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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
Sun 15
Mar		15:00

NNW
NNW

 26 / 43 mph 27 / 12°F 80% 1015 mb
Low level cloud: 75%
Mid level cloud: 51%
High level cloud: 8%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 22 / 36 mph 26 / 11°F 73% 1022 mb
Low level cloud: 92%
Mid level cloud: 46%
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

NW
NW

 18 / 25 mph 24 / 11°F 71% 1026 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 16
Mar		00:00

NW
NW

 17 / 23 mph 23 / 9°F 76% 1030 mb
Low level cloud: 28%
Mid level cloud: 4%
High level cloud: 33%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 17 / 23 mph 22 / 8°F 77% 1032 mb
Low level cloud: 30%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 16 / 22 mph 21 / 8°F 76% 1035 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 14 / 19 mph 23 / 11°F 72% 1036 mb
Low level cloud: 10%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 13 / 17 mph 26 / 14°F 68% 1038 mb
Low level cloud: 46%
Mid level cloud: 17%
High level cloud: 14%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 10 / 19 mph 24 / 14°F 63% 1038 mb
Low level cloud: 34%
Mid level cloud: 26%
High level cloud: 8%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 7 / 14 mph 24 / 16°F 70% 1038 mb
Low level cloud: 3%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 7 / 15 mph 24 / 15°F 80% 1038 mb
Low level cloud: 3%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for St. John's:

Reviewing the forecast for St. John's Over the next 7 days and 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 mean minimum temperature will be -5°C, dipping to its lowest on the morning of Sunday 15th at -7°C. The week will have mostly dry days although Sunday 15th and Wednesday 18th are likely to see a significant amount of rain or snow. It looks like Sunday 15th will have the most precipitation with an accumulation of around 19.0mm. On the whole winds are likely to be fresh. The strongest wind will be felt on Wednesday morning, coming from a south westerly direction, and reaching around 29mph. The forecast suggests the maximum gusts will be on Sunday morning.

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