10-day forecast for Post Oak, IL: 28° to 65°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Tuesday, November 10
44°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 0751° / 32°0
Morning38°feels 36°
Afternoon51°feels 48°
Evening40°feels 38°
Overnight34°feels 31°
51 °
Post Oak, Saturday, 7 November
Partly cloudy. High 51°, low 32°.
Pressure30.24 inHg
Wind4.4 mph NW
Humidity50%
Visibility6.2 mi
Dew point32°
Sun, 0861° / 36°0
Morning42°feels 38°
Afternoon61°feels 60°
Evening50°feels 47°
Overnight36°feels 33°
61 °
Post Oak, Sunday, 8 November
Clear. High 61°, low 36°.
Pressure30.12 inHg
Wind8.1 mph SW
Humidity57%
Visibility6.2 mi
Dew point43°
Mon, 0962° / 39°0
Morning44°feels 44°
Afternoon62°feels 60°
Evening48°feels 46°
Overnight44°feels 41°
62 °
Post Oak, Monday, 9 November
Clear. High 62°, low 39°.
Pressure30.18 inHg
Wind5.3 mph SW
Humidity50%
Visibility6.2 mi
Dew point42°
Tue, 1065° / 46°0
Morning51°feels 50°
Afternoon65°feels 64°
Evening54°feels 53°
Overnight48°feels 44°
65 °
Post Oak, Tuesday, 10 November
Clear. High 65°, low 46°.
Pressure30.06 inHg
Wind5.1 mph W
Humidity60%
Visibility6.2 mi
Dew point49°
Wed, 1165° / 43°0.1
Morning49°feels 49°
Afternoon62°feels 61°
Evening55°feels 54°
Overnight49°feels 49°
65 °
Post Oak, Wednesday, 11 November
Light rain. High 65°, low 43°.
Pressure29.91 inHg
Wind4.3 mph W
Humidity56%
Visibility—
Dew point45°
Thu, 1253° / 42°0.04
Morning47°feels 44°
Afternoon51°feels 48°
Evening42°feels 35°
Overnight43°feels 37°
53 °
Post Oak, Thursday, 12 November
Light rain. High 53°, low 42°.
Pressure29.83 inHg
Wind17 mph N
Humidity55%
Visibility—
Dew point37°
Fri, 1345° / 36°0.01
Morning39°feels 31°
Afternoon44°feels 37°
Evening37°feels 31°
Overnight36°feels 29°
45 °
Post Oak, Friday, 13 November
Light rain. High 45°, low 36°.
Pressure30.09 inHg
Wind16.1 mph N
Humidity41%
Visibility—
Dew point22°
Sat, 1444° / 29°0
Morning33°feels 26°
Afternoon42°feels 37°
Evening35°feels 29°
Overnight32°feels 26°
44 °
Post Oak, Saturday, 14 November
Clear. High 44°, low 29°.
Pressure30.21 inHg
Wind9.9 mph NW
Humidity47%
Visibility—
Dew point23°
Sun, 1549° / 28°0
Morning33°feels 29°
Afternoon46°feels 42°
Evening40°feels 36°
Overnight36°feels 31°
49 °
Post Oak, Sunday, 15 November
Partly cloudy. High 49°, low 28°.
Pressure30.27 inHg
Wind8.8 mph SW
Humidity29%
Visibility—
Dew point14°
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 Post Oak, IL 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.