Union Valley, OK Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union Valley, OK in one place.
Sunny, with a high near 103. Heat index values as high as 109. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Union Valley, OK 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: Aug 12, 2026 9:33 AM CDT.
The active forecast window currently covers Aug 12 to Aug 18, 2026 for Union Valley, OK.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 12 to Aug 18, 2026
- Latest sync
- Aug 12, 2026 9:33 AM CDT
- Forecast office
- OUN
- Source
- NOAA / NWS
Daily Outlook
This Week in Union Valley
Sunday looks like the warmest upcoming period in Union Valley at 105 degrees F.
Monday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Thursday at about 12 to 17 mph S.
The forecast from Aug 12 through Aug 18 stays mostly dry.
Forecast Details
- Last updated
- Aug 12, 2026 9:33 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- OUN
- Radar station
- KTLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 80. Heat index values as high as 106. South wind 9 to 14 mph, with gusts as high as 21 mph.
Sunny, with a high near 103. Heat index values as high as 107. South wind 12 to 17 mph, with gusts as high as 26 mph.
Clear, with a low around 79. Heat index values as high as 103. South wind 9 to 17 mph, with gusts as high as 26 mph.
Sunny, with a high near 103. South wind 10 to 15 mph, with gusts as high as 23 mph.
Mostly clear, with a low around 77.
Sunny, with a high near 102.
Clear, with a low around 77.
Sunny, with a high near 105.
Clear, with a low around 77.
Sunny, with a high near 105.
Mostly clear, with a low around 75.
Sunny, with a high near 104.
Mostly clear, with a low around 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Aug 12
|
Sunny
|
103°F |
9 to 14 mph
SSW
|
|
Tonight
Aug 12
|
Mostly Clear
|
80°F |
9 to 14 mph
S
|
|
Thursday
Aug 13
|
Sunny
|
103°F |
12 to 17 mph
S
|
|
Thursday Night
Aug 13
|
Clear
|
79°F |
9 to 17 mph
S
|
|
Friday
Aug 14
|
Sunny
|
103°F |
10 to 15 mph
S
|
|
Friday Night
Aug 14
|
Mostly Clear
|
77°F |
8 to 15 mph
S
|
|
Saturday
Aug 15
|
Sunny
|
102°F |
8 to 12 mph
SSW
|
|
Saturday Night
Aug 15
|
Clear
|
77°F |
6 to 13 mph
S
|
|
Sunday
Aug 16
|
Sunny
|
105°F |
9 mph
SW
|
|
Sunday Night
Aug 16
|
Clear
|
77°F |
5 to 9 mph
SSW
|
|
Monday
Aug 17
|
Sunny
|
105°F |
6 mph
SW
|
|
Monday Night
Aug 17
|
Mostly Clear
|
75°F |
7 mph
S
|
|
Tuesday
Aug 18
|
Sunny
|
104°F |
5 to 9 mph
SSW
|
|
Tuesday Night
Aug 18
|
Mostly Clear
|
76°F |
6 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union Valley.