Hazardous Weather Conditions
Current conditions at
Portland, Portland International Jetport (KPWM)
Lat: 43.64°NLon: 70.3°WElev: 72ft.
Fair
48°F
9°C
| Humidity | 42% |
| Wind Speed | N 5 mph |
| Barometer | 30.10 in (1019.3 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 12 May 9:51 pm EDT |
Extended Forecast for
Portland ME
Frost Advisory May 13, 02:00am until May 13, 09:00am
Tonight

Low: 39 °F
Partly Cloudy
Wednesday
High: 52 °F
Mostly Cloudy
then Chance
ShowersWednesday Night
Low: 46 °F
Chance
Showers then
CloudyThursday

High: 53 °F
Rain
Thursday Night

Low: 45 °F
Rain
Friday

High: 53 °F
Showers
Friday Night
Low: 46 °F
Chance
Showers then
Mostly CloudySaturday

High: 68 °F
Mostly Sunny
Saturday Night

Low: 53 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 39. Calm wind.
Wednesday
A 50 percent chance of showers, mainly between noon and 5pm. Mostly cloudy, with a high near 52. Light east wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers, mainly before 9pm. Cloudy, with a low around 46. South wind 10 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly after 10am. High near 53. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 45. Northeast wind around 10 mph. Chance of precipitation is 90%.
Friday
Showers, mainly before 2pm. High near 53. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portland ME
43.66°N 70.27°W (Elev. 7 ft)
43.66°N 70.27°W (Elev. 7 ft)
7:55 pm EDT May 12, 2026
10pm EDT May 12, 2026-6pm EDT May 19, 2026



