10-day forecast for Collinsville, OK: 75° to 115°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
115°
Best day: Tuesday, August 18
101°
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10104° / 79°0
Morning80°feels 82°
Afternoon102°feels 102°
Evening95°feels 95°
Overnight86°feels 86°
104 °
Collinsville, Monday, 10 August
Clear. High 104°, low 79°.
Pressure29.91 inHg
Wind14.9 mph S
Humidity34%
Visibility6.2 mi
Dew point65°
Tue, 11109° / 83°0
Morning84°feels 87°
Afternoon106°feels 107°
Evening99°feels 100°
Overnight86°feels 86°
109 °
Collinsville, Tuesday, 11 August
Clear. High 109°, low 83°.
Pressure29.88 inHg
Wind15.1 mph SW
Humidity30%
Visibility6.2 mi
Dew point64°
Wed, 12110° / 84°0
Morning86°feels 86°
Afternoon108°feels 108°
Evening102°feels 101°
Overnight90°feels 90°
110 °
Collinsville, Wednesday, 12 August
Partly cloudy. High 110°, low 84°.
Pressure29.83 inHg
Wind14.3 mph SW
Humidity23%
Visibility6.2 mi
Dew point59°
Thu, 13109° / 85°0
Morning86°feels 86°
Afternoon106°feels 106°
Evening105°feels 103°
Overnight90°feels 89°
109 °
Collinsville, Thursday, 13 August
Mostly clear. High 109°, low 85°.
Pressure29.77 inHg
Wind19.6 mph SW
Humidity20%
Visibility—
Dew point55°
Fri, 14111° / 86°0
Morning92°feels 93°
Afternoon107°feels 109°
Evening106°feels 105°
Overnight96°feels 93°
111 °
Collinsville, Friday, 14 August
Clear. High 111°, low 86°.
Pressure29.88 inHg
Wind19.4 mph S
Humidity23%
Visibility—
Dew point59°
Sat, 15111° / 82°0
Morning89°feels 88°
Afternoon107°feels 106°
Evening106°feels 104°
Overnight94°feels 92°
111 °
Collinsville, Saturday, 15 August
Clear. High 111°, low 82°.
Pressure30.00 inHg
Wind17.1 mph S
Humidity19%
Visibility—
Dew point53°
Sun, 16115° / 84°0.02
Morning92°feels 91°
Afternoon110°feels 109°
Evening101°feels 101°
Overnight87°feels 89°
115 °
Collinsville, Sunday, 16 August
Light rain. High 115°, low 84°.
Pressure29.97 inHg
Wind15.5 mph NW
Humidity17%
Visibility—
Dew point53°
Mon, 17109° / 75°0
Morning82°feels 84°
Afternoon102°feels 106°
Evening104°feels 104°
Overnight88°feels 87°
109 °
Collinsville, Monday, 17 August
Partly cloudy. High 109°, low 75°.
Pressure29.94 inHg
Wind16.6 mph N
Humidity32%
Visibility—
Dew point62°
Tue, 18115° / 83°0
Morning92°feels 89°
Afternoon113°feels 109°
Evening109°feels 105°
Overnight89°feels 87°
115 °
Collinsville, Tuesday, 18 August
Partly cloudy. High 115°, low 83°.
Pressure29.77 inHg
Wind16.6 mph SW
Humidity11%
Visibility—
Dew point43°
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 Collinsville, 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.