What is the weather in Portland right now?

Current weather in Portland is light rain.

Where can I find the hourly weather forecast for Portland?

This page shows hourly weather forecast for Portland, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Portland updated regularly?

Weather data for Portland is updated regularly with the latest available observations and forecasts.

Now · 11:02 AM

Portland Weather & Hourly Forecast

United States · Maine · 04103

64°F

Light rain

Feels like: 61°F

💧 Humidity 96% 🌡 Pressure 29.97 inHg 💨 Wind 12 mph 👁 Visibility 2.1 mi ☁ Clouds 100% ☀️ UV index 0.4 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Portland

Today

12:00 PM

Light rain

64° 💧 0.167 in 💨 13 mph H 95%29.94 inHg

3:00 PM

Light rain

64° 💧 0.183 in 💨 12 mph H 97%29.88 inHg

6:00 PM

Light rain

64° 💧 0.014 in 💨 6 mph H 99%29.83 inHg

9:00 PM

Overcast night

64° 💧 0.000 in 💨 7 mph H 100%29.83 inHg

Tomorrow

12:00 AM

Fog at night

64° 💧 None 💨 5 mph H 99%29.77 inHg

3:00 AM

Mist at night

64° 💧 0.081 in 💨 5 mph H 100%29.77 inHg

6:00 AM

Moderate rain

63° 💧 0.105 in 💨 4 mph H 98%29.80 inHg

9:00 AM

Sunny

66° 💧 None 💨 13 mph H 84%29.85 inHg

12:00 PM

Mostly sunny

69° 💧 None 💨 13 mph H 56%29.91 inHg

3:00 PM

Sunny

69° 💧 None 💨 16 mph H 49%29.91 inHg

6:00 PM

Sunny

65° 💧 None 💨 15 mph H 54%30.00 inHg

9:00 PM

Clear night

60° 💧 None 💨 10 mph H 61%30.12 inHg

Tuesday

12:00 AM

Clear night

57° 💧 None 💨 8 mph H 68%30.21 inHg

3:00 AM

Clear night

55° 💧 None 💨 7 mph H 76%30.24 inHg

6:00 AM

Clear night

54° 💧 None 💨 7 mph H 80%30.30 inHg

9:00 AM

Sunny

58° 💧 None 💨 6 mph H 71%30.39 inHg

Today

12:00 PM

Light rain

64° 💧 0.043 in 💨 13 mph H 95%29.94 inHg

1:00 PM

Light rain

64° 💧 0.050 in 💨 14 mph H 96%29.94 inHg

2:00 PM

Light rain

64° 💧 0.075 in 💨 12 mph H 97%29.91 inHg

3:00 PM

Light rain

64° 💧 0.076 in 💨 12 mph H 97%29.88 inHg

4:00 PM

Light rain

64° 💧 0.061 in 💨 12 mph H 98%29.85 inHg

5:00 PM

Light rain

64° 💧 0.045 in 💨 9 mph H 98%29.83 inHg

6:00 PM

Light rain

64° 💧 0.007 in 💨 6 mph H 99%29.83 inHg

7:00 PM

Light rain

64° 💧 0.005 in 💨 6 mph H 99%29.80 inHg

8:00 PM

Mist at night

64° 💧 0.001 in 💨 8 mph H 100%29.77 inHg

9:00 PM

Overcast night

64° 💧 0.000 in 💨 7 mph H 100%29.83 inHg

10:00 PM

Partly cloudy night

64° 💧 None 💨 4 mph H 100%29.80 inHg

11:00 PM

Fog at night

64° 💧 None 💨 7 mph H 99%29.80 inHg

Tomorrow

12:00 AM

Fog at night

64° 💧 None 💨 5 mph H 99%29.77 inHg

1:00 AM

Fog at night

64° 💧 None 💨 7 mph H 100%29.77 inHg

2:00 AM

Overcast night

64° 💧 None 💨 6 mph H 100%29.77 inHg

3:00 AM

Mist at night

64° 💧 None 💨 5 mph H 100%29.77 inHg

4:00 AM

Mist at night

63° 💧 None 💨 7 mph H 99%29.77 inHg

5:00 AM

Light rain

63° 💧 0.081 in 💨 8 mph H 98%29.80 inHg

6:00 AM

Moderate rain

63° 💧 0.105 in 💨 4 mph H 98%29.80 inHg

7:00 AM

Overcast

63° 💧 0.000 in 💨 7 mph H 97%29.83 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 11 mph H 95%29.85 inHg

