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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 21
Feb		03:00

W
W

 20 / 33 mph 18 / 1°F 74% 1007 mb
Low level cloud: 30%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 16 / 26 mph 15 / 0°F 77% 1008 mb
Low level cloud: 50%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 10 / 17 mph 16 / 3°F 77% 1007 mb
Low level cloud: 19%
Mid level cloud: 95%
High level cloud: 91%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 4 / 5 mph 20 / 15°F 74% 1005 mb
Low level cloud: 13%
Mid level cloud: 29%
High level cloud: 100%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 8 / 11 mph 21 / 12°F 80% 1002 mb
Low level cloud: 37%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

 15 / 22 mph 23 / 10°F 91% 999 mb
Low level cloud: 84%
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
21:00

NE
NE

 24 / 33 mph 24 / 8°F 92% 995 mb
Low level cloud: 85%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 22
Feb		00:00

NE
NE

 27 / 38 mph 25 / 9°F 84% 993 mb
Low level cloud: 68%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

NNE
NNE

 28 / 40 mph 26 / 9°F 80% 991 mb
Low level cloud: 51%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 29 / 54 mph 27 / 11°F 95% 990 mb
Low level cloud: 85%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
09:00

NNE
NNE

 34 / 69 mph 29 / 12°F 98% 991 mb
Low level cloud: 93%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
12:00

N
N

 40 / 79 mph 29 / 11°F 97% 993 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
15:00

N
N

 39 / 74 mph 28 / 10°F 95% 997 mb
Low level cloud: 92%
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
18:00

N
N

 36 / 69 mph 28 / 11°F 86% 1002 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

N
N

 33 / 64 mph 28 / 11°F 82% 1007 mb
Low level cloud: 100%
Mid level cloud: 41%
High level cloud: 100%
Most Significant Cloud Type: low
100%
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 2°C, with a high for the week of 9°C expected on the morning of Saturday 28th. The mean minimum temperature will be -4°C, dipping to its lowest on the morning of Saturday 21st at -11°C. The week ahead will have mixed overhead conditions with some days dry and some seeing a significant amount of rain, sleet or snow. The current forecast indicates Sunday 21st will have the most precipitation with an accumulation of around 22.0mm. On the whole winds are likely to be strong. The strongest wind will be felt on Saturday afternoon, coming from a south westerly direction, and reaching around 42mph.

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