Portland, ME Weather Forecast

Local 7-day forecast

75°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Portland, ME in one place.

Thursday, July 9, 2026
Wind: 5 to 15 mph SW
Thursday

Mostly sunny, with a high near 75. Southwest wind 5 to 15 mph.

Local 7-day forecast

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
Next High
75°F
Thursday
Next Low
66°F
Thursday Night
Rain Outlook
6
Periods mentioning precipitation
Windiest
5 to 20 mph
Monday

Daily Outlook

Today
Jul 9
Mostly Sunny
75 °F
/ 66°F
Wind 5 to 15 mph
Fri
Jul 10
Chance Rain Showers
75 °F
/ 64°F
Wind 5 mph
Sat
Jul 11
Sunny
77 °F
/ 63°F
Wind 5 to 10 mph
Sun
Jul 12
Sunny
76 °F
/ 64°F
Wind 5 to 10 mph
Mon
Jul 13
Mostly Sunny
77 °F
/ 66°F
Wind 5 to 20 mph
Tue
Jul 14
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
79 °F
/ 67°F
Wind 10 to 20 mph

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 source

Extended Forecast

Thursday Night
Jul 9
66°F
Slight Chance Showers And Thunderstorms
5 to 15 mph SW

A slight chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. Southwest wind 5 to 15 mph.

Friday
Jul 10
75°F
Chance Rain Showers
5 mph SW

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%.

Friday Night
Jul 10
64°F
Chance Showers And Thunderstorms then Mostly Cloudy
5 to 10 mph NW

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

Saturday
Jul 11
77°F
Sunny
5 to 10 mph N

Sunny, with a high near 77.

Saturday Night
Jul 11
63°F
Mostly Clear
5 to 10 mph NW

Mostly clear, with a low around 63.

Sunday
Jul 12
76°F
Sunny
5 to 10 mph E

Sunny, with a high near 76.

Sunday Night
Jul 12
64°F
Mostly Clear
5 to 10 mph SW

Mostly clear, with a low around 64.

Monday
Jul 13
77°F
Mostly Sunny
5 to 20 mph SW

Mostly sunny, with a high near 77.

Monday Night
Jul 13
66°F
Slight Chance Showers And Thunderstorms
10 to 20 mph SW

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%.

Tuesday
Jul 14
79°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
10 to 20 mph SW

A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.

Tuesday Night
Jul 14
67°F
Chance Showers And Thunderstorms
10 to 15 mph SW

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
Portland  Maine Montage
Portland Maine Montage image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.