Union County, OR Weather Forecast

County weather hub

69°
F

Sunny

Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Thursday, October 15, 2026
Wind: 1 to 5 mph NW
Thursday

Sunny, with a high near 69.

County weather hub

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
Oct 15 to Oct 17, 2026
Latest sync
Oct 11, 2026 2:27 AM PDT
Forecast office
PDT
Source
NOAA / NWS
Next High
69°F
Thursday
Next Low
35°F
Thursday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
14 to 26 mph
Friday Night

Daily Outlook

Today
Oct 15
Sunny
69 °F
/ 35°F
Wind 1 to 5 mph
Fri
Oct 16
Sunny
71 °F
/ 41°F
Wind 14 to 23 mph
Sat
Oct 17
Sunny
71 °F
Wind 8 to 26 mph

This Week in Union County

Friday looks like the warmest upcoming period in Union County at 71 degrees F.

Thursday Night is the coolest period ahead with temperatures near 35 degrees F.

The strongest winds are forecast for Friday Night at about 14 to 26 mph S.

The forecast from Oct 15 through Oct 17 stays mostly dry.

Forecast Details

Last updated
Oct 11, 2026 2:27 AM PDT
Coverage
3 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 source

Extended Forecast

Thursday Night
Oct 15
35°F
Mostly Clear
5 to 23 mph S

Mostly clear, with a low around 35.

Friday
Oct 16
71°F
Sunny
14 to 23 mph SE

Sunny, with a high near 71.

Friday Night
Oct 16
41°F
Mostly Clear
14 to 26 mph S

Mostly clear, with a low around 41.

Saturday
Oct 17
71°F
Sunny
8 to 26 mph S

Sunny, with a high near 71.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Oct 15
Sunny
69°F
1 to 5 mph
NW
Thursday Night
Oct 15
Mostly Clear
35°F
5 to 23 mph
S
Friday
Oct 16
Sunny
71°F
14 to 23 mph
SE
Friday Night
Oct 16
Mostly Clear
41°F
14 to 26 mph
S
Saturday
Oct 17
Sunny
71°F
8 to 26 mph
S

Coverage

Tracked cities
3
Coverage
100%

Forecast coverage currently spans 3 of 3 mapped cities in Union County.

Largest mapped city population in this region: 13,399.

Union County Courthouse  La Grande  Oregon
Union County Courthouse La Grande Oregon image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.