10-day forecast for Olney, IL: 48° 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
62° · 1.35 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2977° / 51°0
Morning54°feels 54°
Afternoon77°feels 77°
Evening64°feels 63°
Overnight53°feels 52°
77 °
Olney, Thursday, 29 October
Clear. High 77°, low 51°.
Pressure30.18 inHg
Wind8.5 mph SW
Humidity53%
Visibility6.2 mi
Dew point54°
Fri, 3076° / 55°0
Morning62°feels 62°
Afternoon75°feels 75°
Evening66°feels 65°
Overnight62°feels 62°
76 °
Olney, Friday, 30 October
Overcast. High 76°, low 55°.
Pressure30.27 inHg
Wind7 mph E
Humidity67%
Visibility6.2 mi
Dew point61°
Sat, 3169° / 58°0
Morning58°feels 56°
Afternoon68°feels 67°
Evening63°feels 62°
Overnight60°feels 59°
69 °
Olney, Saturday, 31 October
Overcast. High 69°, low 58°.
Pressure30.27 inHg
Wind4.7 mph SE
Humidity53%
Visibility6.2 mi
Dew point49°
Sun, 0172° / 58°0.01
Morning60°feels 59°
Afternoon70°feels 70°
Evening63°feels 63°
Overnight59°feels 58°
72 °
Olney, Sunday, 1 November
Light rain. High 72°, low 58°.
Pressure30.24 inHg
Wind8.9 mph SE
Humidity56%
Visibility—
Dew point53°
Mon, 0270° / 58°0.14
Morning63°feels 62°
Afternoon69°feels 68°
Evening65°feels 65°
Overnight63°feels 62°
70 °
Olney, Monday, 2 November
Rain. High 70°, low 58°.
Pressure30.15 inHg
Wind11.9 mph S
Humidity61%
Visibility—
Dew point54°
Tue, 0362° / 61°1.35
Morning61°feels 61°
Afternoon61°feels 62°
Evening61°feels 61°
Overnight61°feels 61°
62 °
Olney, Tuesday, 3 November
Rain. High 62°, low 61°.
Pressure29.85 inHg
Wind14.7 mph SE
Humidity95%
Visibility—
Dew point60°
Wed, 0463° / 60°0.65
Morning62°feels 62°
Afternoon63°feels 63°
Evening62°feels 62°
Overnight61°feels 61°
63 °
Olney, Wednesday, 4 November
Rain. High 63°, low 60°.
Pressure29.74 inHg
Wind16.2 mph SE
Humidity87%
Visibility—
Dew point59°
Thu, 0566° / 60°0.82
Morning62°feels 62°
Afternoon65°feels 65°
Evening60°feels 61°
Overnight60°feels 60°
66 °
Olney, Thursday, 5 November
Rain. High 66°, low 60°.
Pressure29.59 inHg
Wind12.6 mph NW
Humidity78%
Visibility—
Dew point58°
Fri, 0660° / 48°0.02
Morning55°feels 54°
Afternoon58°feels 56°
Evening50°feels 47°
Overnight49°feels 46°
60 °
Olney, Friday, 6 November
Light rain. High 60°, low 48°.
Pressure29.94 inHg
Wind13.9 mph N
Humidity53%
Visibility—
Dew point42°
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.