Portland, ME Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, ME in one place.
Patchy fog before 9am. Mostly sunny, with a high near 71. South wind 5 to 15 mph.
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: Aug 23, 2026 5:26 PM EDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Portland, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 5:26 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Tuesday looks like the warmest upcoming period in Portland at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 5:26 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 62. Southwest wind 5 to 15 mph.
Mostly sunny, with a high near 75. Southwest wind 5 to 15 mph.
Mostly clear, with a low around 62.
Sunny, with a high near 75.
Mostly clear, with a low around 63.
Mostly sunny, with a high near 72.
Rain showers likely after 9pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Patchy Fog then Mostly Sunny
|
71°F |
5 to 15 mph
S
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
62°F |
5 to 15 mph
SW
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
75°F |
5 to 15 mph
SW
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
62°F |
5 to 10 mph
W
|
|
Wednesday
Aug 26
|
Sunny
|
75°F |
5 to 10 mph
SW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
63°F |
0 to 10 mph
SW
|
|
Thursday
Aug 27
|
Mostly Sunny
|
72°F |
0 to 15 mph
SW
|
|
Thursday Night
Aug 27
|
Rain Showers Likely
|
65°F |
10 to 15 mph
S
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms
|
72°F |
10 to 15 mph
S
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
63°F |
5 to 10 mph
SW
|
|
Saturday
Aug 29
|
Mostly Sunny
|
72°F |
5 to 10 mph
W
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
60°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.
