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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 24
Mar		18:00

SSW
SSW

 15 / 19 mph 38 / 30°F 98% 991 mb
Low level cloud: 82%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 31 / 52 mph 27 / 10°F 94% 994 mb
Low level cloud: 90%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 25
Mar		00:00

WNW
WNW

 30 / 36 mph 26 / 9°F 81% 1003 mb
Low level cloud: 99%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 26 / 30 mph 23 / 7°F 81% 1008 mb
Low level cloud: 99%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 25 / 28 mph 23 / 7°F 78% 1011 mb
Low level cloud: 35%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 24 / 28 mph 25 / 10°F 76% 1016 mb
Low level cloud: 5%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 21 / 45 mph 21 / 6°F 74% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 17 / 36 mph 22 / 8°F 79% 1019 mb
Low level cloud: 8%
Mid level cloud: 86%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 18 / 37 mph 22 / 8°F 81% 1020 mb
Low level cloud: 81%
Mid level cloud: 66%
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

SSW
SSW

 20 / 43 mph 22 / 7°F 88% 1019 mb
Low level cloud: 79%
Mid level cloud: 49%
High level cloud: 0%
Most Significant Cloud Type: low
96%
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 1°C, with a high for the week of 12°C expected on the afternoon of Friday 27th. The mean minimum temperature will be -6°C, dipping to its lowest on the morning of Tuesday 31st at -10°C. The week ahead will have mostly dry days although Tuesday 24th and Friday 27th are likely to see a significant amount of rain, sleet or snow. Predictions are Tuesday 31st will have the most precipitation with an accumulation of around 52.0mm. On the whole winds are likely to be fresh. The forecast suggests the strongest wind will be on Friday morning, coming from a southerly direction, and reaching around 35mph.

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