30YearWeather
Portland in April
Portland weather in April - United States
🌤️Mild & Comfortable

Portland Weather in April

Plan your April trip to Portland, United States. Based on 30 years of NASA data, expect temperatures of 15°C (high) to 5°C (low), with 40% rain probability and 8 hours of daily sunshine. Pack rain gear for around 30 rainy days.

Avg High
15°C

Hottest around day 30

Avg Low
5°C

Coolest around day 2

Rainy Days
30days

40% avg rain chance

Sunshine
8hrs/day

Spring season

Portland April Weather Calendar

Click any day to see detailed weather information

Day 1
rain
Rainy
13°C45%
Day 2
rain
Rainy
13°C46%
Day 3
rain
Rainy
13°C45%
Day 4
rain
Rainy
13°C45%
Day 5
rain
Rainy
14°C48%
Day 6
rain
Rainy
14°C50%
Day 7
rain
Rainy
14°C47%
Day 8
rain
Rainy
14°C50%
Day 9
rain
Rainy
14°C50%
Day 10
rain
Rainy
14°C47%
Day 11
rain
Rainy
14°C45%
Day 12
rain
Rainy
14°C46%
Day 13
rain
Rainy
14°C42%
Day 14
cloudy
Cloudy
14°C40%
Day 15
cloudy
Cloudy
15°C39%
Day 16
cloudy
Cloudy
15°C36%
Day 17
cloudy
Cloudy
15°C35%
Day 18
cloudy
Cloudy
15°C36%
Day 19
cloudy
Cloudy
15°C34%
Day 20
cloudy
Cloudy
16°C30%
Day 21
cloudy
Cloudy
16°C32%
Day 22
cloudy
Cloudy
16°C31%
Day 23
cloudy
Cloudy
16°C31%
Day 24
cloudy
Cloudy
16°C34%
Day 25
cloudy
Cloudy
16°C37%
Day 26
cloudy
Cloudy
16°C37%
Day 27
cloudy
Cloudy
17°C37%
Day 28
cloudy
Cloudy
17°C36%
Day 29
cloudy
Cloudy
17°C33%
Day 30
cloudy
Cloudy
17°C33%

Essential Travel Info for Portland

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Portland

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected
62/ 100
Traffic Index

Popular destination

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Jan

Monthly Traffic Distribution

203
Jan
204
Feb
225
Mar
256
Apr
287
May
297
Jun
324
Jul
326
Aug
305
Sep
275
Oct
209
Nov
253
Dec
Traffic Level
Low Season

Key Connections

Seattle Tacoma (SEA)
Los Angeles (LAX)
Denver (DEN)
Phoenix Sky Harbor (PHX)
San Francisco (SFO)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is April a Good Time to Visit Portland?

👍Very good conditions overall
Short Answer

Rain dominates Portland in April (40% probability, 3mm average). Prices are lower but outdoor activities require backup plans. Umbrella is essential.

Decision Factors

Near active volcano: Mount St. Helens

Medium volcanic risk

Plenty of sunshine

8.8h of sunshine daily

Shoulder season - balanced conditions

79% of peak - good value with moderate crowds

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    77% humidity creates difficult conditions

Related Guides

Best Time to VisitWhen to AvoidPortland Overview
900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Portland in April averages 15°C with 40% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Portland in April

What are the temperatures in Portland in April?

Daytime highs average 15°C, nights drop to 5°C. Temperatures remain fairly consistent.

How many rainy days in Portland in April?

Expect around 30 days with measurable rainfall. An umbrella is advisable.

What to wear in Portland in April?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is April peak season in Portland?

This is shoulder season—moderate prices and manageable crowds.