Maine weather in October
The state broadly agrees with itself in October: afternoons run 60° in Portland, Maine and 59° in Bar Harbor, with everywhere else in between.
Based on 2 weather stations. Two stations, both on the coast — the North Woods interior gets a longer, colder winter than either of these.
Southern Coast
Highs near 60°, nights around 41°, and 5.3 in of rain in a typical October.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Portland, Maine | 60° / 41° | 7 | Foliage, oysters, and the rain coming back in earnest. |
Downeast
Highs near 59°, nights around 43°, and 5.9 in of rain in a typical October.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Bar Harbor | 59° / 43° | 8 | Blueberry barrens turn scarlet — pack proper rain gear. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.