10-day forecast for Union, OK: 74° to 111°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
111°
Best day: Monday, August 17
104°
Worst day: Saturday, August 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 09108° / 74°0
Morning78°feels 78°
Afternoon100°feels 95°
Evening89°feels 85°
Overnight79°feels 79°
108 °
Union, Sunday, 9 August
Clear. High 108°, low 74°.
Pressure29.88 inHg
Wind14.2 mph SW
Humidity21%
Visibility6.2 mi
Dew point55°
Mon, 10108° / 77°0
Morning80°feels 81°
Afternoon106°feels 104°
Evening100°feels 98°
Overnight81°feels 80°
108 °
Union, Monday, 10 August
Clear. High 108°, low 77°.
Pressure29.88 inHg
Wind17.3 mph SW
Humidity24%
Visibility6.2 mi
Dew point58°
Tue, 11109° / 85°0
Morning86°feels 86°
Afternoon107°feels 105°
Evening102°feels 99°
Overnight88°feels 87°
109 °
Union, Tuesday, 11 August
Clear. High 109°, low 85°.
Pressure29.85 inHg
Wind16.8 mph SW
Humidity22%
Visibility6.2 mi
Dew point58°
Wed, 12108° / 85°0
Morning88°feels 86°
Afternoon107°feels 107°
Evening103°feels 102°
Overnight87°feels 85°
108 °
Union, Wednesday, 12 August
Overcast. High 108°, low 85°.
Pressure29.77 inHg
Wind18.2 mph SW
Humidity22%
Visibility6.2 mi
Dew point58°
Thu, 13110° / 87°0.02
Morning92°feels 91°
Afternoon106°feels 105°
Evening106°feels 104°
Overnight95°feels 92°
110 °
Union, Thursday, 13 August
Light rain. High 110°, low 87°.
Pressure29.71 inHg
Wind22.7 mph SW
Humidity20%
Visibility—
Dew point54°
Fri, 14110° / 87°0
Morning93°feels 92°
Afternoon107°feels 108°
Evening105°feels 103°
Overnight94°feels 91°
110 °
Union, Friday, 14 August
Partly cloudy. High 110°, low 87°.
Pressure29.83 inHg
Wind20.8 mph SW
Humidity21%
Visibility—
Dew point57°
Sat, 15108° / 75°0
Morning83°feels 84°
Afternoon104°feels 103°
Evening105°feels 102°
Overnight92°feels 90°
108 °
Union, Saturday, 15 August
Clear. High 108°, low 75°.
Pressure30.00 inHg
Wind13.2 mph SW
Humidity22%
Visibility—
Dew point54°
Sun, 16107° / 83°0
Morning90°feels 89°
Afternoon107°feels 106°
Evening102°feels 100°
Overnight92°feels 90°
107 °
Union, Sunday, 16 August
Clear. High 107°, low 83°.
Pressure29.97 inHg
Wind14.6 mph S
Humidity19%
Visibility—
Dew point53°
Mon, 17111° / 82°0
Morning89°feels 88°
Afternoon107°feels 104°
Evening104°feels 101°
Overnight88°feels 86°
111 °
Union, Monday, 17 August
Overcast. High 111°, low 82°.
Pressure29.94 inHg
Wind16.2 mph SW
Humidity16%
Visibility—
Dew point48°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Union, OK around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.