10-day forecast for Posey, IL: 42° to 80°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, October 22
78° · 0.63 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1666° / 52°0.16
Morning53°feels 51°
Afternoon58°feels 55°
Evening53°feels 51°
Overnight62°feels 63°
66 °
Posey, Friday, 16 October
Rain. High 66°, low 52°.
Pressure30.18 inHg
Wind18.1 mph NW
Humidity49%
Visibility6.2 mi
Dew point38°
Sat, 1757° / 44°0
Morning44°feels 40°
Afternoon57°feels 54°
Evening51°feels 49°
Overnight49°feels 44°
57 °
Posey, Saturday, 17 October
Clear. High 57°, low 44°.
Pressure30.56 inHg
Wind5 mph NE
Humidity56%
Visibility6.2 mi
Dew point38°
Sun, 1862° / 42°0
Morning46°feels 43°
Afternoon61°feels 59°
Evening52°feels 50°
Overnight44°feels 44°
62 °
Posey, Sunday, 18 October
Clear. High 62°, low 42°.
Pressure30.50 inHg
Wind5.2 mph SE
Humidity46%
Visibility6.2 mi
Dew point37°
Mon, 1967° / 43°0
Morning50°feels 49°
Afternoon65°feels 63°
Evening58°feels 57°
Overnight46°feels 44°
67 °
Posey, Monday, 19 October
Mostly clear. High 67°, low 43°.
Pressure30.39 inHg
Wind4.7 mph S
Humidity46%
Visibility—
Dew point42°
Tue, 2070° / 47°0
Morning53°feels 53°
Afternoon69°feels 67°
Evening62°feels 60°
Overnight57°feels 56°
70 °
Posey, Tuesday, 20 October
Clear. High 70°, low 47°.
Pressure30.33 inHg
Wind6.9 mph SE
Humidity45%
Visibility—
Dew point45°
Wed, 2178° / 55°0
Morning61°feels 60°
Afternoon75°feels 74°
Evening66°feels 65°
Overnight61°feels 60°
78 °
Posey, Wednesday, 21 October
Clear. High 78°, low 55°.
Pressure30.30 inHg
Wind8.2 mph SE
Humidity35%
Visibility—
Dew point44°
Thu, 2280° / 57°0
Morning63°feels 62°
Afternoon78°feels 77°
Evening69°feels 67°
Overnight64°feels 62°
80 °
Posey, Thursday, 22 October
Mostly clear. High 80°, low 57°.
Pressure30.21 inHg
Wind11.2 mph S
Humidity34%
Visibility—
Dew point46°
Fri, 2379° / 63°0
Morning67°feels 66°
Afternoon76°feels 76°
Evening74°feels 74°
Overnight72°feels 71°
79 °
Posey, Friday, 23 October
Overcast. High 79°, low 63°.
Pressure30.09 inHg
Wind19.7 mph S
Humidity52%
Visibility—
Dew point56°
Sat, 2476° / 66°0.46
Morning67°feels 68°
Afternoon70°feels 71°
Evening66°feels 67°
Overnight66°feels 67°
76 °
Posey, Saturday, 24 October
Rain. High 76°, low 66°.
Pressure30.18 inHg
Wind11.9 mph S
Humidity75%
Visibility—
Dew point62°
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.