Portland, Maine

48 Hour Forecast
Updated:   2025-05-22 @ 10:12 am

There are 2 regional alerts

Time Temp (feels)   Conditions Precip Humidity Wind

Thursday May 22

11:00 AM 48° F (41° F) Cloudy   13%   77%   E 20 mph

12:00 PM 48° F (41° F) Isolated Rain Showers   18%   77%   E 20 mph

1:00 PM 48° F (41° F) Isolated Rain Showers   22%   77%   E 20 mph

2:00 PM 48° F (41° F) Chance Light Rain   35%   77%   E 20 mph

3:00 PM 48° F (41° F) Chance Light Rain   47%   77%   E 20 mph

4:00 PM 48° F (41° F) Light Rain Likely   60%   77%   E 20 mph

5:00 PM 47° F (40° F) Light Rain Likely   71%   79%   E 20 mph

6:00 PM 47° F (40° F) Light Rain   82%   83%   E 20 mph

7:00 PM 46° F (39° F) Light Rain   93%   86%   E 20 mph

8:00 PM 46° F (39° F) Light Rain   96%   86%   E 20 mph

9:00 PM 45° F (37° F) Light Rain   98%   89%   NE 25 mph

10:00 PM 45° F (37° F) Light Rain   100%   89%   NE 25 mph

11:00 PM 45° F (37° F) Light Rain   100%   89%   NE 25 mph

Friday May 23

12:00 AM 44° F (36° F) Light Rain   100%   93%   NE 20 mph

1:00 AM 44° F (36° F) Light Rain   100%   93%   NE 20 mph

2:00 AM 44° F (36° F) Light Rain   97%   93%   NE 20 mph

3:00 AM 44° F (36° F) Light Rain   94%   93%   NE 20 mph

4:00 AM 44° F (36° F) Light Rain   91%   93%   NE 20 mph

5:00 AM 44° F (36° F) Light Rain   87%   93%   NE 20 mph

6:00 AM 44° F (36° F) Light Rain   83%   93%   NE 20 mph

7:00 AM 44° F (36° F) Light Rain   80%   93%   NE 20 mph

8:00 AM 44° F (36° F) Light Rain   78%   93%   N 20 mph

9:00 AM 45° F (39° F) Light Rain   75%   89%   N 15 mph

10:00 AM 45° F (39° F) Light Rain Likely   73%   89%   N 15 mph

11:00 AM 45° F (39° F) Light Rain Likely   65%   89%   N 15 mph

12:00 PM 45° F (39° F) Light Rain Likely   56%   89%   N 15 mph

1:00 PM 46° F (40° F) Chance Light Rain   47%   86%   N 15 mph

2:00 PM 46° F (42° F) Chance Light Rain   42%   86%   NW 10 mph

3:00 PM 46° F (42° F) Chance Light Rain   37%   89%   NW 10 mph

4:00 PM 47° F (43° F) Chance Light Rain   32%   86%   NW 10 mph

5:00 PM 47° F (43° F) Chance Light Rain   30%   86%   NW 10 mph

6:00 PM 48° F (46° F) Chance Light Rain   26%   83%   NW 5 mph

7:00 PM 48° F (46° F) Slight Chance Rain Showers   24%   83%   NW 5 mph

8:00 PM 48° F (46° F) Slight Chance Rain Showers   24%   83%   W 5 mph

9:00 PM 47° F (45° F) Slight Chance Rain Showers   24%   89%   W 5 mph

10:00 PM 47° F (45° F) Slight Chance Rain Showers   24%   89%   W 5 mph

11:00 PM 47° F (45° F) Slight Chance Rain Showers   24%   89%   W 5 mph

Saturday May 24

12:00 AM 46° F (44° F) Slight Chance Rain Showers   24%   93%   W 5 mph

1:00 AM 46° F (44° F) Chance Rain Showers   47%   93%   W 5 mph

2:00 AM 46° F (44° F) Chance Rain Showers   47%   93%   W 5 mph

3:00 AM 46° F (65° F) Chance Rain Showers   47%   93%   0 mph

4:00 AM 45° F (64° F) Chance Rain Showers   47%   96%   0 mph

5:00 AM 46° F (65° F) Chance Rain Showers   47%   93%   0 mph

6:00 AM 46° F (44° F) Chance Rain Showers   47%   96%   NW 5 mph

7:00 AM 47° F (45° F) Chance Rain Showers   37%   93%   NW 5 mph

8:00 AM 48° F (46° F) Chance Rain Showers   37%   89%   NW 5 mph

9:00 AM 48° F (46° F) Chance Rain Showers   37%   86%   NW 5 mph

10:00 AM 49° F (48° F) Chance Rain Showers   37%   83%   NW 5 mph