9:00 AM

Sunny

66° 💧 None 💨 13 mph H 84%29.85 inHg

10:00 AM

Sunny

67° 💧 None 💨 12 mph H 67%29.88 inHg

11:00 AM

Sunny

68° 💧 None 💨 13 mph H 60%29.91 inHg

12:00 PM

Mostly sunny

69° 💧 None 💨 13 mph H 56%29.91 inHg

1:00 PM

Sunny

69° 💧 None 💨 14 mph H 54%29.91 inHg

2:00 PM

Sunny

69° 💧 None 💨 16 mph H 51%29.91 inHg

3:00 PM

Sunny

69° 💧 None 💨 16 mph H 49%29.91 inHg

4:00 PM

Sunny

68° 💧 None 💨 17 mph H 49%29.94 inHg

5:00 PM

Sunny

67° 💧 None 💨 16 mph H 50%29.97 inHg

6:00 PM

Sunny

65° 💧 None 💨 15 mph H 54%30.00 inHg

7:00 PM

Clear night

63° 💧 None 💨 14 mph H 55%30.06 inHg

8:00 PM

Clear night

62° 💧 None 💨 12 mph H 58%30.09 inHg

9:00 PM

Clear night

60° 💧 None 💨 10 mph H 61%30.12 inHg

10:00 PM

Clear night

59° 💧 None 💨 9 mph H 65%30.15 inHg

11:00 PM

Clear night

58° 💧 None 💨 9 mph H 66%30.18 inHg

Tuesday

12:00 AM

Clear night

57° 💧 None 💨 8 mph H 68%30.21 inHg

1:00 AM

Clear night

56° 💧 None 💨 8 mph H 71%30.21 inHg

2:00 AM

Clear night

55° 💧 None 💨 7 mph H 74%30.24 inHg

3:00 AM

Clear night

55° 💧 None 💨 7 mph H 76%30.24 inHg

4:00 AM

Clear night

55° 💧 None 💨 7 mph H 77%30.27 inHg

5:00 AM

Clear night

54° 💧 None 💨 7 mph H 78%30.27 inHg

6:00 AM

Clear night

54° 💧 None 💨 7 mph H 80%30.30 inHg

7:00 AM

Sunny

54° 💧 None 💨 6 mph H 80%30.33 inHg

8:00 AM

Sunny

56° 💧 None 💨 7 mph H 78%30.36 inHg

9:00 AM

Sunny

58° 💧 None 💨 6 mph H 71%30.39 inHg

10:00 AM

Sunny

60° 💧 None 💨 6 mph H 62%30.39 inHg

11:00 AM

Sunny

61° 💧 None 💨 4 mph H 61%30.39 inHg

12:00 PM

Mostly sunny

61° 💧 None 💨 3 mph H 61%30.39 inHg

1:00 PM

Partly cloudy

62° 💧 None 💨 5 mph H 62%30.36 inHg

2:00 PM

Partly cloudy

62° 💧 None 💨 8 mph H 61%30.36 inHg

3:00 PM

Partly cloudy

61° 💧 None 💨 8 mph H 63%30.36 inHg

4:00 PM

Mostly sunny

61° 💧 None 💨 8 mph H 65%30.36 inHg

5:00 PM

Sunny

61° 💧 None 💨 9 mph H 68%30.36 inHg

6:00 PM

Partly cloudy

60° 💧 None 💨 10 mph H 71%30.36 inHg

7:00 PM

Partly cloudy night

59° 💧 None 💨 9 mph H 75%30.36 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 9 mph H 77%30.36 inHg

Wednesday

5:00 AM

Mostly clear night

54° 💧 None 💨 6 mph H 94%30.33 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 6 mph H 88%30.33 inHg

