10-day forecast for Sidney, IL: 41° to 78°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Wednesday, October 14
66° · 0.59 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1578° / 66°0.53
Morning68°feels 69°
Afternoon76°feels 78°
Evening72°feels 73°
Overnight67°feels 67°
78 °
Sidney, Thursday, 15 October
Rain. High 78°, low 66°.
Pressure29.97 inHg
Wind10.3 mph S
Humidity94%
Visibility2.0 mi
Dew point70°
Fri, 1669° / 49°0.04
Morning54°feels 52°
Afternoon55°feels 53°
Evening52°feels 50°
Overnight62°feels 62°
69 °
Sidney, Friday, 16 October
Light rain. High 69°, low 49°.
Pressure30.09 inHg
Wind16.8 mph NW
Humidity49%
Visibility6.2 mi
Dew point37°
Sat, 1757° / 41°0
Morning42°feels 37°
Afternoon56°feels 54°
Evening50°feels 50°
Overnight45°feels 39°
57 °
Sidney, Saturday, 17 October
Clear. High 57°, low 41°.
Pressure30.56 inHg
Wind4.9 mph N
Humidity51%
Visibility6.2 mi
Dew point36°
Sun, 1862° / 41°0
Morning45°feels 41°
Afternoon59°feels 56°
Evening53°feels 50°
Overnight44°feels 40°
62 °
Sidney, Sunday, 18 October
Clear. High 62°, low 41°.
Pressure30.50 inHg
Wind7.6 mph S
Humidity39%
Visibility6.2 mi
Dew point32°
Mon, 1967° / 42°0
Morning49°feels 46°
Afternoon64°feels 63°
Evening59°feels 57°
Overnight53°feels 51°
67 °
Sidney, Monday, 19 October
Overcast. High 67°, low 42°.
Pressure30.42 inHg
Wind5.6 mph S
Humidity40%
Visibility—
Dew point37°
Tue, 2073° / 52°0
Morning57°feels 55°
Afternoon70°feels 69°
Evening64°feels 62°
Overnight58°feels 57°
73 °
Sidney, Tuesday, 20 October
Partly cloudy. High 73°, low 52°.
Pressure30.27 inHg
Wind6.5 mph E
Humidity41%
Visibility—
Dew point44°
Wed, 2176° / 56°0
Morning62°feels 61°
Afternoon75°feels 74°
Evening67°feels 67°
Overnight62°feels 62°
76 °
Sidney, Wednesday, 21 October
Clear. High 76°, low 56°.
Pressure30.18 inHg
Wind11.5 mph SW
Humidity44%
Visibility—
Dew point50°
Thu, 2266° / 59°0.59
Morning64°feels 63°
Afternoon62°feels 63°
Evening62°feels 62°
Overnight60°feels 59°
66 °
Sidney, Thursday, 22 October
Heavy rain. High 66°, low 59°.
Pressure30.06 inHg
Wind15.2 mph SW
Humidity94%
Visibility—
Dew point61°
Fri, 2370° / 52°0
Morning57°feels 56°
Afternoon68°feels 67°
Evening66°feels 66°
Overnight62°feels 62°
70 °
Sidney, Friday, 23 October
Overcast. High 70°, low 52°.
Pressure30.15 inHg
Wind12.2 mph SE
Humidity69%
Visibility—
Dew point55°
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 Sidney, 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.