10-day forecast for Olney, IL: 47° to 77°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Thursday, October 29
64° · 0.62 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2876° / 47°0
Morning50°feels 49°
Afternoon75°feels 74°
Evening60°feels 59°
Overnight51°feels 50°
76 °
Olney, Wednesday, 28 October
Mostly clear. High 76°, low 47°.
Pressure30.24 inHg
Wind5.1 mph S
Humidity51%
Visibility6.2 mi
Dew point52°
Thu, 2977° / 51°0
Morning54°feels 53°
Afternoon76°feels 76°
Evening64°feels 64°
Overnight55°feels 54°
77 °
Olney, Thursday, 29 October
Clear. High 77°, low 51°.
Pressure30.18 inHg
Wind8.5 mph SW
Humidity51%
Visibility6.2 mi
Dew point53°
Fri, 3075° / 59°0
Morning60°feels 61°
Afternoon76°feels 76°
Evening65°feels 65°
Overnight59°feels 59°
75 °
Olney, Friday, 30 October
Partly cloudy. High 75°, low 59°.
Pressure30.24 inHg
Wind6 mph E
Humidity67%
Visibility6.2 mi
Dew point61°
Sat, 3169° / 57°0
Morning59°feels 59°
Afternoon68°feels 68°
Evening64°feels 64°
Overnight60°feels 60°
69 °
Olney, Saturday, 31 October
Overcast. High 69°, low 57°.
Pressure30.21 inHg
Wind4.9 mph SE
Humidity64%
Visibility—
Dew point55°
Sun, 0165° / 60°0.04
Morning62°feels 61°
Afternoon64°feels 64°
Evening62°feels 62°
Overnight61°feels 61°
65 °
Olney, Sunday, 1 November
Light rain. High 65°, low 60°.
Pressure30.21 inHg
Wind8.5 mph SE
Humidity78%
Visibility—
Dew point57°
Mon, 0269° / 60°0.07
Morning62°feels 62°
Afternoon66°feels 66°
Evening63°feels 63°
Overnight60°feels 60°
69 °
Olney, Monday, 2 November
Light rain. High 69°, low 60°.
Pressure29.83 inHg
Wind6.7 mph NE
Humidity75%
Visibility—
Dew point58°
Tue, 0362° / 57°0.03
Morning58°feels 58°
Afternoon62°feels 61°
Evening61°feels 61°
Overnight58°feels 57°
62 °
Olney, Tuesday, 3 November
Light rain. High 62°, low 57°.
Pressure29.91 inHg
Wind14 mph E
Humidity83%
Visibility—
Dew point56°
Wed, 0462° / 55°0.24
Morning57°feels 57°
Afternoon62°feels 61°
Evening62°feels 62°
Overnight61°feels 61°
62 °
Olney, Wednesday, 4 November
Rain. High 62°, low 55°.
Pressure29.77 inHg
Wind16.3 mph E
Humidity78%
Visibility—
Dew point54°
Thu, 0564° / 59°0.62
Morning61°feels 61°
Afternoon62°feels 62°
Evening60°feels 60°
Overnight60°feels 60°
64 °
Olney, Thursday, 5 November
Rain. High 64°, low 59°.
Pressure29.59 inHg
Wind13.6 mph SE
Humidity82%
Visibility—
Dew point57°
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.