March 18 sees frequent showers in Whistler. Historical data shows a 48% chance of rain, so pack accordingly. Temperatures average 6°C. Whistler is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Whistler
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Safety
Very High Safety
GPI: 1.389
Whistler Weather Forecast for March 18
"Mild & Comfortable. Expect average highs of 6.2°C. 48% chance of snow."
What to Wear in Whistler in March
Based on historical data for March 18, Whistler typically experiences temperatures between -1.6°C and 6.2°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 48% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Whistler
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
6.2°C
Daytime Peak
Average Low
-1.6°C
Nighttime Low
Feels Like
4.8°C
❄️ Minor difference
Snow Chance
48%
Avg 7.5mm if it snows
Snowfall
5.2 cm
~48% chance
Pressure
1016.8 hPa
Medium volatility
Whistler Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 77% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 40 min to burn
Type III-IV
🟡 60 min to burn
Type V-VI
🟢 100 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
2.5°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Canada
Flight Traffic
Busy
70/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~307
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Whistler
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:20
☀️ Noon
12:21
🌇 Sunset
18:22
⏱️ Daylight
12h 2m
Wind Speed
6.9 km/h
Light breeze
Sunshine
7.2 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Whistler
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Whistler
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Whistler on March 18 averages 6.2°C with a 48% precipitation probability. Wedding/Outdoor Event Score: 31/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Whistler Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
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📍 Is Whistler Worth Visiting on March 18?
Planning a trip to Whistler on March 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 6.2°C with a 48% historical precipitation risk.
✈️ Travel Logistics: Approximately 307 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.
📊 Historical Extremes: The hottest March 18 recorded in the last 30 years saw temperatures hit 16.6°C in 2019, while the coldest dropped to -10.1°C in 2025.