5-day weather forecast Mont-Tremblant Sep 17, 2026

18° · Overcast

Weather forecast Mont-Tremblant Thursday Sep 17, 2026: overcast, temperature from 9 °C to 18 °C.

Precipitation probability 27%. Wind up to 3.19 m/s (gusts 6.22 m/s). Air humidity 49–86%, atmospheric pressure 765–771 mm Hg, UV index up to 5.

Sunrise 06:39
Sunset 19:06
First Quarter42% illuminated
Moonrise 14:27 · Moonset 22:14
Chart
Table

Forecast from 9 °C to 18 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)10999910101011121311141617181817161413131414
Precipitation (mm/hr)000000000000.030.020.020.02000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)706110010010010010010010010010010070728130464243699100100
Rain chance (%)17162525252322212016152512101022651215272525

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)1.811.611.691.391.51.311.19110.311.811.611.52.612.612.812.893.192.6910.190.810.811.31
Wind gust (m/s)4.815.614.695.394.54.316.191.031.140.722.423.612.5343.924.54.925.426.2210.330.810.811.31
Wind direction (°)NE 47°ENE 63°ENE 68°ENE 71°ENE 74°ENE 77°ENE 67°ENE 74°NE 52°ESE 123°S 172°SSE 148°SW 216°W 264°WSW 257°WSW 251°WSW 257°W 273°WNW 292°NW 315°W 265°SW 223°W 263°NW 324°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)788082828278777572646277625452504954658285868282

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)771771771770770770770770769769768767767767766765765765765765766766766766

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.2333344555540000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)0.90.90.90.90.80.80.70.60.60.60.511.61.71.822.22.32.32.52.42.11.91.7
PM10 (µg/m³)0.90.910.90.90.80.70.60.60.60.611.61.71.822.22.42.42.52.52.121.8
Ozone (O₃) (µg/m³)525050515355565759626771758083858685807368666666
NO₂ (µg/m³)0.90.90.80.70.60.50.60.80.90.90.90.80.70.70.60.50.50.611.51.81.61.20.8
SO₂ (µg/m³)0.20.20.20.20.20.20.20.20.30.61.11.41.51.51.41.31.21.110.90.80.70.60.5
CO (µg/m³)127123120118117117119123126128131133136139141140138139146156165172177177

Mont-Tremblant on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.