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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 28
Feb		06:00

W
W

 17 / 22 mph 23 / 9°F 78% 1020 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 19 / 24 mph 23 / 9°F 76% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 19 / 24 mph 26 / 12°F 71% 1025 mb
Low level cloud: 2%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 17 / 32 mph 23 / 10°F 70% 1028 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 7 / 11 mph 26 / 18°F 76% 1029 mb
Low level cloud: 3%
Mid level cloud: 1%
High level cloud: 3%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 7 / 13 mph 23 / 14°F 86% 1031 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 7%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 01
Mar		00:00

SSW
SSW

 11 / 23 mph 19 / 7°F 86% 1030 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 12 / 24 mph 23 / 11°F 85% 1027 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 99%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 17 / 20 mph 34 / 23°F 84% 1025 mb
Low level cloud: 3%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 16 / 18 mph 37 / 28°F 89% 1023 mb
Low level cloud: 25%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 15 / 17 mph 39 / 31°F 95% 1019 mb
Low level cloud: 66%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

 13 / 15 mph 40 / 32°F 98% 1013 mb
Low level cloud: 93%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

 5 / 6 mph 40 / 36°F 99% 1010 mb
Low level cloud: 99%
Mid level cloud: 76%
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

ENE
ENE

 3 / 3 mph 43 / 42°F 99% 1008 mb
Low level cloud: 96%
Mid level cloud: 48%
High level cloud: 0%
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:

Taking a look at St. John's over the coming week and the average daytime maximum temperature will be around 0°C, with a high for the week of 6°C expected on the evening of Sunday 1st. The mean minimum temperature will be -10°C, dipping to its lowest on the morning of Saturday 7th at -15°C. Expect the next week to have mixed overhead conditions with some days dry and some seeing a significant amount of rain or snow. The indicators are that Wednesday 7th 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 Friday morning, coming from a north westerly direction, and reaching around 26mph. The forecast suggests the maximum gusts will be on Tuesday evening.

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