South Union, ME Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for South Union, ME in one place.
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 48. West wind 0 to 10 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for South Union, ME is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 9, 2026 2:45 PM EST.
The active forecast window currently covers Nov 10 to Nov 15, 2026 for South Union, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 10 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 2:45 PM EST
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Union
Veterans Day looks like the warmest upcoming period in South Union at 49 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Veterans Day at about 5 to 15 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 2:45 PM EST
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 37. West wind 0 to 10 mph.
Sunny, with a high near 49. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 28.
Mostly sunny, with a high near 49.
A slight chance of rain between 10pm and 4am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
A chance of rain. Partly sunny, with a high near 47. Chance of precipitation is 30%.
A slight chance of rain before 7pm. Mostly cloudy, with a low around 29.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Nov 10
|
Mostly Sunny then Slight Chance Rain Showers
|
48°F |
0 to 10 mph
W
|
|
Tuesday Night
Nov 10
|
Slight Chance Rain Showers then Partly Cloudy
|
37°F |
0 to 10 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
49°F |
5 to 15 mph
NW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
28°F |
0 to 5 mph
NW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
49°F |
0 to 5 mph
NW
|
|
Thursday Night
Nov 12
|
Slight Chance Light Rain then Chance Rain And Snow
|
29°F |
0 to 10 mph
NE
|
|
Friday
Nov 13
|
Chance Rain And Snow
|
43°F |
10 to 15 mph
NE
|
|
Friday Night
Nov 13
|
Chance Rain And Snow
|
30°F |
10 to 15 mph
NE
|
|
Saturday
Nov 14
|
Chance Rain And Snow
|
45°F |
15 mph
N
|
|
Saturday Night
Nov 14
|
Chance Light Rain
|
31°F |
10 to 15 mph
N
|
|
Sunday
Nov 15
|
Chance Light Rain
|
47°F |
10 to 15 mph
NW
|
|
Sunday Night
Nov 15
|
Slight Chance Light Rain then Mostly Cloudy
|
29°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Union.