Portland, ME Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, ME in one place.
Rain showers before 8am, then rain showers and patchy fog between 8am and 4pm. Mostly cloudy, with a high near 61. West wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
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: May 24, 2026 4:21 PM EDT.
The active forecast window currently covers May 25 to May 30, 2026 for Portland, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 4:21 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Wednesday looks like the warmest upcoming period in Portland at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 4:21 PM EDT
- Coverage
- 6 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 51. West wind 0 to 5 mph.
Mostly sunny, with a high near 68. Southwest wind 5 to 15 mph.
Mostly clear, with a low around 56.
A slight chance of rain showers after 4pm. Mostly sunny, with a high near 73.
A slight chance of rain showers before midnight. Partly cloudy, with a low around 53.
A slight chance of rain showers after 11am. Mostly sunny, with a high near 64.
A slight chance of rain showers. Partly cloudy, with a low around 49.
A chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
A slight chance of rain showers before 9am. Mostly sunny, with a high near 58.
Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Rain Showers
|
61°F |
5 to 10 mph
W
|
|
Monday Night
May 25
|
Partly Cloudy
|
51°F |
0 to 5 mph
W
|
|
Tuesday
May 26
|
Mostly Sunny
|
68°F |
5 to 15 mph
SW
|
|
Tuesday Night
May 26
|
Mostly Clear
|
56°F |
10 to 15 mph
SW
|
|
Wednesday
May 27
|
Mostly Sunny then Slight Chance Rain Showers
|
73°F |
10 mph
W
|
|
Wednesday Night
May 27
|
Slight Chance Rain Showers then Partly Cloudy
|
53°F |
10 mph
NW
|
|
Thursday
May 28
|
Slight Chance Rain Showers
|
64°F |
10 mph
NW
|
|
Thursday Night
May 28
|
Slight Chance Rain Showers
|
49°F |
5 to 10 mph
NW
|
|
Friday
May 29
|
Chance Rain Showers
|
59°F |
10 to 15 mph
NE
|
|
Friday Night
May 29
|
Chance Rain Showers
|
48°F |
10 mph
N
|
|
Saturday
May 30
|
Slight Chance Rain Showers then Mostly Sunny
|
58°F |
10 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
49°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.