11:00 AM

Mostly cloudy

65° 💧 None 💨 5 mph H 74%30.33 inHg

2:00 PM

Mostly cloudy

70° 💧 None 💨 4 mph H 70%30.27 inHg

5:00 PM

Mostly sunny

68° 💧 None 💨 7 mph H 81%30.24 inHg

8:00 PM

Mostly clear night

63° 💧 None 💨 4 mph H 91%30.27 inHg

11:00 PM

Overcast night

61° 💧 None 💨 3 mph H 94%30.30 inHg

Thursday

2:00 AM

Overcast night

63° 💧 None 💨 7 mph H 89%30.30 inHg

5:00 AM

Overcast night

62° 💧 None 💨 5 mph H 90%30.30 inHg

8:00 AM

Overcast

63° 💧 None 💨 4 mph H 89%30.33 inHg

11:00 AM

Mostly sunny

68° 💧 None 💨 5 mph H 76%30.27 inHg

2:00 PM

Mostly cloudy

65° 💧 None 💨 7 mph H 83%30.21 inHg

5:00 PM

Light rain

64° 💧 None 💨 6 mph H 92%30.15 inHg

8:00 PM

Light rain

63° 💧 None 💨 5 mph H 100%30.12 inHg

11:00 PM

Moderate rain

65° 💧 None 💨 10 mph H 98%30.03 inHg

Friday

2:00 AM

Overcast night

65° 💧 None 💨 7 mph H 99%29.97 inHg

5:00 AM

Mostly clear night

62° 💧 None 💨 9 mph H 98%29.97 inHg

8:00 AM

Sunny

64° 💧 None 💨 7 mph H 96%30.00 inHg

11:00 AM

Sunny

68° 💧 None 💨 10 mph H 66%30.03 inHg

2:00 PM

Sunny

72° 💧 None 💨 8 mph H 50%29.97 inHg

5:00 PM

Mostly sunny

72° 💧 None 💨 5 mph H 54%29.97 inHg

8:00 PM

Clear night

64° 💧 None 💨 8 mph H 66%30.00 inHg

11:00 PM

Clear night

62° 💧 None 💨 8 mph H 73%30.00 inHg

Saturday

2:00 AM

Partly cloudy night

57° 💧 None 💨 6 mph H 86%30.03 inHg

8:00 AM

Sunny

54° 💧 None 💨 9 mph H 58%30.18 inHg

2:00 PM

Sunny

52° 💧 None 💨 7 mph H 68%30.24 inHg

8:00 PM

Mostly cloudy night

64° 💧 None 💨 3 mph H 44%30.18 inHg

Sunday

2:00 AM

Overcast night

56° 💧 None 💨 6 mph H 75%30.15 inHg

8:00 AM

Overcast

55° 💧 None 💨 4 mph H 80%30.09 inHg

2:00 PM

Overcast

57° 💧 None 💨 2 mph H 79%30.09 inHg

8:00 PM

Overcast night

63° 💧 None 💨 5 mph H 70%30.06 inHg

Monday

2:00 AM

Mostly cloudy night

59° 💧 None 💨 6 mph H 89%30.06 inHg

8:00 AM

Overcast

56° 💧 None 💨 2 mph H 89%30.09 inHg

2:00 PM

Overcast

56° 💧 None 💨 8 mph H 91%30.15 inHg

8:00 PM

Overcast night

63° 💧 None 💨 9 mph H 68%30.21 inHg

Tuesday

2:00 AM

Mostly cloudy night

57° 💧 None 💨 8 mph H 85%30.24 inHg

8:00 AM

Light rain

58° 💧 None 💨 7 mph H 75%30.21 inHg

2:00 PM

Overcast

57° 💧 None 💨 8 mph H 91%30.21 inHg

8:00 PM

Overcast night

62° 💧 None 💨 8 mph H 84%30.18 inHg

Wednesday

2:00 AM

Moderate rain

59° 💧 None 💨 8 mph H 95%30.12 inHg

8:00 AM

Moderate rain

59° 💧 None 💨 7 mph H 96%30.09 inHg

2:00 PM

Light rain

58° 💧 None 💨 8 mph H 97%30.06 inHg

8:00 PM

Light rain

60° 💧 None 💨 8 mph H 96%30.00 inHg

Thursday

2:00 AM

Moderate rain

58° 💧 None 💨 8 mph H 97%30.00 inHg

8:00 AM

Light rain

57° 💧 None 💨 7 mph H 97%30.03 inHg

2:00 PM

Light rain

58° 💧 None 💨 8 mph H 97%30.12 inHg

8:00 PM

Overcast night

59° 💧 None 💨 11 mph H 76%30.21 inHg

Friday

2:00 AM

Overcast night

58° 💧 None 💨 11 mph H 69%30.30 inHg

8:00 AM

Overcast

56° 💧 None 💨 11 mph H 77%30.39 inHg

2:00 PM

Mostly sunny

52° 💧 None 💨 8 mph H 87%30.45 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 10 mph H 74%30.47 inHg

