10-day forecast for Olney, IL: 46° to 78°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Thursday, October 29
63° · 0.64 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2776° / 48°0
Morning51°feels 50°
Afternoon74°feels 73°
Evening58°feels 57°
Overnight52°feels 50°
76 °
Olney, Tuesday, 27 October
Overcast. High 76°, low 48°.
Pressure30.27 inHg
Wind4.2 mph S
Humidity50%
Visibility6.2 mi
Dew point51°
Wed, 2877° / 47°0
Morning51°feels 50°
Afternoon74°feels 73°
Evening63°feels 62°
Overnight52°feels 51°
77 °
Olney, Wednesday, 28 October
Clear. High 77°, low 47°.
Pressure30.24 inHg
Wind6.1 mph S
Humidity48%
Visibility6.2 mi
Dew point51°
Thu, 2978° / 54°0
Morning55°feels 54°
Afternoon77°feels 76°
Evening67°feels 66°
Overnight56°feels 55°
78 °
Olney, Thursday, 29 October
Clear. High 78°, low 54°.
Pressure30.18 inHg
Wind8.5 mph SW
Humidity49%
Visibility6.2 mi
Dew point53°
Fri, 3077° / 56°0
Morning59°feels 59°
Afternoon75°feels 75°
Evening66°feels 66°
Overnight59°feels 59°
77 °
Olney, Friday, 30 October
Overcast. High 77°, low 56°.
Pressure30.21 inHg
Wind5.2 mph E
Humidity67%
Visibility6.2 mi
Dew point60°
Sat, 3170° / 59°0
Morning62°feels 62°
Afternoon67°feels 67°
Evening65°feels 64°
Overnight62°feels 62°
70 °
Olney, Saturday, 31 October
Overcast. High 70°, low 59°.
Pressure30.15 inHg
Wind6.9 mph E
Humidity68%
Visibility—
Dew point56°
Sun, 0166° / 60°0.39
Morning62°feels 62°
Afternoon63°feels 63°
Evening61°feels 61°
Overnight61°feels 61°
66 °
Olney, Sunday, 1 November
Rain. High 66°, low 60°.
Pressure29.94 inHg
Wind9.6 mph SE
Humidity94%
Visibility—
Dew point61°
Mon, 0265° / 55°0.06
Morning57°feels 57°
Afternoon63°feels 62°
Evening60°feels 60°
Overnight60°feels 59°
65 °
Olney, Monday, 2 November
Light rain. High 65°, low 55°.
Pressure29.85 inHg
Wind12.5 mph SE
Humidity70%
Visibility—
Dew point52°
Tue, 0363° / 51°0.64
Morning60°feels 60°
Afternoon54°feels 52°
Evening51°feels 49°
Overnight53°feels 51°
63 °
Olney, Tuesday, 3 November
Rain. High 63°, low 51°.
Pressure29.56 inHg
Wind17.1 mph W
Humidity79%
Visibility—
Dew point49°
Wed, 0456° / 46°0.01
Morning49°feels 46°
Afternoon55°feels 52°
Evening49°feels 43°
Overnight47°feels 42°
56 °
Olney, Wednesday, 4 November
Light rain. High 56°, low 46°.
Pressure29.80 inHg
Wind14.6 mph NW
Humidity58%
Visibility—
Dew point40°
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.