10-day forecast for Sidney, IL: 40° to 81°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Friday, October 23
78° · 0.31 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1578° / 64°0.31
Morning66°feels 66°
Afternoon76°feels 76°
Evening72°feels 73°
Overnight64°feels 64°
78 °
Sidney, Thursday, 15 October
Heavy rain. High 78°, low 64°.
Pressure30.00 inHg
Wind7.7 mph SE
Humidity62%
Visibility6.2 mi
Dew point63°
Fri, 1666° / 49°0.03
Morning52°feels 49°
Afternoon55°feels 52°
Evening51°feels 49°
Overnight63°feels 62°
66 °
Sidney, Friday, 16 October
Light rain. High 66°, low 49°.
Pressure30.09 inHg
Wind16.3 mph NW
Humidity52%
Visibility6.2 mi
Dew point36°
Sat, 1756° / 40°0
Morning41°feels 36°
Afternoon56°feels 53°
Evening50°feels 50°
Overnight45°feels 39°
56 °
Sidney, Saturday, 17 October
Clear. High 56°, low 40°.
Pressure30.56 inHg
Wind4.3 mph N
Humidity52%
Visibility6.2 mi
Dew point36°
Sun, 1862° / 40°0
Morning44°feels 41°
Afternoon61°feels 58°
Evening52°feels 49°
Overnight43°feels 39°
62 °
Sidney, Sunday, 18 October
Clear. High 62°, low 40°.
Pressure30.50 inHg
Wind7.7 mph S
Humidity38%
Visibility6.2 mi
Dew point31°
Mon, 1966° / 42°0
Morning48°feels 46°
Afternoon63°feels 61°
Evening57°feels 56°
Overnight51°feels 50°
66 °
Sidney, Monday, 19 October
Overcast. High 66°, low 42°.
Pressure30.39 inHg
Wind4.8 mph S
Humidity40%
Visibility—
Dew point36°
Tue, 2072° / 47°0
Morning53°feels 53°
Afternoon68°feels 66°
Evening65°feels 63°
Overnight59°feels 58°
72 °
Sidney, Tuesday, 20 October
Mostly clear. High 72°, low 47°.
Pressure30.33 inHg
Wind7.4 mph SE
Humidity40%
Visibility—
Dew point41°
Wed, 2174° / 54°0
Morning59°feels 58°
Afternoon71°feels 70°
Evening64°feels 62°
Overnight59°feels 57°
74 °
Sidney, Wednesday, 21 October
Mostly clear. High 74°, low 54°.
Pressure30.33 inHg
Wind7.6 mph SE
Humidity38%
Visibility—
Dew point43°
Thu, 2277° / 54°0
Morning60°feels 58°
Afternoon73°feels 72°
Evening66°feels 64°
Overnight61°feels 59°
77 °
Sidney, Thursday, 22 October
Clear. High 77°, low 54°.
Pressure30.24 inHg
Wind9.4 mph S
Humidity34%
Visibility—
Dew point42°
Fri, 2381° / 60°0
Morning65°feels 65°
Afternoon78°feels 77°
Evening73°feels 73°
Overnight71°feels 70°
81 °
Sidney, Friday, 23 October
Overcast. High 81°, low 60°.
Pressure30.09 inHg
Wind20.6 mph S
Humidity43%
Visibility—
Dew point52°
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.