Portland, ME Weather Forecast
Right now it is 62°F and mostly cloudy in Portland (as of Thu, 6:51 PM EST). Tomorrow: rain showers likely, high near 65°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at Portland, Portland International Jetport (3 mi from the city center).
Weather tomorrow in Portland
Rain Showers Likely
73% chance of rain/snow65°FRain showers likely after 9am. Cloudy, with a high near 65. Southeast wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Rain Showers 98% chance of rain/snow51°FRain showers before 7pm, then rain showers and patchy fog. Cloudy, with a low around 51. Northeast wind 0 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Weather alerts
No active National Weather Service watches, warnings or advisories for Portland right now.
7-day forecast
Mostly Cloudy then Chance Rain Showers 41% chance of rain/snow59°FTonight: A chance of rain showers between 1am and 5am. Mostly cloudy, with a low around 59. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Rain Showers Likely 98% chance of rain/snow65°F / 51°FRain showers likely after 9am. Cloudy, with a high near 65. Southeast wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. Friday Night: Rain showers before 7pm, then rain showers and patchy fog. Cloudy, with a low around 51. Northeast wind 0 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain Showers 83% chance of rain/snow56°F / 43°FRain showers. Cloudy, with a high near 56. North wind around 10 mph. Chance of precipitation is 80%. Saturday Night: Rain showers likely. Cloudy, with a low around 43. North wind around 10 mph. Chance of precipitation is 70%.
Rain Showers Likely 64% chance of rain/snow53°F / 38°FRain showers likely before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%. Sunday Night: Partly cloudy, with a low around 38.
Mostly Sunny54°F / 35°FMostly sunny, with a high near 54. Monday Night: Partly cloudy, with a low around 35.
Mostly Sunny58°F / 39°FMostly sunny, with a high near 58. Tuesday Night: Partly cloudy, with a low around 39.
Mostly Sunny55°F / 30°FMostly sunny, with a high near 55. Wednesday Night: Partly cloudy, with a low around 30.
Mostly Sunny49°FMostly sunny, with a high near 49.
Forecast issued by NWS forecast office GYX · updated Nov 5, 3:43 PM EST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Portland population: 69,911 (U.S. Census Bureau, July 1, 2025 estimate). More Maine cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Portland?
Friday, November 6: Rain Showers Likely, high near 65°F; night: rain showers, low around 51°F.
Where does the Portland forecast come from?
From the National Weather Service forecast office GYX, which writes the official forecast for Portland's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Portland weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Portland (America/New York).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.