Two-week planning outlook

14-Day Weather Forecast for Portland, Maine

Daily high and low temperatures, rain chances, wind, UV index, weekend conditions, and planning guidance for the next two weeks.

Expect daytime highs between 61°F and 79°F during the next 14 days. Rain chances peak at 100% on Wednesday, Sep 9, while Mon, Sep 7 · Fri, Sep 11 · Tue, Sep 15 currently look most favorable for outdoor plans.

Updated Sep 4, 9:05 AM -04:00

14 Days at a Glance

Complete two-week outlook

Warmest DayFri, Sep 4 · 79°FBroken Clouds

Coolest NightWed, Sep 16 · 46°FBroken Clouds

Highest Rain ChanceWed, Sep 9 · 100%Heavy Intensity Rain

Strongest WindMon, Sep 14 · 17.1 mphNo gust data

Weekend OutlookMostly dry · Light Rain73°F / 56°F

Total Precipitation1.64 inEstimated across 14 days

Extended local outlook

14-Day Forecast

Detailed 48-hour forecast

Friday, Sep 4 · 79°F / 61°F

Broken Clouds

Rain chance 15%, 8.3 mph NW, humidity 47%.

Morning: 61°F
Afternoon: 79°F
Evening: 71°F
Overnight: 63°F
Humidity: 47%
Pressure: 29.77 inHg
Dew point: —
UV index: 0 low
Sunrise: 6:08 AM
Sunset: 7:12 PM

Temperature Trend

HighLow46°F – 79°F

9/49/59/69/79/89/99/109/119/129/139/149/159/169/17

Rain Chances

15%9/4

20%9/5

2%9/6

0%9/7

27%9/8

100%9/9

100%9/10

0%9/11

0%9/12

38%9/13

100%9/14

0%9/15

0%9/16

20%9/17

UV Index

Daily peak

09/4

09/5

09/6

09/7

09/8

09/9

09/10

09/11

09/12

09/13

09/14

09/15

09/16

09/17

Planning Ahead

Forecast-based guidance

Most Favorable Outdoor Days

Mon, Sep 7 · Fri, Sep 11 · Tue, Sep 15

Lower rain chances and manageable winds

Rainy Days

Wed, Sep 9 · Thu, Sep 10 · Mon, Sep 14

Peak chance 100%

Warmest Days

Fri, Sep 4 · Mon, Sep 7 · Tue, Sep 8

Highs up to 79°F

Coolest Nights

Wed, Sep 16 · Fri, Sep 11 · Sat, Sep 12

Lows near 46°F

Windiest Day

Monday, Sep 14

17.1 mph · Gusts —

Weekend Weather

Two-week planning

This Weekend

Sat, Sep 568°F / 60°FLight Rain · Rain 20%

Sun, Sep 673°F / 56°FBroken Clouds · Rain 2%

Next Weekend

Sat, Sep 1261°F / 47°FClear Sky · Rain 0%

Sun, Sep 1365°F / 51°FLight Rain · Rain 38%

14-Day Weather Forecast for Portland, Maine

Temperatures range from an overnight low near 46°F to a daytime high near 79°F. The strongest rain signal is 100% on Wednesday, Sep 9, with 3 notable wet days in the current outlook.

FAQ

14-day forecast questions for Portland

What is the 14-day weather forecast for Portland?

Will it rain in Portland during the next two weeks?

The strongest rain signal is 100% on Wednesday, Sep 9, with 3 notable wet days in the current outlook.

What is the hottest day in Portland during the next 14 days?

The warmest forecast day is Friday, Sep 4, with a high near 79°F.

What is the coldest night in Portland?

The lowest forecast temperature is 46°F on Wednesday, Sep 16.

What will the weather be this weekend in Portland?

This Weekend currently ranges from 56°F to 73°F, with rain chances peaking at 20%.