Portland Weather in April

April in Portland sees daytime temperatures around 16°C (61°F) and lows of 6°C (43°F) at night. With around 77 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Portland in April

Typically, you can expect about 17 days of rain this month, with 77 mm (3 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Portland in April

April in Portland brings moderate temperatures, with highs of 16°C (61°F) and nights around 6°C (43°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Portland in April

The days are predominantly sunny, with an estimated total of around 221 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Portland in April

Wind speeds average 3 m/s (6 knots) during April. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

If you prefer dry days with pleasant temperatures, May, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.

Portland Temperature in April

Min Temperature 6°C (43°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 57%  

Precipitation 77 mm (3 in)  

Rainy days 17 days  

Humidity 72%  

Windspeed 3 m/s (6 knots)  

Sunshine 221 hours  

Percentage Sunshine  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Portland typically rise from around 15°C (59°F) at the start of April to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 9°C (48°F).

Average temperatures in April

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in April

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Historical weather for Portland in April

Browse day-by-day weather records for Portland spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Portland historical weather extremes in April

The extremes listed below come from historical weather data collected in Portland from 1976 through 2026.

• On April 30, 1998, temperatures climbed to 32°C (90°F), marking the warmest April day on record.
• On April 4, 1999, Portland saw its coldest April day with temperatures maxing out at 7°C (45°F).
• The coldest night in April in Portland was on April 4, 1997, with a minimum of -1°C (30°F).
• The wettest April day on record brought 32 mm (1.3 in) of precipitation to Portland (April 21, 1988).

What to Wear in Portland in April

Pack for changing conditions in Portland in April. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Portland in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.

More climate data for Portland

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Portland climate overview or explore weather in the United States of America.