Weather in Portland in June 2025
Average weather
Average temperature in Portland in June
The temperature in June is +79°F on average, with a range between a maximum of +91°F during the day and a minimum of +45°F at night.
The average maximum temperature goes up 38% by the end of the month, compared with the beginning of the month, from +70°F to +88°F.
Is Portland warm or cold in June?
Portland is typically warm in June.
Maximum temperatures go up compared to the previous month from +70°F to +75°F. The minimum temperature also goes up from +48°F to +54°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how June is compared to other months in Portland:
Climate in Portland in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +70°F | +75°F | +82°F | ||||
| Min. temperature | ||||||
| +34°F | +39°F | +43°F | ||||
| Max. temperature | ||||||
| +100°F | +115°F | +108°F | ||||
| Rainfall | ||||||
| 79 mm | 59 mm | 37 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 72% | 69% | 64% | ||||
| Air pressure | ||||||
| 1016 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 3 | 5 | 13 | ||||
| Cloudy days | ||||||
| 11 | 12 | 11 | ||||
| Rainy days | ||||||
| 16 | 12 | 7 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as good as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +70°F to +75°F during the day. As June arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 79 mm to 59 mm. It feels drier, as humidity decreases from 72% to 69%. The average wind speed doesn’t change much during June, staying around 1 m/s. The good news is there are likely to be more sunny days in June, from 3 to 5.
July brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Portland is gradually increasing during June, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last June in Portland?
Climate Change Over the Years
The climate in Portland in June 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 June a good time to visit Portland?
Can you sunbathe in Portland in June?
Is Portland rainy in June?
Is it sunny in Portland in June?
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.