Union, OR Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union, OR in one place.
A slight chance of rain showers before 11am. Mostly sunny, with a high near 64. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Union, OR 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: May 28, 2026 12:06 AM PDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Union, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 12:06 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Wednesday looks like the warmest upcoming period in Union at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Saturday at about 14 to 20 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 28, 2026 12:06 AM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 38.
Sunny, with a high near 69.
Mostly clear, with a low around 40.
Sunny, with a high near 75.
Mostly clear, with a low around 44.
Sunny, with a high near 81.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Slight Chance Rain Showers then Mostly Sunny
|
64°F |
14 to 20 mph
NW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
38°F |
5 to 20 mph
NW
|
|
Sunday
May 31
|
Sunny
|
69°F |
5 to 16 mph
NW
|
|
Sunday Night
May 31
|
Mostly Clear
|
40°F |
2 to 16 mph
NW
|
|
Monday
Jun 1
|
Sunny
|
75°F |
2 to 10 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
44°F |
1 to 10 mph
N
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
1 to 9 mph
N
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
47°F |
2 to 9 mph
N
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
83°F |
2 to 13 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.
