St. John's Airport (YYT) 15 Day Weather Forecast, St. John's Canada

Current weather conditions and 15 day weather forecast for St. John's Airport in St. John's, Canada including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at YYT

14 December 2025 Sun
-0.9 ° C
( 30.4°F )
Partly cloudy
Partly cloudy 		Feels Like : -7 ° C / 19.4°F
Humidity : % 80
Pressure : 1016 mb
Wind Speed : 24.5 kmph / 15.2 miles from WW
Visibility : 24 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

15-day weather forecast for St. John's Airport, St. John's, Canada

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
14 December 2025 Sun Moderate or heavy snow showers Moderate or heavy snow showers -0.3 ° C 1.2 ° C 0.7 ° C % 81 36.4 km/h 92%
15 December 2025 Mon Moderate rain Moderate rain -1.5 ° C 8.3 ° C 3.6 ° C % 95 60.5 km/h 91%
16 December 2025 Tue Patchy moderate snow Patchy moderate snow -2.7 ° C -0.6 ° C -1.7 ° C % 70 62.6 km/h 74%
17 December 2025 Wed Patchy moderate snow Patchy moderate snow -4.8 ° C 0.5 ° C -1.2 ° C % 74 38.2 km/h 88%
18 December 2025 Thu Patchy rain nearby Patchy rain nearby -1.3 ° C 8 ° C 4.4 ° C % 82 50.8 km/h 88%
19 December 2025 Fri Moderate or heavy snow showers Moderate or heavy snow showers -1.6 ° C 1.4 ° C 0.1 ° C % 74 45.7 km/h 82%
20 December 2025 Sat Patchy rain nearby Patchy rain nearby -0.1 ° C 3.5 ° C 2.7 ° C % 80 45.7 km/h 87%
21 December 2025 Sun Moderate or heavy snow showers Moderate or heavy snow showers -3.2 ° C -0.2 ° C -1.2 ° C % 77 46.1 km/h 66%
22 December 2025 Mon Patchy rain nearby Patchy rain nearby -2 ° C 5.2 ° C 2.3 ° C % 91 31 km/h 86%
23 December 2025 Tue Blowing snow Blowing snow -6.2 ° C -2.7 ° C -3.9 ° C % 73 38.9 km/h 85%
24 December 2025 Wed Moderate or heavy snow showers Moderate or heavy snow showers -4.9 ° C 3.7 ° C -0.6 ° C % 80 59 km/h 74%
25 December 2025 Thu Blowing snow Blowing snow -8.3 ° C -6.6 ° C -7 ° C % 68 61.9 km/h 77%
26 December 2025 Fri Partly Cloudy  Partly Cloudy -5.6 ° C -3.7 ° C -4.8 ° C % 61 58.3 km/h 0%
27 December 2025 Sat Moderate snow Moderate snow -4.6 ° C -3.2 ° C -4.2 ° C % 77 32.4 km/h 78%
Weather forecasts are usually fully updated every 3 hours.

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