| NWS Forecast for: Portland ME Issued by: National Weather Service Gray/Portland, ME Last Update: 7:16 pm EDT Sep 9, 2026 | |
| Overnight: Rain and thunderstorms before 4am, then a chance of showers and thunderstorms between 4am and 5am, then rain likely and possibly a thunderstorm after 5am. Areas of fog. Low around 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible. Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Northwest wind 5 to 10 mph. Friday: Sunny, with a high near 70. Northwest wind 5 to 10 mph. Friday Night: Clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. Saturday: Sunny, with a high near 68. Saturday Night: Partly cloudy, with a low around 58. Sunday: A 40 percent chance of showers after 9am. Partly sunny, with a high near 73. Sunday Night: Mostly cloudy, with a low around 61. Monday: Mostly sunny, with a high near 75. Monday Night: Partly cloudy, with a low around 56. Tuesday: Mostly sunny, with a high near 72. Tuesday Night: Partly cloudy, with a low around 62. Wednesday: Partly sunny, with a high near 77. | |
| Portland ME 43.66°N 70.27°W (Elev. 7 ft) | |
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