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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
Wed 22
Oct		00:00

SW
SW

 7 / 12 mph 45 / 42°F 88% 1023 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 7 / 13 mph 44 / 40°F 92% 1023 mb
Low level cloud: 26%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 7 / 13 mph 45 / 41°F 93% 1024 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 11 / 15 mph 50 / 45°F 82% 1024 mb
Low level cloud: 6%
Mid level cloud: 10%
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

S
S

 13 / 17 mph 55 / 51°F 73% 1023 mb
Low level cloud: 2%
Mid level cloud: 12%
High level cloud: 4%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 14 / 20 mph 55 / 51°F 78% 1023 mb
Low level cloud: 7%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 11 / 17 mph 51 / 46°F 89% 1024 mb
Low level cloud: 72%
Mid level cloud: 54%
High level cloud: 2%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 11 / 17 mph 50 / 46°F 90% 1024 mb
Low level cloud: 58%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
Oct		00:00

S
S

 11 / 15 mph 52 / 48°F 86% 1023 mb
Low level cloud: 58%
Mid level cloud: 36%
High level cloud: 0%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 11 / 18 mph 50 / 45°F 88% 1023 mb
Low level cloud: 39%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 10 / 18 mph 49 / 44°F 91% 1023 mb
Low level cloud: 85%
Mid level cloud: 71%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 10 / 14 mph 52 / 49°F 92% 1023 mb
Low level cloud: 87%
Mid level cloud: 29%
High level cloud: 5%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 15 / 17 mph 56 / 52°F 87% 1022 mb
Low level cloud: 77%
Mid level cloud: 11%
High level cloud: 16%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

 12 / 14 mph 58 / 55°F 89% 1021 mb
Low level cloud: 76%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

 11 / 13 mph 56 / 53°F 95% 1021 mb
Low level cloud: 51%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 12 / 18 mph 53 / 49°F 97% 1021 mb
Low level cloud: 74%
Mid level cloud: 53%
High level cloud: 0%
Most Significant Cloud Type: low
92%
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 11°C, with a high for the week of 15°C expected on the afternoon of Friday 24th. The mean minimum temperature will be 6°C, dipping to its lowest on the morning of Tuesday 28th at 2°C. The week will have mixed overhead conditions with some days dry and some seeing a significant amount of rain, sleet or snow. It looks like Saturday 28th will have the most precipitation with an accumulation of around 10.0mm. On the whole winds are likely to be moderate. The forecast suggests the strongest wind will be on Tuesday evening, coming from a northerly direction, and reaching around 29mph. However, the maximum wind gusts are expected on Wednesday 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