10-day forecast for Rio, IL: 51° to 76°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Sunday, October 25
60° · 0.18 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2671° / 52°0
Morning54°feels 53°
Afternoon70°feels 70°
Evening60°feels 59°
Overnight55°feels 53°
71 °
Rio, Monday, 26 October
Overcast. High 71°, low 52°.
Pressure30.30 inHg
Wind3.8 mph SE
Humidity58%
Visibility6.2 mi
Dew point53°
Tue, 2770° / 51°0
Morning55°feels 54°
Afternoon69°feels 68°
Evening63°feels 62°
Overnight53°feels 53°
70 °
Rio, Tuesday, 27 October
Mostly clear. High 70°, low 51°.
Pressure30.21 inHg
Wind9.1 mph S
Humidity58%
Visibility6.2 mi
Dew point52°
Wed, 2871° / 54°0
Morning55°feels 54°
Afternoon71°feels 70°
Evening62°feels 61°
Overnight58°feels 57°
71 °
Rio, Wednesday, 28 October
Overcast. High 71°, low 54°.
Pressure30.18 inHg
Wind6.1 mph S
Humidity66%
Visibility6.2 mi
Dew point53°
Thu, 2969° / 58°0.05
Morning60°feels 60°
Afternoon68°feels 69°
Evening61°feels 61°
Overnight60°feels 59°
69 °
Rio, Thursday, 29 October
Light rain. High 69°, low 58°.
Pressure30.06 inHg
Wind8.9 mph SW
Humidity75%
Visibility6.2 mi
Dew point59°
Fri, 3068° / 53°0
Morning57°feels 56°
Afternoon65°feels 65°
Evening62°feels 62°
Overnight58°feels 58°
68 °
Rio, Friday, 30 October
Overcast. High 68°, low 53°.
Pressure30.18 inHg
Wind6.4 mph E
Humidity74%
Visibility—
Dew point56°
Sat, 3160° / 53°0.18
Morning57°feels 56°
Afternoon58°feels 57°
Evening53°feels 52°
Overnight53°feels 53°
60 °
Rio, Saturday, 31 October
Light rain. High 60°, low 53°.
Pressure30.18 inHg
Wind14.8 mph SE
Humidity69%
Visibility—
Dew point49°
Sun, 0161° / 52°0.19
Morning55°feels 55°
Afternoon60°feels 59°
Evening56°feels 56°
Overnight55°feels 54°
61 °
Rio, Sunday, 1 November
Light rain. High 61°, low 52°.
Pressure30.15 inHg
Wind8.4 mph SE
Humidity73%
Visibility—
Dew point51°
Mon, 0258° / 53°0.01
Morning55°feels 55°
Afternoon58°feels 57°
Evening54°feels 54°
Overnight54°feels 53°
58 °
Rio, Monday, 2 November
Light rain. High 58°, low 53°.
Pressure30.12 inHg
Wind9.9 mph E
Humidity81%
Visibility—
Dew point52°
Tue, 0364° / 51°0
Morning54°feels 53°
Afternoon61°feels 60°
Evening56°feels 55°
Overnight53°feels 52°
64 °
Rio, Tuesday, 3 November
Overcast. High 64°, low 51°.
Pressure30.09 inHg
Wind11.9 mph E
Humidity57%
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 Rio, 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.