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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
Sat 14
Mar		09:00

W
W

 15 / 27 mph 24 / 11°F 57% 1025 mb
Low level cloud: 0%
Mid level cloud: 69%
High level cloud: 100%
Most Significant Cloud Type: medium
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 10 / 11 mph 34 / 26°F 53% 1025 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 39%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

 5 / 6 mph 38 / 33°F 56% 1023 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 33%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

 14 / 16 mph 32 / 22°F 75% 1021 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 19 / 34 mph 25 / 11°F 91% 1016 mb
Low level cloud: 88%
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
Sun 15
Mar		00:00

E
E

 23 / 37 mph 28 / 13°F 97% 1007 mb
Low level cloud: 77%
Mid level cloud: 73%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.4 In of precipitation over the past 3 hours.
0.4 In
03:00

E
E

 22 / 35 mph 29 / 15°F 97% 996 mb
Low level cloud: 87%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
06:00

NNW
NNW

 8 / 13 mph 30 / 23°F 96% 994 mb
Low level cloud: 86%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
97%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

N
N

 26 / 40 mph 28 / 13°F 95% 1000 mb
Low level cloud: 79%
Mid level cloud: 65%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

NNW
NNW

 31 / 47 mph 28 / 12°F 94% 1008 mb
Low level cloud: 76%
Mid level cloud: 50%
High level cloud: 5%
Most Significant Cloud Type: low
94%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

NNW
NNW

 27 / 41 mph 28 / 13°F 79% 1015 mb
Low level cloud: 83%
Mid level cloud: 21%
High level cloud: 17%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 22 / 35 mph 26 / 11°F 73% 1022 mb
Low level cloud: 79%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 17 / 27 mph 23 / 9°F 72% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for St. John's:

For St. John's in the coming week the average daytime maximum temperature will be around 3°C, with a high for the week of 14°C expected on the evening of Tuesday 17th. The average minimum temperature will be -5°C, dipping to its lowest on the morning of Friday 20th at -6°C. Expect the week ahead to have mixed overhead conditions with some days dry and some seeing a significant amount of rain or snow. Predictions are Sunday 20th will have the most precipitation with an accumulation of around 23.0mm. 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