Union, OR Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union, OR in one place.
Sunny. High near 70, with temperatures falling to around 66 in the afternoon. South wind 5 to 8 mph.
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: Oct 15, 2026 3:46 PM PDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Union, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:46 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
This Afternoon looks like the warmest upcoming period in Union at 70 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday Night at about 18 to 24 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:46 PM PDT
- Coverage
- 8 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
Mostly clear. Low around 41, with temperatures rising to around 43 overnight. South wind 8 to 22 mph, with gusts as high as 29 mph.
Sunny. High near 70, with temperatures falling to around 66 in the afternoon. South wind 18 to 23 mph, with gusts as high as 33 mph.
Partly cloudy, with a low around 43. South wind 18 to 24 mph, with gusts as high as 33 mph.
Mostly sunny, with a high near 70. West wind 7 to 18 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 36.
Sunny, with a high near 68.
Partly cloudy, with a low around 37.
Partly sunny, with a high near 67.
Mostly cloudy, with a low around 36.
A slight chance of rain showers after 11am. Partly sunny, with a high near 60.
A slight chance of rain showers before 5am. Partly cloudy, with a low around 35.
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 62.
A chance of rain showers. Partly cloudy, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Sunny
|
70°F |
5 to 8 mph
S
|
|
Tonight
Oct 15
|
Mostly Clear
|
41°F |
8 to 22 mph
S
|
|
Friday
Oct 16
|
Sunny
|
70°F |
18 to 23 mph
S
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
43°F |
18 to 24 mph
S
|
|
Saturday
Oct 17
|
Mostly Sunny
|
70°F |
7 to 18 mph
W
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
36°F |
1 to 9 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
0 to 7 mph
SE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
37°F |
6 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
67°F |
3 to 12 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
36°F |
3 to 8 mph
N
|
|
Tuesday
Oct 20
|
Slight Chance Rain Showers
|
60°F |
3 to 8 mph
NW
|
|
Tuesday Night
Oct 20
|
Slight Chance Rain Showers
|
35°F |
2 to 7 mph
NW
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
62°F |
1 to 5 mph
NW
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
36°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.