Saturday

2:00 AM

Clear night

53° 💧 None 💨 6 mph H 92%30.45 inHg

8:00 AM

Overcast

49° 💧 None 💨 3 mph H 96%30.45 inHg

2:00 PM

Overcast

49° 💧 None 💨 4 mph H 95%30.42 inHg

8:00 PM

Overcast night

57° 💧 None 💨 6 mph H 66%30.36 inHg

Sunday

2:00 AM

Overcast night

54° 💧 None 💨 2 mph H 87%30.30 inHg

8:00 AM

Overcast

54° 💧 None 💨 4 mph H 89%30.21 inHg

2:00 PM

Light rain

54° 💧 None 💨 7 mph H 94%30.12 inHg

8:00 PM

Overcast night

57° 💧 None 💨 9 mph H 91%30.03 inHg

Monday

2:00 AM

Overcast night

56° 💧 None 💨 7 mph H 90%29.97 inHg

In Portland and, more broadly, across the state of Maine: The rest of the day will feature mostly cloudy skies with mild temperatures ranging from 62 to 67 degrees Fahrenheit. There is a strong possibility of rain, with an expected accumulation around 0.16 inches. Winds will be coming from the south at up to 10 mph, with gusts reaching as high as 28 mph, potentially making conditions feel breezier. Be prepared for periodic rain showers and slightly breezy conditions as the day progresses. It’s advisable to carry an umbrella if you plan to be outdoors later today. Temperatures are expected to remain steady through the afternoon, providing a relatively mild but damp weather pattern.

15-Day Weather Outlook for Portland

TomorrowTomorrow

Overcast 69°/63° 💧 None 💨 17 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 62°/54° 💧 None 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 70°/54° 💧 0.435 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Light rain 68°/61° 💧 0.004 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Moderate rain 72°/62° 💧 0.573 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 64°/52° 💧 0.344 in 💨 9 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 64°/55° 💧 None 💨 6 mph

Monday, Sep 21Mon Sep 21

Overcast 63°/56° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Light rain 63°/57° 💧 0.052 in 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Moderate rain 62°/58° 💧 1.216 in 💨 8 mph

Thursday, Sep 24Thu Sep 24

Moderate rain 60°/57° 💧 0.757 in 💨 8 mph

Friday, Sep 25Fri Sep 25

Overcast 59°/52° 💧 0.016 in 💨 11 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 59°/49° 💧 0.001 in 💨 10 mph

Sunday, Sep 27Sun Sep 27

Light rain 57°/54° 💧 0.030 in 💨 7 mph

Monday, Sep 28Mon Sep 28

Overcast 57°/56° 💧 0.196 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Portland

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Portland

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 PM

PM2.5 Fine particles Good 3,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 64,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 5,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Portland

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 1,9Low 🙂Fair

Tomorrow UV 5,0Moderate 🙂Fair

Tuesday UV 5,8Moderate 🙂Fair

Wednesday UV 5,1Moderate 😐Moderate

Thursday UV 4,0Moderate 🙂Fair

Friday UV 5,0Moderate —Unavailable

Saturday UV 4,0Moderate —Unavailable

Hourly UV index today

12:00 PMUV 0,5 1:00 PMUV 1,1 2:00 PMUV 1,9 3:00 PMUV 0,8 4:00 PMUV 0,5 5:00 PMUV 0,2 6:00 PMUV 0,1 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Portland

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PORTLAND, MAINE

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

39/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 49% Real hourly forecast for the best viewing hour.

☾ Moonlight 6% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 23° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Portland were last refreshed today at 10:29 AM. The current forecast period extends through 15/09/2026 at 9:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.