South Portland Weather Forecast 15 Days, Weather in South Portland Today
Current weather conditions and 15 day weather forecast for South Portland, Maine, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at South Portland
| 29 March 2026 Sunday 3.3 ° C / 37.9°F  Sunny |
Feels Like : -0.1 ° C / 31.8°F Humidity : % 76 Pressure : 1028 mb Wind Speed : 13.7 kmph / 8.5 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for South Portland, ME, USA
Weather Forecast for next 15 Days for South Portland including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in South Portland, Maine state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 29 March 2026 Sunday | Sunny |
-3.7 ° C (25.3°F) |
7.6 ° C (45.7°F) |
2.2 ° C (35.9°F) |
% 58 | 0% | 0.9 | Sunrise:06:28 AM Sunset: 07:04 PM |
Moonrise:03:35 PM Moonset: 04:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Overcast |
2.3 ° C (36.1°F) |
10 ° C (50°F) |
6.3 ° C (43.4°F) |
% 74 | 0% | 0.9 | Sunrise:06:26 AM Sunset: 07:05 PM |
Moonrise:04:45 PM Moonset: 05:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Moderate rain |
3.4 ° C (38.1°F) |
7.5 ° C (45.4°F) |
5.7 ° C (42.3°F) |
% 91 | 86% | 0.2 | Sunrise:06:24 AM Sunset: 07:07 PM |
Moonrise:05:54 PM Moonset: 05:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Partly Cloudy |
3.6 ° C (38.5°F) |
14.7 ° C (58.5°F) |
9.3 ° C (48.7°F) |
% 80 | 0% | 0.9 | Sunrise:06:22 AM Sunset: 07:08 PM |
Moonrise:07:01 PM Moonset: 05:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Moderate rain |
0.7 ° C (33.3°F) |
3.7 ° C (38.6°F) |
2.4 ° C (36.4°F) |
% 83 | 80% | 0.2 | Sunrise:06:20 AM Sunset: 07:09 PM |
Moonrise:08:08 PM Moonset: 06:16 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Moderate rain |
0.8 ° C (33.5°F) |
2.3 ° C (36.2°F) |
1.6 ° C (34.9°F) |
% 95 | 61% | 0 | Sunrise:06:19 AM Sunset: 07:10 PM |
Moonrise:09:15 PM Moonset: 06:37 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday |  Patchy rain nearby |
0.1 ° C (32.2°F) |
2.2 ° C (36°F) |
1.4 ° C (34.5°F) |
% 94 | 81% | 1 | Sunrise:06:17 AM Sunset: 07:12 PM |
Moonrise:10:22 PM Moonset: 07:00 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Patchy rain nearby |
3.2 ° C (37.8°F) |
9.5 ° C (49.1°F) |
5.9 ° C (42.5°F) |
% 92 | 81% | 2 | Sunrise:06:15 AM Sunset: 07:13 PM |
Moonrise:11:28 PM Moonset: 07:28 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Partly Cloudy |
1.5 ° C (34.7°F) |
6.4 ° C (43.5°F) |
3.9 ° C (38.9°F) |
% 67 | 0% | 2 | Sunrise:06:13 AM Sunset: 07:14 PM |
Moonrise:No moonrise Moonset: 08:01 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Sunny |
-0.2 ° C (31.6°F) |
5.5 ° C (41.8°F) |
3.3 ° C (37.9°F) |
% 69 | 0% | 2 | Sunrise:06:12 AM Sunset: 07:15 PM |
Moonrise:12:29 AM Moonset: 08:43 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Overcast |
-3.4 ° C (25.8°F) |
0 ° C (32°F) |
-0.2 ° C (31.7°F) |
% 54 | 0% | 1 | Sunrise:06:10 AM Sunset: 07:16 PM |
Moonrise:01:25 AM Moonset: 09:33 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday |  Cloudy |
-3.8 ° C (25.2°F) |
5.6 ° C (42°F) |
1.1 ° C (33.9°F) |
% 47 | 0% | 1 | Sunrise:06:08 AM Sunset: 07:18 PM |
Moonrise:02:12 AM Moonset: 10:31 AM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Partly Cloudy |
3.8 ° C (38.8°F) |
14.5 ° C (58.2°F) |
9.6 ° C (49.2°F) |
% 76 | 0% | 3 | Sunrise:06:07 AM Sunset: 07:19 PM |
Moonrise:02:51 AM Moonset: 11:36 AM Moon Phase ( Last Quarter ) |
|
| 11 April 2026 Saturday | Sunny |
10.1 ° C (50.2°F) |
19.2 ° C (66.5°F) |
14.3 ° C (57.8°F) |
% 73 | 0% | 4 | Sunrise:06:05 AM Sunset: 07:20 PM |
Moonrise:03:23 AM Moonset: 12:44 PM Moon Phase ( Waning Crescent ) |
|
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