10-day forecast for Olney, IL: 43° to 78°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Thursday, October 29
61° · 2.23 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2978° / 51°0
Morning55°feels 54°
Afternoon78°feels 77°
Evening67°feels 67°
Overnight53°feels 52°
78 °
Olney, Thursday, 29 October
Clear. High 78°, low 51°.
Pressure30.15 inHg
Wind8.4 mph SW
Humidity51%
Visibility6.2 mi
Dew point54°
Fri, 3075° / 61°0
Morning61°feels 61°
Afternoon75°feels 74°
Evening65°feels 65°
Overnight62°feels 63°
75 °
Olney, Friday, 30 October
Overcast. High 75°, low 61°.
Pressure30.27 inHg
Wind6.4 mph E
Humidity66%
Visibility6.2 mi
Dew point59°
Sat, 3171° / 58°0
Morning59°feels 57°
Afternoon70°feels 69°
Evening65°feels 64°
Overnight61°feels 60°
71 °
Olney, Saturday, 31 October
Overcast. High 71°, low 58°.
Pressure30.27 inHg
Wind5 mph SE
Humidity52%
Visibility6.2 mi
Dew point49°
Sun, 0173° / 58°0
Morning62°feels 62°
Afternoon72°feels 71°
Evening66°feels 66°
Overnight60°feels 59°
73 °
Olney, Sunday, 1 November
Overcast. High 73°, low 58°.
Pressure30.30 inHg
Wind8.3 mph SE
Humidity53%
Visibility—
Dew point53°
Mon, 0273° / 60°0.16
Morning64°feels 63°
Afternoon71°feels 70°
Evening66°feels 66°
Overnight64°feels 64°
73 °
Olney, Monday, 2 November
Light rain. High 73°, low 60°.
Pressure30.15 inHg
Wind14.3 mph SE
Humidity51%
Visibility—
Dew point51°
Tue, 0364° / 60°1.74
Morning62°feels 62°
Afternoon62°feels 62°
Evening61°feels 61°
Overnight60°feels 60°
64 °
Olney, Tuesday, 3 November
Heavy rain. High 64°, low 60°.
Pressure29.74 inHg
Wind17.9 mph SE
Humidity93%
Visibility—
Dew point60°
Wed, 0461° / 60°2.23
Morning60°feels 61°
Afternoon60°feels 61°
Evening61°feels 61°
Overnight60°feels 60°
61 °
Olney, Wednesday, 4 November
Rain. High 61°, low 60°.
Pressure29.77 inHg
Wind13.5 mph SE
Humidity96%
Visibility—
Dew point59°
Thu, 0558° / 50°0.16
Morning52°feels 51°
Afternoon54°feels 53°
Evening53°feels 53°
Overnight52°feels 51°
58 °
Olney, Thursday, 5 November
Light rain. High 58°, low 50°.
Pressure29.59 inHg
Wind12.9 mph S
Humidity87%
Visibility—
Dew point50°
Fri, 0654° / 43°0.01
Morning49°feels 44°
Afternoon51°feels 49°
Evening46°feels 41°
Overnight44°feels 39°
54 °
Olney, Friday, 6 November
Light rain. High 54°, low 43°.
Pressure30.03 inHg
Wind17.8 mph N
Humidity57%
Visibility—
Dew point37°
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 Olney, 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.