Weather in Portland in June
How warm is it in Portland in June?
In June the typical daytime high in Portland is 24.2 °C on average, from 22.1 °C at the start to 26.4 °C at the end of the month.
That is 4.9 °C warmer than in May and 3.1 °C cooler than in July.
The last 10 years were 0.4 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Gardiner (73 km), Nashua (138 km) and Blue Hill Coop (175 km); nearer ones count more.