30YearWeather
Portland, November 9
Portland street view during November
Historical Weather Analysis

Portland Weather on November 9 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

11.9°C

High

4.9°C

Low

39%

Rain

🌤️ Feels like 11.1°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE

November 9 is generally a great time to visit Portland. While there is a slight chance of rain (39%), showers are usually brief. Expect comfortable 12°C weather. Portland is seeing high visitor numbers, so iconic spots may be busier than usual.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Portland Weather Forecast for November 9

"Mild & Comfortable. Expect average highs of 11.9°C. 39% chance of rain."

What to Wear in Portland in November

Based on historical data for November 9, Portland typically experiences temperatures between 4.9°C and 11.9°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 39% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Portland

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves
  • Umbrella

Average High

extreme-hot

11.9°C

Daytime Peak

Average Low

extreme-cold

4.9°C

Nighttime Low

Feels Like

partly-cloudy-day

11.1°C

🌤️ Feels accurate

Rain Chance

rain

39%

Avg 3.1mm if it rains

Cloud Cover

cloudy

74%

Overcast

Pressure

pressure

1018 hPa

Medium volatility

Portland Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±2.6°CModerate
Precipitation
20-59%Predictable

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.3Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 267 min to burn

Type III-IV

🟡 401 min to burn

Type V-VI

🟢 668 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

57Moderate
TemperatureCool
HumidityMuggy
WindLight Breeze

Dew Point

9.5°C

Dry air

Heat Stress

Low

No heat warning

😐 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

Busy

64/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~209

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Portland

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:02

☀️ Noon

11:55

🌇 Sunset

16:48

⏱️ Daylight

9h 46m

Golden Hour
Morning07:02 - 07:46
16:04 - 16:48Evening

Wind Speed

wind

12.8 km/h

Gentle breeze

Sunshine

clear-day

5.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

85%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Portland

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Portland

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

69/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1018 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
59AQI
Moderate
PM2.5 Concentration22 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):2
In Nov (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Medium

Volcanic Activity

Nearest: Mount St. Helens

84km away

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Portland on November 9 averages 11.9°C with a 39% precipitation probability. Wedding/Outdoor Event Score: 69/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Portland Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2016
15.8°C
Coldest
2020
-2.8°C
Rainiest
2021
10.7mm

Compare Other Cities

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📍 Is Portland Worth Visiting on November 9?

Planning a trip to Portland on November 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.9°C with a 39% historical precipitation risk.

✈️ Travel Logistics: Approximately 209 landing slots available daily during this period, indicating manageable crowd levels.

📊 Historical Extremes: The hottest November 9 recorded in the last 30 years saw temperatures hit 15.8°C in 2016, while the coldest dropped to -2.8°C in 2020.

Portland Weather FAQ