Weather in Portland in April 2025
Average weather
Average temperature in Portland in April
The temperature in April is +59°F on average, with a range between a maximum of +88°F during the day and a minimum of +36°F at night.
The average maximum temperature goes up 66% by the end of the month, compared with the beginning of the month, from +48°F to +82°F.
Is Portland warm or cold in April?
Portland is typically mild in April.
Maximum temperatures go up compared to the previous month from +57°F to +63°F. The minimum temperature also goes up from +41°F to +43°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Portland:
Climate in Portland in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +57°F | +63°F | +70°F | ||||
| Min. temperature | ||||||
| +19°F | +28°F | +34°F | ||||
| Max. temperature | ||||||
| +79°F | +88°F | +100°F | ||||
| Rainfall | ||||||
| 153 mm | 145 mm | 79 mm | ||||
| Wind | ||||||
| 2 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 79% | 75% | 72% | ||||
| Air pressure | ||||||
| 1016 HPa | 1017 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 3 | ||||
| Cloudy days | ||||||
| 7 | 7 | 11 | ||||
| Rainy days | ||||||
| 21 | 20 | 16 | ||||
| Snowy days | ||||||
| 1 | 0 | 0 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +57°F to +63°F during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 153 mm to 145 mm. It feels drier, as humidity decreases from 79% to 75%. Winds are calmer in comparison to March, going down from 2 m/s to 1 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
But maybe it is worth considering traveling in May as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Portland is gradually decreasing during April, going from 4 m/s to 2 m/s over the course of the month.
Rain
How was the weather last April in Portland?
Climate Change Over the Years
The climate in Portland in April has not changed that much over the last 43 years.
The average temperature was the lowest in 2011 (+61°F) and the highest in 2015 (+67°F). The driest year was 1985 with only 736 mm of rainfall, and the wettest year was 2021 with 4296 mm.
FAQ
Is April a good time to visit Portland?
Can you sunbathe in Portland in April?
Is Portland rainy in April?
Is it sunny in Portland in April?
Other cities in USA
Monthly weather in Portland
Source of the data
For this page, we’ve looked at the typical weather in Portland, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.