Union County, OR Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 64.
County Weather Overview
This county weather page brings together forecast coverage for Union County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 9:23 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Wednesday looks like the warmest upcoming period in Union County at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 6 to 15 mph NW.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 9:23 PM 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 37.
Sunny, with a high near 70.
Mostly clear, with a low around 40.
Sunny, with a high near 76.
Mostly clear, with a low around 44.
Sunny, with a high near 82.
Partly cloudy, with a low around 48.
Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
64°F |
6 to 15 mph
NW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
37°F |
2 to 15 mph
NW
|
|
Sunday
May 31
|
Sunny
|
70°F |
2 to 14 mph
NW
|
|
Sunday Night
May 31
|
Mostly Clear
|
40°F |
0 to 14 mph
W
|
|
Monday
Jun 1
|
Sunny
|
76°F |
0 to 8 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
44°F |
0 to 8 mph
NW
|
|
Tuesday
Jun 2
|
Sunny
|
82°F |
0 to 8 mph
N
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
48°F |
0 to 8 mph
NW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
83°F |
0 to 12 mph
N
|
Major City Forecasts
Live forecast snapshots for major cities across Union County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Union County.
Largest mapped city population in this region: 13,399.
