015 mb
Low level cloud: 100%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 6 / 8 mph 29 / 22°F 82% 1017 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for St. John's:

Reviewing the forecast for St. John's Over the next 7 days and the average daytime maximum temperature will be around 1°C, with a high for the week of 7°C expected on the morning of Tuesday 24th. The average minimum temperature will be -5°C, dipping to its lowest on the morning of Thursday 19th at -7°C. The week will have mixed overhead conditions with some days dry and some seeing a significant amount of rain, sleet or snow. It looks like Tuesday 19th will have the most precipitation with an accumulation of around 37.0mm. On the whole winds are likely to be fresh. The forecast suggests the strongest wind will be on Tuesday morning, coming from a southerly direction, and reaching around 38mph.

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