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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 11
Jul		00:00

SSE
SSE

 4 / 6 mph 51 / 50°F 89% 1021 mb
Low level cloud: 92%
Mid level cloud: 23%
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

SSW
SSW

 4 / 8 mph 50 / 49°F 89% 1021 mb
Low level cloud: 28%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 4 / 7 mph 53 / 50°F 87% 1021 mb
Low level cloud: 29%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

 5 / 8 mph 57 / 54°F 80% 1022 mb
Low level cloud: 26%
Mid level cloud: 0%
High level cloud: 87%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 10 / 13 mph 60 / 57°F 76% 1021 mb
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 20%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 10 / 14 mph 63 / 61°F 77% 1021 mb
Low level cloud: 42%
Mid level cloud: 5%
High level cloud: 3%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

 7 / 11 mph 65 / 63°F 83% 1020 mb
Low level cloud: 61%
Mid level cloud: 4%
High level cloud: 3%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 9 / 16 mph 61 / 59°F 89% 1021 mb
Low level cloud: 15%
Mid level cloud: 6%
High level cloud: 7%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 12
Jul		00:00

SW
SW

 11 / 23 mph 52 / 48°F 91% 1020 mb
Low level cloud: 13%
Mid level cloud: 9%
High level cloud: 25%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 11 / 21 mph 51 / 47°F 93% 1019 mb
Low level cloud: 17%
Mid level cloud: 7%
High level cloud: 4%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 11 / 22 mph 53 / 48°F 88% 1019 mb
Low level cloud: 6%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 13 / 14 mph 64 / 63°F 74% 1019 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 13 / 15 mph 70 / 69°F 68% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 15 / 18 mph 70 / 69°F 69% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 17 / 19 mph 66 / 65°F 77% 1017 mb
Low level cloud: 10%
Mid level cloud: 48%
High level cloud: 32%
Most Significant Cloud Type: medium
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 16 / 30 mph 57 / 53°F 89% 1016 mb
Low level cloud: 75%
Mid level cloud: 65%
High level cloud: 33%
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:

Over the next 7 days the St. John's forecast suggests the average daytime maximum temperature will be around 22°C, with a high for the week of 26°C expected on the afternoon of Tuesday 14th. The average minimum temperature will be 12°C, dipping to its lowest on the morning of Friday 17th at 8°C. The week will have mixed weather with some days dry and some seeing a little rain. It looks like Wednesday 17th will have the most precipitation with an accumulation of around 3.0mm. On the whole winds are likely to be moderate. The strongest wind will be experienced on Thursday afternoon, coming from a northerly direction, and reaching around 26mph.

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