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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
Fri 27
Mar		00:00

S
S

 36 / 69 mph 31 / 15°F 96% 1014 mb
Low level cloud: 96%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
03:00

SSW
SSW

 30 / 35 mph 44 / 33°F 94% 1010 mb
Low level cloud: 95%
Mid level cloud: 63%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
06:00

SSW
SSW

 27 / 37 mph 42 / 32°F 97% 1005 mb
Low level cloud: 93%
Mid level cloud: 95%
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

SSW
SSW

 32 / 43 mph 47 / 37°F 96% 1001 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
12:00

SSW
SSW

 35 / 66 mph 44 / 33°F 95% 996 mb
Low level cloud: 97%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.4 In of precipitation over the past 3 hours.
0.4 In
15:00

WSW
WSW

 20 / 38 mph 41 / 31°F 96% 993 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 71%
Most Significant Cloud Type: low
100%
Expect 0.4 In of precipitation over the past 3 hours.
0.4 In
18:00

WSW
WSW

 23 / 36 mph 34 / 22°F 91% 997 mb
Low level cloud: 84%
Mid level cloud: 22%
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

W
W

 25 / 38 mph 28 / 13°F 74% 1003 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 82%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 28
Mar		18:00

NW
NW

 8 / 11 mph 21 / 12°F 60% 1023 mb
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 99%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 4 / 6 mph 21 / 15°F 62% 1023 mb
Low level cloud: 34%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: low
45%
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 1°C, with a high for the week of 8°C expected on the evening of Wednesday 1st. The mean minimum temperature will be -7°C, dipping to its lowest on the morning of Monday 30th at -9°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. It looks like Wednesday 30th will have the most precipitation with an accumulation of around 18.0mm. On the whole winds are likely to be fresh. The forecast suggests the strongest wind will be on Tuesday morning, coming from a south westerly direction, and reaching around 29mph. However, the forecast suggests maximum gusts on Wednesday afternoon.

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