Portland (ME)
August
Weather in Portland, Maine for August 2027
Your guide to Portland weather in August - trends and predictions
In general, the average temperature in Portland at the beginning of August is 24.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.7 °C by the end of August.
Portland experiences moderate rainfall in August, with an average of 10 rainy days and a total precipitation of 61.9 mm.
Is August a good time to visit Portland? check out the best time to travel to Portland page.
✨ Is August a good time to visit Portland? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
23°/16°
Temperatures
17 km/h
Avg max wind
77 %
Avg humidity
Portland Weather August
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Temperatures trend during August in Portland
See the weather trend as well as the moving average line
August weather in Portland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Light rain | 23° /17° | 4.1 mm | 7 | |
| Aug. 2 |  Partly cloudy | 25° /18° | 0.2 mm | 8 | |
| Aug. 3 |  Moderate rain | 23° /18° | 13.9 mm | 6 | |
| Aug. 4 | Patchy light drizzle | 28° /18° | 0.4 mm | 8 | |
| Aug. 5 |  Patchy rain possible | 26° /17° | 0.3 mm | 7 | |
| Aug. 6 | Patchy rain possible | 23° /17° | 0.2 mm | 6 | |
| Aug. 7 | Patchy rain possible | 23° /16° | 0.6 mm | 6 | |
| Aug. 8 | Light rain | 22° /16° | 5.8 mm | 5 | |
| Aug. 9 | Light rain | 25° /17° | 1.1 mm | 7 | |
| Aug. 10 | Light drizzle | 26° /18° | 1.4 mm | 7 | |
| Aug. 11 | Patchy rain possible | 26° /17° | 1.9 mm | 7 | |
| Aug. 12 | Patchy rain possible | 24° /17° | 0.2 mm | 6 | |
| Aug. 13 | Patchy rain possible | 24° /16° | 1.1 mm | 7 | |
| Aug. 14 | Patchy rain possible | 25° /17° | 0.6 mm | 7 | |
| Aug. 15 | Light rain shower | 24° /15° | 1.1 mm | 7 | |
| Aug. 16 | Partly cloudy | 21° /15° | 0.4 mm | 6 | |
| Aug. 17 | Light rain | 24° /17° | 6.1 mm | 6 | |
| Aug. 18 | Patchy rain possible | 23° /16° | 0.5 mm | 4 | |
| Aug. 19 | Light rain | 22° /16° | 1.7 mm | 6 | |
| Aug. 20 | Light rain | 24° /15° | 4.1 mm | 5 | |
| Aug. 21 | Patchy rain possible | 20° /14° | 0.7 mm | 5 | |
| Aug. 22 | Light rain shower | 22° /13° | 1.7 mm | 4 | |
| Aug. 23 | Light rain | 22° /15° | 6.7 mm | 4 | |
| Aug. 24 | Patchy rain possible | 24° /17° | 1.9 mm | 6 | |
| Aug. 25 | Partly cloudy | 23° /16° | 0.3 mm | 6 | |
| Aug. 26 |  Thundery outbreaks possible | 25° /16° | 0.6 mm | 6 | |
| Aug. 27 | Partly cloudy | 23° /15° | 0.7 mm | 5 | |
| Aug. 28 | Light rain | 22° /17° | 1.7 mm | 4 | |
| Aug. 29 | Patchy rain possible | 22° /14° | 1.4 mm | 6 | |
| Aug. 30 |  Sunny | 22° /14° | 0.1 mm | 4 | |
| Aug. 31 | Sunny | 22° /13° | 0.6 mm | 6 | |
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Important Notice
Our weather forecast for Portland in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Portland during August?
During August, expect a variety of temperatures with highs around 23° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portland during August?
Moderate rainfall is anticipated in Portland during August, with a total of 61.9 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Portland during August?
The average wind speed in Portland during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands August weather 💧
Typically, Portland has 10 rainy days in August with a total of 61.9 mm of rainfall.
UV exposure in Portland during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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