5-day weather forecast Mont-Tremblant 18-07-2026

Weather forecast Mont-Tremblant Saturday, July 18 18.07.2026: sunny, temperature from 10 °C to 21 °C.

Precipitation probability 94%. Wind up to 3.89 m/s (gusts 5.75 m/s). Air humidity 53–100%, atmospheric pressure 746–761 mm Hg, UV index up to 1.1.

Sunrise 05:25
Sunset 20:44

Waxing Crescent23% illuminated
Moonrise 10:28 · Moonset 22:52

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Table

← Fri, Jul 17

Sat, Jul 18, 2026

Sun, Jul 19 →

Forecast from 10 °C to 21 °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)	12	11	11	10	10	10	10	13	17	19	21	19	14	14	14	15	16	16	16	17	16	17	16	16
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0.13	2.33	6.2	1.37	1.48	1.5	0.09	0.06	0.21	7.96	0.09	0	0.98

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 (%)	9	11	8	6	5	5	18	11	14	47	47	89	85	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	10	12	12	13	13	13	13	9	5	7	5	22	81	92	81	81	81	45	50	52	94	53	44	78

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)	1.81	1.39	1.11	1	1.19	1.31	1.19	1.11	1.69	2.31	2.69	3.31	2.19	1.5	1.31	2.11	3	3.89	3.39	2.81	2.61	2.31	1.89	2.11
Wind gust (m/s)	3.78	2.94	2.31	2.11	2.53	2.72	2.53	2.31	2.03	2.64	3.11	3.81	3.11	1.97	1.78	2.86	4.14	5.75	4.75	4.11	3.89	3.39	2.86	3.31
Wind direction (°)	S 181°	S 170°	SE 144°	SE 139°	SE 137°	SE 141°	SE 124°	SE 134°	SSE 166°	S 177°	SSW 193°	SSW 204°	SSE 156°	ESE 110°	SE 135°	SE 135°	SSE 147°	SSE 154°	SSE 164°	SSE 155°	SSE 161°	S 190°	S 178°	S 182°

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 (%)	81	85	86	88	88	89	87	78	64	59	53	61	94	99	100	100	99	99	99	99	99	99	99	100

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)	761	761	761	761	760	759	759	759	758	758	757	757	756	755	755	753	752	750	749	749	748	747	746	746

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	0.1	0.3	0.3	0.6	1	1.1	0.4	0.1	0.1	0	0	0	0	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)	3.3	3.4	3.4	3.4	3.5	3.6	3.7	3.7	4	4.9	5.8	6.5	7.4	10	11.6	12.8	13.8	11.5	8.8	7.8	5.5	2.4	1	0.9
PM10 (µg/m³)	3.4	3.5	3.6	3.6	3.6	3.7	3.8	3.9	4.1	5.1	6.1	6.8	7.7	10.5	12	13.1	14.2	11.8	8.9	7.9	5.5	2.4	1	0.9
Ozone (O₃) (µg/m³)	56	54	54	55	58	60	61	61	63	67	73	78	82	85	88	93	98	100	98	95	90	85	79	75
NO₂ (µg/m³)	0.8	0.9	0.9	0.9	1	1	1	1.1	1.1	1.1	1.1	1.1	0.9	0.7	0.6	0.9	1.4	1.8	2	2.1	2.2	2.2	2.1	1.9
SO₂ (µg/m³)	0.3	0.2	0.2	0.2	0.3	0.4	0.5	0.5	0.6	0.6	0.7	0.7	0.6	0.6	0.6	0.9	1.2	1.4	1.3	1	0.8	0.7	0.6	0.5
CO (µg/m³)	104	101	100	101	104	107	112	118	122	124	124	123	121	118	118	122	128	134	141	149	152	147	137	129

← Fri, Jul 17

Sat, Jul 18, 2026

Sun, Jul 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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