5-day weather forecast Mont-Tremblant 18-05-2026

Weather forecast Mont-Tremblant Monday, May 18 18.05.2026: partly cloudy, temperature from 4 °C to 20 °C.

Precipitation probability 100%. Wind up to 4.39 m/s (gusts 6.58 m/s). Air humidity 51–98%, atmospheric pressure 761–768 mm Hg, UV index up to 6.3.

Sunrise 05:22
Sunset 20:28

Waxing Crescent2% illuminated
Moonrise 06:16 · Moonset 23:29

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Table

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

Forecast from 4 °C to 20 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	6	5	5	4	4	4	6	9	9	9	8	9	11	14	18	19	20	20	20	18	16	15	15	16
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0.27	1.26	0.02	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	100	33	33	5	27	32	23	42	71	100	97	85	100	89	49	13	39	100	74	51	34	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	100	100	76	0	0	0	0	0	0	0	0	0	0	0	0

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	1.19	1.31	0.89	1.31	1.5	1.39	1.69	1.69	2.61	2	2.61	2.39	2.19	3.11	3.61	4.39	4.11	3.39	3.31	3.39	3.31	2.39	2.39	2.81
Wind gust (m/s)	2.53	2.72	1.89	2.72	3.14	2.94	3.58	3	3.17	2.72	3.75	4.11	2.97	3.58	4.14	5.06	4.72	3.92	4	4.39	6.58	5.03	5.03	5.89
Wind direction (°)	NE 52°	ENE 62°	E 82°	ENE 75°	E 94°	E 93°	ESE 105°	E 96°	SE 124°	ESE 120°	ESE 120°	ESE 114°	ESE 110°	SE 136°	SSE 157°	S 184°	SSW 199°	S 182°	SSE 164°	S 169°	SSE 156°	SSE 151°	SSE 160°	S 183°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	63	60	61	62	62	63	63	59	51	58	83	91	86	76	61	57	63	69	77	82	91	97	98	98

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	767	767	768	768	767	768	768	768	767	767	767	767	767	765	764	763	763	762	761	761	761	761	761	761

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.2	0.4	0.3	0.3	0.6	2.3	6.3	6.3	6.1	4.3	2.5	1.2	0.3	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	2.8	2.8	2.7	2.7	2.7	2.7	2.7	2.7	2.8	2.9	3.4	4.4	5.5	6.3	6.6	6.7	6.8	7.6	8.5	8.5	8.6	9.1	9.9	10.7
PM10 (µg/m³)	3.1	3.1	3	2.9	3	3.1	3.1	3	3	3.1	3.6	4.8	5.9	6.6	6.9	7	7	7.7	8.6	8.7	8.8	9.3	10.1	10.9
Ozone (O₃) (µg/m³)	58	57	59	63	67	71	75	79	81	83	86	93	101	105	101	93	88	89	94	99	104	109	113	116
NO₂ (µg/m³)	1.7	1.7	1.5	1.3	1.2	1.2	1.2	1.3	1.5	1.8	2	2	2	2.1	2.4	2.7	3	3.1	3.2	3.2	3.3	3.4	3.4	3.4
SO₂ (µg/m³)	1.1	1.1	1.1	1	1.1	1.3	1.5	1.8	2.1	2.4	2.6	2.8	2.9	3	3	2.8	2.7	2.6	2.4	2.4	2.5	2.8	3	3.2
CO (µg/m³)	117.9	116.9	118.9	121.9	123.9	124.9	124.9	126.9	129.9	133.9	138.9	144.9	151.9	156.9	158.9	158.9	159.9	163.9	168.9	172.9	174.9	174.9	174.9	174.9

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

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.

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