10-day forecast for Posey, IL: 56° to 98°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Tuesday, August 11
79° · 0.34 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0994° / 74°0
Morning78°feels 79°
Afternoon92°feels 101°
Evening83°feels 87°
Overnight76°feels 77°
94 °
Posey, Sunday, 9 August
Partly cloudy. High 94°, low 74°.
Pressure30.00 inHg
Wind12.5 mph S
Humidity60%
Visibility6.2 mi
Dew point71°
Mon, 1097° / 75°0
Morning78°feels 79°
Afternoon96°feels 103°
Evening85°feels 89°
Overnight78°feels 79°
97 °
Posey, Monday, 10 August
Mostly clear. High 97°, low 75°.
Pressure29.97 inHg
Wind13.3 mph SW
Humidity53%
Visibility6.2 mi
Dew point72°
Tue, 1198° / 76°0
Morning79°feels 80°
Afternoon95°feels 102°
Evening90°feels 94°
Overnight82°feels 85°
98 °
Posey, Tuesday, 11 August
Partly cloudy. High 98°, low 76°.
Pressure29.91 inHg
Wind11.4 mph SW
Humidity48%
Visibility6.2 mi
Dew point71°
Wed, 1293° / 71°0.24
Morning76°feels 77°
Afternoon73°feels 74°
Evening79°feels 83°
Overnight70°feels 71°
93 °
Posey, Wednesday, 12 August
Light rain. High 93°, low 71°.
Pressure29.83 inHg
Wind10.3 mph W
Humidity53%
Visibility6.2 mi
Dew point71°
Thu, 1379° / 71°0.34
Morning74°feels 75°
Afternoon78°feels 79°
Evening73°feels 74°
Overnight71°feels 73°
79 °
Posey, Thursday, 13 August
Rain. High 79°, low 71°.
Pressure29.88 inHg
Wind7.5 mph S
Humidity79%
Visibility—
Dew point71°
Fri, 1477° / 63°0.03
Morning68°feels 68°
Afternoon76°feels 76°
Evening69°feels 70°
Overnight63°feels 63°
77 °
Posey, Friday, 14 August
Light rain. High 77°, low 63°.
Pressure30.15 inHg
Wind11.5 mph NE
Humidity49%
Visibility—
Dew point55°
Sat, 1579° / 56°0
Morning62°feels 62°
Afternoon76°feels 75°
Evening69°feels 69°
Overnight62°feels 62°
79 °
Posey, Saturday, 15 August
Partly cloudy. High 79°, low 56°.
Pressure30.27 inHg
Wind8.2 mph E
Humidity46%
Visibility—
Dew point52°
Sun, 1681° / 60°0.04
Morning66°feels 66°
Afternoon80°feels 80°
Evening74°feels 75°
Overnight70°feels 71°
81 °
Posey, Sunday, 16 August
Light rain. High 81°, low 60°.
Pressure30.18 inHg
Wind9.9 mph S
Humidity51%
Visibility—
Dew point58°
Mon, 1795° / 70°0.25
Morning77°feels 80°
Afternoon89°feels 97°
Evening84°feels 92°
Overnight77°feels 78°
95 °
Posey, Monday, 17 August
Rain. High 95°, low 70°.
Pressure29.94 inHg
Wind18.1 mph S
Humidity57%
Visibility—
Dew point70°
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 Posey, 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.