Portland (ME)
October
Weather in Portland, Maine for October 2027
Your guide to Portland weather in October - trends and predictions
In general, the average temperature in Portland at the beginning of October is 17 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.1 °C by the end of October.
Portland experiences moderate rainfall in October, with an average of 7 rainy days and a total precipitation of 143.4 mm.
Is October a good time to visit Portland? check out the best time to travel to Portland page.
✨ Is October a good time to visit Portland? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
14°/8°
Temperatures
21 km/h
Avg max wind
73 %
Avg humidity
Portland Weather October
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Temperatures trend during October in Portland
See the weather trend as well as the moving average line
October weather in Portland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Mist | 17° /11° | 0 mm | 3 | |
| Oct. 2 |  Patchy rain possible | 19° /11° | 1.6 mm | 3 | |
| Oct. 3 | Mist | 18° /11° | 0 mm | 4 | |
| Oct. 4 | Fog | 17° /12° | 0 mm | 4 | |
| Oct. 5 |  Overcast | 18° /12° | 0 mm | 4 | |
| Oct. 6 |  Partly cloudy | 15° /10° | 0 mm | 4 | |
| Oct. 7 |  Heavy rain | 15° /10° | 30.5 mm | 3 | |
| Oct. 8 | Heavy rain | 17° /11° | 26.3 mm | 4 | |
| Oct. 9 |  Cloudy | 15° /8° | 0 mm | 3 | |
| Oct. 10 | Overcast | 14° /7° | 0 mm | 4 | |
| Oct. 11 | Patchy rain possible | 15° /7° | 1.3 mm | 3 | |
| Oct. 12 | Patchy rain possible | 16° /8° | 1.2 mm | 3 | |
| Oct. 13 | Heavy rain | 12° /7° | 31.7 mm | 2 | |
| Oct. 14 | Patchy rain possible | 14° /8° | 2 mm | 2 | |
| Oct. 15 | Overcast | 12° /7° | 0 mm | 3 | |
| Oct. 16 | Patchy rain possible | 13° /5° | 1.9 mm | 2 | |
| Oct. 17 |  Sunny | 14° /4° | 0 mm | 3 | |
| Oct. 18 | Sunny | 13° /4° | 0 mm | 3.4 | |
| Oct. 19 | Sunny | 14° /7° | 0 mm | 3.3 | |
| Oct. 20 |  Moderate rain | 15° /8° | 12.8 mm | 3 | |
| Oct. 21 | Sunny | 18° /9° | 0 mm | 3.2 | |
| Oct. 22 |  Light rain | 16° /10° | 5.4 mm | 3 | |
| Oct. 23 | Fog | 13° /9° | 0 mm | 3 | |
| Oct. 24 | Mist | 13° /7° | 0 mm | 3 | |
| Oct. 25 | Partly cloudy | 12° /5° | 0 mm | 2.9 | |
| Oct. 26 | Light drizzle | 12° /6° | 0.9 mm | 2 | |
| Oct. 27 | Partly cloudy | 10° /4° | 0 mm | 2 | |
| Oct. 28 | Overcast | 10° /3° | 0 mm | 2 | |
| Oct. 29 | Overcast | 12° /5° | 0 mm | 2 | |
| Oct. 30 | Light rain | 14° /9° | 7.6 mm | 2 | |
| Oct. 31 | Moderate rain | 16° /9° | 10.4 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Portland in October 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.
Change Month
Portland in October - FAQ
What are the expected maximum and minimum temperatures in Portland during October?
During October, expect a variety of temperatures with highs around 14° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portland during October?
Significant rainfall exceeding 143.4 mm is expected in Portland during October, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Portland during October?
The average wind speed in Portland during October is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands October weather 💧
Typically, Portland has 7 rainy days in October with a total of 143.4 mm of rainfall.
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