Portland (ME)
June
Weather in Portland, Maine for June 2026
Your guide to Portland weather in June - trends and predictions
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So far, June 2026 in Portland shows a warmer trend than usual by 2.4 °F.
The forecast for the next days in Portland predicts temperatures to be around 22 °F, close to the historical average.
In general, the average temperature in Portland at the beginning of June is 18.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22 °F by the end of June.
Portland in June brings notable rainfall, with an average of 19 rainy days and a total precipitation of 183.3 mm.
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11
Dry days
19
Rainy days
0
Snow days
20°/14°
Temperatures
18 km/h
Avg max wind
80 %
Avg humidity
Portland Weather June
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Temperatures trend during June in Portland
See the weather trend as well as the moving average line
June weather in Portland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Partly cloudy | 17° /9° | 7.7 mm | 5 | |
| Jun. 2 | Partly cloudy | 19° /8° | 0 mm | 7 | |
| Jun. 3 | Partly cloudy | 19° /9° | 0 mm | 6 | |
| Jun. 4 | Partly cloudy | 20° /10° | 0 mm | 6 | |
| Jun. 5 |  Patchy rain possible | 23° /11° | 0.5 mm | 7 | |
| Jun. 6 |  Light rain | 17° /12° | 7.1 mm | 5 | |
| Jun. 7 | Light rain shower | 17° /12° | 22.2 mm | 5 | |
| Jun. 8 |  Patchy light rain with thunder | 20° /12° | 1 mm | 6 | |
| Jun. 9 | Light rain shower | 19° /12° | 1.6 mm | 6 | |
| Jun. 10 | Light rain shower | 20° /12° | 3.1 mm | 6 | |
| Jun. 11 | Patchy rain possible | 21° /13° | 3.3 mm | 5 | |
| Jun. 12 | Patchy rain possible | 21° /15° | 3.6 mm | 4 | |
| Jun. 13 |  Sunny | 23° /13° | 0 mm | 7 | |
| Jun. 14 | Patchy light drizzle | 20° /14° | 17.9 mm | 6 | |
| Jun. 15 | Light rain shower | 19° /13° | 12.8 mm | 6 | |
| Jun. 16 |  Overcast | 18° /11° | 0 mm | 6 | |
| Jun. 17 |  Cloudy | 20° /12° | 1.3 mm | 6 | |
| Jun. 18 | Sunny | 23° /15° | 15.4 mm | 7 | |
| Jun. 19 | Patchy rain possible | 24° /16° | 5.7 mm | 7 | |
| Jun. 20 | Sunny | 23° /14° | 0.1 mm | 6.9 | |
| Jun. 21 | Patchy rain possible | 20° /14° | 3.3 mm | 6.2 | |
| Jun. 22 | Patchy rain possible | 18° /14° | 1.9 mm | 6.7 | |
| Jun. 23 | Patchy rain possible | 19° /14° | 3.8 mm | 8.6 | |
| Jun. 24 | Sunny | 22° /13° | 0 mm | 1.8 | |
| Jun. 25 | Patchy rain possible | 19° /15° | 1.3 mm | 4 | |
| Jun. 26 | Patchy rain possible | 18° /15° | 0.3 mm | 4 | |
| Jun. 27 | Patchy rain possible | 20° /14° | 1.1 mm | 4 | |
| Jun. 28 |  Moderate rain | 23° /16° | 6.5 mm | 4 | |
| Jun. 29 | Patchy rain possible | 24° /15° | 0.1 mm | 4 | |
| Jun. 30 | Sunny | 28° /19° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Portland in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portland forecast closer to your planned date for the most up-to-date weather information.
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Portland in June - FAQ
What are the expected maximum and minimum temperatures in Portland during June?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Portland during June?
Significant rainfall exceeding 183.3 mm is expected in Portland during June, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Portland during June?
The average wind speed in Portland during June is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands June weather 💧
Typically, Portland has 19 rainy days in June with a total of 183.3 mm of rainfall.
UV exposure in Portland during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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