Portland, Maine
Daily Forecast
Updated: 2026-05-16 @ 7:17 pm| Day | Temp | Conditions | Precip | Wind | ||
|---|---|---|---|---|---|---|
| May 16 | Tonight | 56° F |
|
Mostly Cloudy then Rain Showers Likely |
63%
|
SW 10 to 15 mph
|
| May 17 | Sunday | 72° F |
|
Sunny |
0%
|
W 10 to 15 mph
|
| Sunday Night | 49° F |
|
Partly Cloudy |
0%
|
N 0 to 15 mph
|
|
| May 18 | Monday | 60° F |
|
Mostly Sunny |
0%
|
E 0 to 10 mph
|
| Monday Night | 51° F |
|
Partly Cloudy |
4%
|
S 5 to 10 mph
|
|
| May 19 | Tuesday | 81° F |
|
Mostly Sunny then Slight Chance Rain Showers |
19%
|
SW 5 to 10 mph
|
| Tuesday Night | 63° F |
|
Slight Chance Rain Showers then Partly Cloudy |
18%
|
SW 5 to 10 mph
|
|
| May 20 | Wednesday | 81° F |
|
Partly Sunny then Chance Showers And Thunderstorms |
54%
|
SW 10 to 15 mph
|
| Wednesday Night | 52° F |
|
Chance Showers And Thunderstorms |
48%
|
NW 5 to 10 mph
|
|
| May 21 | Thursday | 64° F |
|
Partly Sunny |
13%
|
NW 5 to 10 mph
|
| Thursday Night | 45° F |
|
Partly Cloudy |
5%
|
NW 0 to 5 mph
|
|
| May 22 | Friday | 61° F |
|
Mostly Sunny |
3%
|
NE 0 to 10 mph
|
| Friday Night | 45° F |
|
Partly Cloudy |
4%
|
W 0 to 5 mph
|
|
| May 23 | Saturday | 60° F |
|
Mostly Sunny |
10%
|
E 0 to 10 mph
|