Union Weather Forecast 15 Days, Weather in Union Today
Current weather conditions and 15 day weather forecast for Union, 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 Union
| 10 May 2026 Sunday 13.1 ° C / 55.6°F  Overcast |
Feels Like : 12.1 ° C / 53.8°F Humidity : % 88 Pressure : 1014 mb Wind Speed : 11.9 kmph / 7.4 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 100 |
15 day weather forecast for Union, ME, USA
Weather Forecast for next 15 Days for Union 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 Union, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 May 2026 Sunday |  Patchy rain nearby |
8.6 ° C (47.5°F) |
16.9 ° C (62.4°F) |
11.7 ° C (53°F) |
% 93 | 88% | 6.2 | Sunrise:05:16 AM Sunset: 07:51 PM |
Moonrise:02:10 AM Moonset: 12:40 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday |  Partly Cloudy |
5.9 ° C (42.7°F) |
13.5 ° C (56.4°F) |
9.9 ° C (49.7°F) |
% 70 | 0% | 1.1 | Sunrise:05:14 AM Sunset: 07:52 PM |
Moonrise:02:30 AM Moonset: 01:50 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Partly Cloudy |
4.2 ° C (39.5°F) |
12.8 ° C (55°F) |
8.4 ° C (47.2°F) |
% 61 | 0% | 1.2 | Sunrise:05:13 AM Sunset: 07:53 PM |
Moonrise:02:49 AM Moonset: 03:02 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
3.7 ° C (38.6°F) |
11.5 ° C (52.6°F) |
8 ° C (46.5°F) |
% 68 | 89% | 2 | Sunrise:05:12 AM Sunset: 07:54 PM |
Moonrise:03:09 AM Moonset: 04:17 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Moderate rain |
8.2 ° C (46.7°F) |
9.6 ° C (49.2°F) |
8.9 ° C (48°F) |
% 96 | 86% | 2 | Sunrise:05:11 AM Sunset: 07:56 PM |
Moonrise:03:31 AM Moonset: 05:36 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
8.6 ° C (47.4°F) |
14.8 ° C (58.7°F) |
10.5 ° C (50.9°F) |
% 91 | 83% | 3 | Sunrise:05:10 AM Sunset: 07:57 PM |
Moonrise:03:56 AM Moonset: 06:59 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Partly Cloudy |
8.3 ° C (46.9°F) |
14.4 ° C (57.9°F) |
10.9 ° C (51.7°F) |
% 81 | 0% | 4 | Sunrise:05:09 AM Sunset: 07:58 PM |
Moonrise:04:27 AM Moonset: 08:24 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
6.7 ° C (44°F) |
12.4 ° C (54.4°F) |
9.7 ° C (49.4°F) |
% 85 | 70% | 2 | Sunrise:05:08 AM Sunset: 07:59 PM |
Moonrise:05:09 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
9.7 ° C (49.4°F) |
15.1 ° C (59.2°F) |
12.5 ° C (54.5°F) |
% 94 | 83% | 3 | Sunrise:05:07 AM Sunset: 08:00 PM |
Moonrise:06:04 AM Moonset: 10:55 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday |  Sunny |
10.9 ° C (51.5°F) |
17.9 ° C (64.2°F) |
13.8 ° C (56.9°F) |
% 71 | 0% | 4 | Sunrise:05:06 AM Sunset: 08:01 PM |
Moonrise:07:13 AM Moonset: 11:51 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Partly Cloudy |
9.6 ° C (49.4°F) |
18.2 ° C (64.7°F) |
13.7 ° C (56.6°F) |
% 68 | 0% | 4 | Sunrise:05:05 AM Sunset: 08:02 PM |
Moonrise:08:30 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
8.9 ° C (48.1°F) |
17.8 ° C (64°F) |
13.9 ° C (57.1°F) |
% 87 | 86% | 3 | Sunrise:05:04 AM Sunset: 08:03 PM |
Moonrise:09:51 AM Moonset: 12:31 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Moderate rain |
11.3 ° C (52.3°F) |
16.8 ° C (62.2°F) |
14.9 ° C (58.8°F) |
% 91 | 78% | 3 | Sunrise:05:03 AM Sunset: 08:04 PM |
Moonrise:11:09 AM Moonset: 01:02 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
7.5 ° C (45.6°F) |
15.8 ° C (60.5°F) |
11.5 ° C (52.7°F) |
% 52 | 0% | 4 | Sunrise:05:02 AM Sunset: 08:05 PM |
Moonrise:12:22 PM Moonset: 01:27 AM Moon Phase ( First Quarter ) |
|
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