10-day forecast for Olney, IL: 40° to 74°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Saturday, October 24
68°
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2069° / 45°0
Morning49°feels 47°
Afternoon69°feels 67°
Evening56°feels 55°
Overnight47°feels 46°
69 °
Olney, Tuesday, 20 October
Clear. High 69°, low 45°.
Pressure30.36 inHg
Wind3.6 mph NE
Humidity46%
Visibility6.2 mi
Dew point45°
Wed, 2170° / 45°0
Morning48°feels 46°
Afternoon69°feels 68°
Evening59°feels 57°
Overnight49°feels 48°
70 °
Olney, Wednesday, 21 October
Clear. High 70°, low 45°.
Pressure30.30 inHg
Wind0.8 mph N
Humidity48%
Visibility6.2 mi
Dew point47°
Thu, 2269° / 47°0
Morning52°feels 50°
Afternoon69°feels 67°
Evening58°feels 57°
Overnight50°feels 49°
69 °
Olney, Thursday, 22 October
Clear. High 69°, low 47°.
Pressure30.30 inHg
Wind5.1 mph NE
Humidity55%
Visibility6.2 mi
Dew point49°
Fri, 2368° / 48°0
Morning53°feels 51°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight51°feels 50°
68 °
Olney, Friday, 23 October
Clear. High 68°, low 48°.
Pressure30.33 inHg
Wind7.2 mph E
Humidity49%
Visibility—
Dew point45°
Sat, 2474° / 48°0
Morning54°feels 52°
Afternoon69°feels 67°
Evening63°feels 61°
Overnight58°feels 56°
74 °
Olney, Saturday, 24 October
Overcast. High 74°, low 48°.
Pressure30.39 inHg
Wind8.5 mph S
Humidity45%
Visibility—
Dew point45°
Sun, 2565° / 56°0
Morning60°feels 58°
Afternoon64°feels 63°
Evening58°feels 56°
Overnight57°feels 54°
65 °
Olney, Sunday, 25 October
Overcast. High 65°, low 56°.
Pressure30.30 inHg
Wind11 mph SW
Humidity60%
Visibility—
Dew point50°
Mon, 2671° / 52°0
Morning58°feels 56°
Afternoon68°feels 67°
Evening62°feels 60°
Overnight60°feels 58°
71 °
Olney, Monday, 26 October
Overcast. High 71°, low 52°.
Pressure30.24 inHg
Wind10.5 mph S
Humidity39%
Visibility—
Dew point42°
Tue, 2769° / 54°0.02
Morning58°feels 56°
Afternoon67°feels 65°
Evening57°feels 55°
Overnight56°feels 55°
69 °
Olney, Tuesday, 27 October
Light rain. High 69°, low 54°.
Pressure30.12 inHg
Wind9.5 mph SW
Humidity34%
Visibility—
Dew point37°
Wed, 2868° / 56°0.02
Morning59°feels 58°
Afternoon67°feels 65°
Evening62°feels 60°
Overnight59°feels 58°
68 °
Olney, Wednesday, 28 October
Light rain. High 68°, low 56°.
Pressure30.12 inHg
Wind7.7 mph E
Humidity48%
Visibility—
Dew point46°
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.