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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
Tue 10
Mar		06:00

SW
SW

 22 / 43 mph 39 / 28°F 68% 1014 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 25 / 36 mph 44 / 35°F 66% 1012 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 3%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 25 / 32 mph 51 / 43°F 70% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 19 / 26 mph 48 / 41°F 78% 1010 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 19%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 11 / 16 mph 43 / 37°F 83% 1012 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 9 / 17 mph 37 / 30°F 87% 1015 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 11
Mar		00:00

W
W

 9 / 16 mph 36 / 29°F 85% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 3%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 7 / 12 mph 35 / 29°F 85% 1016 mb
Low level cloud: 0%
Mid level cloud: 92%
High level cloud: 4%
Most Significant Cloud Type: medium
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 8 / 14 mph 31 / 23°F 92% 1018 mb
Low level cloud: 30%
Mid level cloud: 45%
High level cloud: 88%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

 12 / 19 mph 30 / 20°F 82% 1021 mb
Low level cloud: 22%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 12 / 17 mph 30 / 20°F 76% 1023 mb
Low level cloud: 80%
Mid level cloud: 1%
High level cloud: 10%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 11 / 17 mph 27 / 17°F 75% 1025 mb
Low level cloud: 99%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

 9 / 14 mph 25 / 16°F 73% 1026 mb
Low level cloud: 71%
Mid level cloud: 29%
High level cloud: 9%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 7 / 11 mph 24 / 17°F 73% 1027 mb
Low level cloud: 38%
Mid level cloud: 85%
High level cloud: 22%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for St. John's:

The next 7 day outlook for St. John's shows the average daytime maximum temperature will be around 7°C, with a high for the week of 13°C expected on the evening of Tuesday 17th. The mean minimum temperature will be -3°C, dipping to its lowest on the morning of Thursday 12th at -6°C. Expect the next week to have mixed overhead conditions with some days dry and some seeing a significant amount of rain, sleet or snow. Predictions are Sunday 12th will have the most precipitation with an accumulation of around 17.0mm. On the whole winds are likely to be strong.

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