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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 07
Mar		06:00

W
W

 9 / 19 mph 12 / -1°F 81% 1033 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: high
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 11 / 19 mph 16 / 3°F 78% 1032 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 15%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 11 / 13 mph 27 / 17°F 73% 1030 mb
Low level cloud: 2%
Mid level cloud: 5%
High level cloud: 6%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 16 / 19 mph 33 / 22°F 77% 1026 mb
Low level cloud: 24%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 20 / 23 mph 30 / 17°F 79% 1025 mb
Low level cloud: 9%
Mid level cloud: 11%
High level cloud: 1%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 21 / 24 mph 32 / 20°F 84% 1022 mb
Low level cloud: 58%
Mid level cloud: 1%
High level cloud: 53%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 08
Mar		00:00

SSW
SSW

 22 / 43 mph 31 / 18°F 87% 1017 mb
Low level cloud: 99%
Mid level cloud: 8%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 28 / 53 mph 36 / 23°F 91% 1012 mb
Low level cloud: 89%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 31 / 36 mph 45 / 35°F 96% 1008 mb
Low level cloud: 90%
Mid level cloud: 48%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 29 / 33 mph 48 / 40°F 99% 1005 mb
Low level cloud: 96%
Mid level cloud: 89%
High level cloud: 9%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

SW
SW

 28 / 32 mph 49 / 41°F 98% 1004 mb
Low level cloud: 93%
Mid level cloud: 73%
High level cloud: 35%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
15:00

SW
SW

 19 / 24 mph 44 / 36°F 99% 1003 mb
Low level cloud: 88%
Mid level cloud: 78%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 16 / 21 mph 42 / 34°F 98% 1003 mb
Low level cloud: 81%
Mid level cloud: 87%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
21:00

SW
SW

 8 / 12 mph 42 / 37°F 100% 1003 mb
Low level cloud: 86%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
The 7 day weather forecast summary for St. John's:

Over the next 7 days the St. John's forecast suggests the average daytime maximum temperature will be around 5°C, with a high for the week of 13°C expected on the afternoon of Friday 13th. The average minimum temperature will be -4°C, dipping to its lowest on the morning of Saturday 7th at -14°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. Current predictions suggest Sunday 7th will have the most precipitation with an accumulation of around 15.0mm. On the whole winds are likely to be fresh. The forecast suggests the strongest wind will be on Sunday morning, coming from a south westerly direction, and reaching around 31mph. However, the maximum wind gusts are expected on Friday 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