Portland, ME Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, ME in one place.
Mostly sunny, with a high near 75. Southwest 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: Jul 8, 2026 12:32 PM EDT.
The active forecast window currently covers Jul 9 to Jul 14, 2026 for Portland, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 9 to Jul 14, 2026
- Latest sync
- Jul 8, 2026 12:32 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Tuesday looks like the warmest upcoming period in Portland at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 5 to 20 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 8, 2026 12:32 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
A slight chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. Southwest wind 5 to 15 mph.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Southwest wind around 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Sunny, with a high near 77.
Mostly clear, with a low around 63.
Sunny, with a high near 76.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 77.
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 9
|
Mostly Sunny
|
75°F |
5 to 15 mph
SW
|
|
Thursday Night
Jul 9
|
Slight Chance Showers And Thunderstorms
|
66°F |
5 to 15 mph
SW
|
|
Friday
Jul 10
|
Chance Rain Showers
|
75°F |
5 mph
SW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
64°F |
5 to 10 mph
NW
|
|
Saturday
Jul 11
|
Sunny
|
77°F |
5 to 10 mph
N
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
63°F |
5 to 10 mph
NW
|
|
Sunday
Jul 12
|
Sunny
|
76°F |
5 to 10 mph
E
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
64°F |
5 to 10 mph
SW
|
|
Monday
Jul 13
|
Mostly Sunny
|
77°F |
5 to 20 mph
SW
|
|
Monday Night
Jul 13
|
Slight Chance Showers And Thunderstorms
|
66°F |
10 to 20 mph
SW
|
|
Tuesday
Jul 14
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
10 to 20 mph
SW
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms
|
67°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.