Portland, ME Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, ME in one place.
A slight chance of rain showers. Partly sunny, with a high near 48.
Local Weather Overview
This forecast page for Portland, ME is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 21, 2026 12:50 AM EDT.
The active forecast window currently covers Apr 23 to Apr 27, 2026 for Portland, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 12:50 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Monday looks like the warmest upcoming period in Portland at 50 degrees F.
Thursday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Thursday at about 5 to 10 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 12:50 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 49.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 47.
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 41.
A slight chance of rain showers before 2pm. Partly sunny, with a high near 49.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 43.
A slight chance of rain showers before 8am. Partly sunny, with a high near 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Slight Chance Rain Showers
|
48°F |
5 to 10 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
38°F |
5 to 10 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny
|
49°F |
5 to 10 mph
NW
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
39°F |
5 mph
N
|
|
Saturday
Apr 25
|
Mostly Sunny
|
47°F |
5 mph
E
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers
|
41°F |
5 mph
W
|
|
Sunday
Apr 26
|
Slight Chance Rain Showers
|
49°F |
5 mph
E
|
|
Sunday Night
Apr 26
|
Slight Chance Rain Showers
|
43°F |
0 to 5 mph
W
|
|
Monday
Apr 27
|
Slight Chance Rain Showers then Partly Sunny
|
50°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.