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Portland, Maine 04101 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Portland, Maine 04101. Always follow local warnings and emergency instructions.

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Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Portland, Maine 04101 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Portland, Maine 04101

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

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What’s next

Hourly forecast

Portland, Maine 04101

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Portland, Maine 04101. Forecasts and alerts update from NOAA and the National Weather Service.

70°Slight Chance Rain Showers23% rain
69°Slight Chance Rain Showers17% rain
69°Mostly Cloudy12% rain
69°Patchy Fog6% rain
68°Patchy Fog15% rain
68°Patchy Fog24% rain
68°Chance Rain Showers33% rain
68°Patchy Fog24% rain

Next 24 hours

Rain Timeline

Highest chance 33%

Scattered precipitation is possible. The highest official hourly chance is 33%; check the radar before heading out.

23%Rain
17%Rain
12%None
6%None
15%None
24%None
33%Rain
24%None
14%None
5%None
2%None
2%None
0%None
1%None
0%None
0%None
1%None
0%None
0%None
0%None
0%None
2%None
2%None
3%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

71°64°

Chance Rain Showers

Precipitation
33%
Wind
E 5 mph
Sunrise
5:55 AM
Sunset
7:34 PM

Mon

74°59°

Patchy Fog then Mostly Sunny

Precipitation
5%
Wind
SW 0 to 15 mph
Sunrise
5:57 AM
Sunset
7:32 PM

Tue

77°61°

Mostly Sunny

Precipitation
5%
Wind
SW 5 to 10 mph
Sunrise
5:58 AM
Sunset
7:31 PM

Wed

78°61°

Sunny

Precipitation
0%
Wind
SW 0 to 10 mph
Sunrise
5:59 AM
Sunset
7:29 PM

Thu

79°65°

Mostly Sunny

Precipitation
56%
Wind
SW 0 to 15 mph
Sunrise
6:00 AM
Sunset
7:27 PM

Fri

79°62°

Chance Showers And Thunderstorms

Precipitation
55%
Wind
S 10 mph
Sunrise
6:01 AM
Sunset
7:26 PM

Sat

79°58°

Mostly Sunny

Precipitation
4%
Wind
W 5 mph
Sunrise
6:02 AM
Sunset
7:24 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel66°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindE3 mph
Best walk timeBetter weather window: 6 PM–8 PM

Walking: 15% average rain chance, near 69°F, with winds near 5 mph.

Official EPA AirNowLocal air qualityPortland, Maine 04101
View AQI +
More weather details
Wind gusts29mph
Rain now23%next hour
Humidity94%current
UV indexCheckingEPA forecast

Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust29 mph
Pressure29.82 in
Visibility10.0 mi
Peak rain chance33%
Dew point64°F
Active alertsNone

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

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Official tropical weather

Hurricane center

NOAA National Hurricane Center updates, outlooks, and storm resources in one place.