46°Sunny0% rainWeather status
No dangerous weather alerts for Portland, ME
Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
Live Doppler radar
Animated Multi-Radar/Multi-Sensor reflectivity from the National Weather Service’s network of Doppler radars. Search a U.S. city, ZIP code, or street address to center the map on local weather, then zoom to neighborhood street detail.
Low rain chance for the next 6 hours
The interactive map stays off until opened to keep forecasts fast.
After loading, MyUSA.us shows the exact Doppler frame time, refresh controls, and an official NWS fallback if the map is unavailable.Doppler radar and warnings: NOAA/National Weather Service · Map: OpenFreeMap, OpenMapTiles and OpenStreetMap contributors. Radar can be delayed briefly during service updates.
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Portland, ME. Forecasts and alerts update from NOAA and the National Weather Service.
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48°Clear0% rainNext 24 hours
Rain Timeline
No meaningful precipitation is expected in the official hourly forecast.
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Official NWS outlook
7-Day Forecast
Today
51°34°
Sunny
- Precipitation
- 0%
- Wind
- NW 5 to 10 mph
- Sunrise
- 7:11 AM
- Sunset
- 5:40 PM
Wed
51°42°
Mostly Sunny
- Precipitation
- 0%
- Wind
- S 0 to 5 mph
- Sunrise
- 7:12 AM
- Sunset
- 5:39 PM
Thu
63°53°
Sunny
- Precipitation
- 4%
- Wind
- SW 5 to 10 mph
- Sunrise
- 7:13 AM
- Sunset
- 5:37 PM
Fri
65°38°
Sunny
- Precipitation
- 4%
- Wind
- W 10 mph
- Sunrise
- 7:15 AM
- Sunset
- 5:36 PM
Sat
57°37°
Sunny
- Precipitation
- 2%
- Wind
- NW 5 mph
- Sunrise
- 7:16 AM
- Sunset
- 5:35 PM
Sun
58°45°
Mostly Sunny
- Precipitation
- 19%
- Wind
- SW 5 to 10 mph
- Sunrise
- 6:17 AM
- Sunset
- 4:33 PM
Mon
60°45°
Chance Rain Showers
- Precipitation
- 45%
- Wind
- SW 5 to 10 mph
- Sunrise
- 6:19 AM
- Sunset
- 4:32 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather guidance for your areaPlan with the complete forecast
Safety guides Use current official weather information for Portland, ME before making weather-sensitive plans.
Current forecastStart with the hourly forecastCheck when rain, wind, and temperature changes overlap your plans.
Open→Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
Open→Safety guideReview official safety guidancePrepare for storms, flooding, heat, cold, and other hazards.
Open→Healthy weatherInclude air quality in outdoor plansUse official EPA information when planning time outside.
Open→Weather for a healthier day
Healthy Weather
Real Feel43°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindN13 mph
Best walk timeBetter weather window: 12 PM–2 PM
Walking: 0% average rain chance, near 48°F, with winds near 5 mph.
Official EPA AirNowLocal air qualityPortland, MEView AQI +
More weather details
Wind gustsNot reported
Rain now0%next hour
Humidity37%current
Daily peak UV forecastChecking…EPA daily maximum · not a current reading
Wind impact: Noticeable breeze with generally minor outdoor impact.
“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 gustNot reported
Pressure30.38 in
Visibility10.0 mi
Peak rain chance0%
Dew point23°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
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Hurricane center
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