Union, ME Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Union, ME in one place.
Partly cloudy, with a low around 57. North wind around 5 mph.
Local Weather Overview
This forecast page for 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: Jul 17, 2026 7:45 AM EDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Union, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 7:45 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Thursday looks like the warmest upcoming period in Union at 81 degrees F.
Overnight is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Saturday at about 0 to 15 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 7:45 AM EDT
- Coverage
- 7 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
Sunny, with a high near 79. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 57. Northwest wind 0 to 5 mph.
Areas of smoke after 11am. Partly sunny, with a high near 76. South wind 0 to 15 mph, with gusts as high as 25 mph.
Areas of smoke and scattered rain showers before 7pm, then rain showers likely and areas of smoke between 7pm and 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunny, with a high near 78.
Mostly clear, with a low around 57.
Sunny, with a high near 79.
Partly cloudy, with a low around 60.
A slight chance of rain showers after 4pm. Partly sunny, with a high near 78.
A chance of rain showers before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 80%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 17
|
Partly Cloudy
|
57°F |
5 mph
N
|
|
Friday
Jul 17
|
Sunny
|
79°F |
5 to 10 mph
NW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
57°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Areas Of Smoke
|
76°F |
0 to 15 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
63°F |
10 to 15 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
78°F |
10 to 15 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
57°F |
5 to 10 mph
W
|
|
Monday
Jul 20
|
Sunny
|
79°F |
5 to 10 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
60°F |
0 to 5 mph
SW
|
|
Tuesday
Jul 21
|
Partly Sunny then Slight Chance Rain Showers
|
78°F |
5 to 15 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
61°F |
5 to 10 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely
|
80°F |
10 mph
S
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
0 to 10 mph
W
|
|
Thursday
Jul 23
|
Mostly Sunny
|
81°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.
