Mid-autumn · Weather & things to do
Portland, Maine in October
The year's rain peaks now, with about 5.7 in (145 mm) falling in Portland, Maine, alongside highs near 56°F (13°C) and lows of 49°F (10°C).
Our comfort score puts it mid-table at 64/100, 5th of 12.
- Avg high
- 56°F (13°C)
- Avg low
- 49°F (10°C)
- Rain
- 5.7 in (145 mm)
- Humidity
- 81%
- Cloud cover
- 59%
- Daylight
- ~10 h 46 min
- Comfort score
- 64/100 · Good
What October feels like
Expect mild afternoons around 56°F (13°C), good for long walks.
Lows average 49°F (10°C).
Expect regular rain: about 5.7 in (145 mm) falls in the month.
Plan around October
October sits mid-table; the best months are September.
- Start of the wettest three-month stretch (October – December), which brings about 16.2 in (411 mm) in total.
- The year's biggest cool-down: highs drop 5°C (9°F) from September.
- Comfort slips from 87/100 in September to 64/100.
- October sits inside the May – Oct window our Boston to Portland route recommends.
What to pack for October
- A warm layer for eveningsnights drop to 49°F
- Rain jacket and waterproof shoes5.7 in of rain on average
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Portland, Maine in October
With 5.7 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Duckfat
Small sandwich shop famous for fries cooked in duck fat.
Why now A sit-down stop to wait out showers in a month with 5.7 in of rain.
Eventide Oyster Co.
Oyster bar known for its brown-butter lobster roll on a steamed bun.
Why now Easy to slot in when October's rain moves in.
Portland Museum of Art
Strong Winslow Homer and Maine art collection in the Arts District.
Why now An indoor-leaning stop for a month with 5.7 in of rain.
Allagash Brewing Company
Belgian-style brewery with a tasting room and free tours.
Why now Keeps part of the day dry on wetter October days.
Casco Bay Lines
Ferries to Peaks Island and the outer islands for a cheap harbor cruise.
Nearby in October
- Portsmouth in October~48 mi · highs 58°F, 5.3 in rain · 1°C (2°F) warmer by day, about as wet
- Maine in October~51 mi · highs 58°F, 5.5 in rain · 1°C (2°F) warmer by day, about as wet
- White Mountains in October~67 mi · highs 36°F, 5.1 in rain or snow · 11°C (21°F) cooler by day, drier
- New Hampshire in October~73 mi · highs 60°F, 4.9 in rain · 2°C (4°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Portland, Maine in October: quick answers
Is October a good time to visit Portland, Maine?
It's middling, scoring 64/100. The best months are September, at up to 87. Expect highs of 56°F (13°C) and 5.7 in (145 mm) of rain. October is inside the May – Oct window our Boston to Portland route recommends.
How cold is Portland, Maine in October?
Average highs are 56°F (13°C) and average lows 49°F (10°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Portland, Maine in October?
Yes: about 5.7 in (145 mm) of rain falls across October on average, the wettest month of the year. The annual total is about 53.7 in (1363 mm).
What should I pack for Portland, Maine in October?
Bring a warm layer for evenings (nights drop to 49°F), rain jacket and waterproof shoes (5.7 in of rain on average) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Portland, Maine
Routes in season in October
- Boston to Portland May – Oct
Planning Portland, Maine in October?
Share this October plan with your group, poll everyone on dates and keep the packing list in one place.