Portland, ME Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Portland, ME.

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Current Conditions — Portland, ME

PORTLAND (KPWM)

Drizzle

42.8 F
Humidity:81%
Wind Speed:S 12.7 G 20.7 mph
Barometer:30.12 in
Dewpoint:37.4 F
Visibility:6.00 mi
Precip:--
Heat Index:NA
Wind Chill:36.1 F
Apr 22 2026, 02:05 PM EDT
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5-Day Forecast — Portland, ME

Wednesday

High 44 °F
Chance of Rain Showers
Wednesday
Night
Low 39 °F
Chance of Rain
Thursday

High 53 °F
Chance of Rain Showers
Thursday
Night
Low 37 °F
Partly Cloudy
Friday

High 50 °F
Mostly Cloudy
Friday
Night
Low 37 °F
Partly Cloudy
Saturday

High 50 °F
Partly Sunny
Saturday
Night
Low 39 °F
Partly Cloudy
Sunday

High 51 °F
Partly Sunny

Detailed Forecast — Portland, ME

Wednesday
Chance of Rain Showers. High near 44°F. Wind 9 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Chance of Rain. Low around 39°F. Wind 3 to 9 mph, with gusts as high as 17 mph.
Thursday
Chance of Rain Showers. High near 53°F. Wind 3 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly Cloudy. Low around 37°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Friday
Mostly Cloudy. High near 50°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Friday Night
Partly Cloudy. Low around 37°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Saturday
Partly Sunny. High near 50°F. Wind around 6 mph, with gusts as high as 12 mph.
Saturday Night
Partly Cloudy. Low around 39°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Sunday
Partly Sunny. High near 51°F. Wind 2 to 7 mph, with gusts as high as 14 mph.
Sunday Night
Mostly Cloudy. Low around 41°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Monday
Mostly Cloudy. High near 51°F. Wind 2 to 8 mph, with gusts as high as 16 mph.
Monday Night
Slight Chance of Showers. Low around 41°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Tuesday
Slight Chance of Rain Showers. High near 50°F. Wind 5 to 9 mph, with gusts as high as 17 mph.
ME Radar
Current Radar • ME
Day 1 Outlook • April 22, 2026

Observation History — Portland, ME

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:05 PM EDT S 12.7 G 20.7 6.00 Drizzle -- 42.8 37.4 81% 36.1 NA 30.12 1020.0
02:00 PM EDT 15.0 G 21.9 9.00 Drizzle -- 42.8 37.4 81% 35.4 NA 30.13 1020.3
01:40 PM EDT S 10.4 G 17.3 10.00 Cloudy -- 42.8 37.4 81% 37.0 NA 30.13 1020.3
01:25 PM EDT S 15.0 10.00 Cloudy -- 42.8 37.4 81% 35.4 NA 30.14 1020.7
01:15 PM EDT 15.0 10.00 Cloudy -- 42.8 37.4 81% 35.4 NA 30.13 1020.3
12:55 PM EDT S 16.1 10.00 Cloudy -- 44.6 37.4 76% 37.4 NA 30.13 1020.3
12:45 PM EDT S 9.2 10.00 Cloudy -- 44.6 37.4 76% 39.7 NA 30.14 1020.7
12:35 PM EDT S 12.7 G 18.4 10.00 Cloudy -- 44.6 37.4 76% 38.5 NA 30.14 1020.7
12:20 PM EDT S 16.1 10.00 Cloudy -- 42.8 37.4 81% 35.1 NA 30.14 1020.7
12:00 PM EDT S 10.4 10.00 Cloudy -- 42.8 37.4 81% 37.0 NA 30.15 1021.0
11:40 AM EDT S 11.5 G 17.3 10.00 Cloudy -- 44.6 37.4 76% 38.8 NA 30.16 1021.3
11:25 AM EDT S 11.5 G 18.4 10.00 Cloudy -- 44.6 37.4 76% 38.8 NA 30.16 1021.3
11:15 AM EDT S 13.8 10.00 Cloudy -- 44.6 37.4 76% 38.1 NA 30.16 1021.3
10:55 AM EDT S 12.7 G 18.4 10.00 Cloudy -- 44.6 37.4 76% 38.5 NA 30.16 1021.3
10:50 AM EDT S 16.1 10.00 Mostly Cloudy -- 46.4 37.4 71% 39.7 NA 30.16 1021.3
10:35 AM EDT 16.1 10.00 Mostly Cloudy -- 44.6 37.4 76% 37.4 NA 30.16 1021.3
10:20 AM EDT 10.00 Cloudy -- 44.6 35.6 70% NA NA 30.16 1021.3
10:05 AM EDT S 12.7 G 18.4 10.00 Cloudy -- 44.6 35.6 70% 38.5 NA 30.16 1021.3
10:00 AM EDT S 10.4 G 17.3 10.00 Cloudy -- 44.6 35.6 70% 39.2 NA 30.17 1021.7
09:50 AM EDT S 11.5 10.00 Mostly Cloudy -- 44.6 33.8 66% 38.8 NA 30.17 1021.7
09:35 AM EDT 11.5 G 17.3 10.00 Mostly Cloudy -- 44.6 33.8 66% 38.8 NA 30.17 1021.7
09:25 AM EDT 9.2 10.00 Mostly Cloudy -- 44.6 33.8 66% 39.7 NA 30.17 1021.7
09:10 AM EDT S 10.4 10.00 Mostly Cloudy -- 44.6 33.8 66% 39.2 NA 30.17 1021.7
09:05 AM EDT 10.00 Mostly Cloudy -- 44.6 33.8 66% NA NA 30.18 1022.0

Regional Weather Observation

PORTLAND (KPWM)

Drizzle
42.8 F

FRYEBURG (KIZG)

Cloudy
46.4 F

AUBURN/LEWISTON (KLEW)

Cloudy
44.6 F

SANFORD MUNI (KSFM)

Cloudy
44.6 F

WISCASSET (KIWI)

Cloudy
44.6 F

ROCHESTER (KDAW)

Cloudy
44.6 F
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