Weather Forecast for St John's

Newfoundland and Labrador, Canada

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Cloudy

Current Weather - St John's: 16°C

Newfoundland and Labrador, Canada

Cloudy

Feels like 13°C

Wind

17 km/h S

Humidity

83%

Pressure

1019 mb

UV Index

1

Visibility

10 km

Fog

Fog

Thursday, August 20, 2026

High

18°C

Low

12°C

Rain Chance

82%

Hourly Forecast

Patchy rain nearby 17°C
12:00
Light rain shower 16°C
13:00
Light rain shower 16°C
14:00
Light rain shower 16°C
15:00
Light rain shower 16°C
16:00
Light rain shower 17°C
17:00
Fog 17°C
18:00
Overcast 18°C
19:00
Patchy rain nearby 18°C
20:00
Fog 18°C
21:00
Fog 17°C
22:00
Fog 17°C
23:00
Aug 21

Day Statistics

Maximum Wind

21 km/h

Humidity

94%

Precipitation

2 mm

UV Index

6

Visibility

6 km

Rain Chance

82%

Snow Chance

0%

Sun & Moon

Sunrise

06:03 AM

Sunset

08:04 PM

Moonrise

03:43 PM

Moonset

11:24 PM

Moon Phase

First Quarter

Moon Illumination

58%

Air Quality

PM2.5

6

μg/m³

PM10

8.7

μg/m³

NO₂

2.6

μg/m³

O₃

64.7

μg/m³

SO₂

0.6

μg/m³

CO

117.8

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

64.9

Diffuse Radiation

24.58

DNI

0

GTI

0

When to visit St John's?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
-1°C
💧
19 Days of rain
❄️
Very heavy snowfall

February

☀️
-1°C
💧
16 Days of rain
❄️
Very heavy snowfall
🥶 Coldest month

March

☀️
2°C
💧
16 Days of rain
❄️
Very heavy snowfall

April

☀️
6°C
💧
13 Days of rain
❄️
Very heavy snowfall

May

☀️
10°C
💧
11 Days of rain
❄️
Heavy snow expected

June

☀️
14°C
💧
10 Days of rain
❄️
No snowfall
Best time to visit
🌵 Driest month

July

☀️
19°C
💧
12 Days of rain
❄️
No snowfall
Best time to visit

August

☀️
20°C
💧
12 Days of rain
❄️
No snowfall
Best time to visit
🔥 Hottest month

September

☀️
17°C
💧
14 Days of rain
❄️
No snowfall

October

☀️
12°C
💧
16 Days of rain
❄️
Moderate snowfall

November

☀️
7°C
💧
17 Days of rain
❄️
Very heavy snowfall

December

☀️
2°C
💧
19 Days of rain
❄️
Very heavy snowfall
🌧 Wettest month,