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Maine United States

Weather in Portland for October 2025

Your guide to Portland weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Portland at the beginning of October is 15.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 12.1 °F by the end of October.

  • Rain 🌧️

  • With an average of 5 rainy days, Portland experiences minimal rainfall in October.

  • More

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Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
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 day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Oct. 1 Mist
Mist
14° /10° 0 mm 3
Oct. 2 Fog
Fog
13° /9° 0 mm 3
Oct. 3 Mist
Mist
16° /12° 0 mm 4
Oct. 4 Fog
Fog
15° /13° 0 mm 4
Oct. 5 Fog
Fog
21° /13° 0 mm 5
Oct. 6 Partly cloudy
Partly cloudy
13° /8° 0 mm 4
Oct. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /11° 91.2 mm 3
Oct. 8 Overcast
Overcast
16° /10° 0 mm 4
Oct. 9 Cloudy
Cloudy
14° /9° 0 mm 3
Oct. 10 Overcast
Overcast
13° /7° 0 mm 3
Oct. 11 Partly cloudy
Partly cloudy
15° /6° 0 mm 5
Oct. 12 Sunny
Sunny
16° /7° 0 mm 5
Oct. 13 Overcast
Overcast
11° /4° 7.2 mm 3
Oct. 14 Overcast
Overcast
12° /5° 2.9 mm 3
Oct. 15 Partly cloudy
Partly cloudy
10° /3° 0 mm 3
Oct. 16 Partly cloudy
Partly cloudy
12° /3° 0 mm 4
Oct. 17 Sunny
Sunny
14° /2° 0 mm 4
Oct. 18 Sunny
Sunny
16° /5° 0 mm 5
Oct. 19 Sunny
Sunny
16° /5° 0 mm 5
Oct. 20 Sunny
Sunny
17° /7° 0 mm 5
Oct. 21 Sunny
Sunny
25° /13° 0 mm 6
Oct. 22 Sunny
Sunny
18° /11° 0 mm 5
Oct. 23 Fog
Fog
14° /11° 0 mm 3
Oct. 24 Mist
Mist
14° /10° 0 mm 3
Oct. 25 Overcast
Overcast
12° /5° 0 mm 3
Oct. 26 Light drizzle
Light drizzle
11° /6° 1.7 mm 3
Oct. 27 Partly cloudy
Partly cloudy
8° /2° 0 mm 3
Oct. 28 Overcast
Overcast
8° /1° 0 mm 2
Oct. 29 Overcast
Overcast
9° /3° 0 mm 2
Oct. 30 Light rain
Light rain
15° /9° 16.5 mm 4
Oct. 31 Cloudy
Cloudy
22° /15° 0 mm 5
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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.

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 119.5 mm is expected in Portland during October, occurring over more than 5 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 17 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 💧

UV exposure in Portland during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates Where is Portland?

Get accurate weather forecasts for Portland, located at latitude 43.657 and longitude -70.259. Stay updated with localized weather information tailored for Portland.

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