10-day forecast for Posey, IL: 39° to 78°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Saturday, October 24
59°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1863° / 39°0
Morning41°feels 38°
Afternoon62°feels 61°
Evening54°feels 53°
Overnight42°feels 40°
63 °
Posey, Sunday, 18 October
Clear. High 63°, low 39°.
Pressure30.47 inHg
Wind7.2 mph S
Humidity47%
Visibility6.2 mi
Dew point39°
Mon, 1967° / 44°0
Morning45°feels 45°
Afternoon66°feels 65°
Evening55°feels 54°
Overnight48°feels 47°
67 °
Posey, Monday, 19 October
Clear. High 67°, low 44°.
Pressure30.39 inHg
Wind1 mph SE
Humidity51%
Visibility6.2 mi
Dew point45°
Tue, 2068° / 48°0
Morning50°feels 49°
Afternoon68°feels 67°
Evening59°feels 57°
Overnight50°feels 50°
68 °
Posey, Tuesday, 20 October
Mostly clear. High 68°, low 48°.
Pressure30.39 inHg
Wind2.5 mph E
Humidity49%
Visibility6.2 mi
Dew point47°
Wed, 2170° / 48°0
Morning52°feels 51°
Afternoon69°feels 68°
Evening60°feels 59°
Overnight51°feels 49°
70 °
Posey, Wednesday, 21 October
Clear. High 70°, low 48°.
Pressure30.30 inHg
Wind2.1 mph E
Humidity54%
Visibility6.2 mi
Dew point49°
Thu, 2271° / 50°0
Morning56°feels 55°
Afternoon69°feels 68°
Evening62°feels 61°
Overnight56°feels 55°
71 °
Posey, Thursday, 22 October
Clear. High 71°, low 50°.
Pressure30.24 inHg
Wind3.6 mph NE
Humidity46%
Visibility—
Dew point46°
Fri, 2374° / 52°0
Morning57°feels 56°
Afternoon69°feels 68°
Evening63°feels 60°
Overnight59°feels 57°
74 °
Posey, Friday, 23 October
Clear. High 74°, low 52°.
Pressure30.27 inHg
Wind8.8 mph E
Humidity47%
Visibility—
Dew point47°
Sat, 2478° / 55°0
Morning61°feels 58°
Afternoon73°feels 72°
Evening66°feels 64°
Overnight62°feels 60°
78 °
Posey, Saturday, 24 October
Overcast. High 78°, low 55°.
Pressure30.27 inHg
Wind10.6 mph S
Humidity23%
Visibility—
Dew point32°
Sun, 2569° / 52°0
Morning60°feels 58°
Afternoon67°feels 65°
Evening56°feels 54°
Overnight53°feels 50°
69 °
Posey, Sunday, 25 October
Overcast. High 69°, low 52°.
Pressure30.36 inHg
Wind12.7 mph NW
Humidity46%
Visibility—
Dew point46°
Mon, 2663° / 48°0
Morning52°feels 48°
Afternoon59°feels 56°
Evening53°feels 50°
Overnight49°feels 48°
63 °
Posey, Monday, 26 October
Overcast. High 63°, low 48°.
Pressure30.39 inHg
Wind8.9 mph N
Humidity28%
Visibility—
Dew point26°
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.