10-day forecast for Rio, IL: 30° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Sunday, October 25
63° · 0.23 in
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2173° / 44°0
Morning48°feels 46°
Afternoon72°feels 71°
Evening57°feels 55°
Overnight48°feels 46°
73 °
Rio, Wednesday, 21 October
Clear. High 73°, low 44°.
Pressure30.27 inHg
Wind5 mph SW
Humidity49%
Visibility6.2 mi
Dew point48°
Thu, 2271° / 50°0
Morning50°feels 49°
Afternoon71°feels 70°
Evening59°feels 58°
Overnight53°feels 52°
71 °
Rio, Thursday, 22 October
Clear. High 71°, low 50°.
Pressure30.30 inHg
Wind3 mph E
Humidity58%
Visibility6.2 mi
Dew point54°
Fri, 2369° / 51°0
Morning52°feels 51°
Afternoon69°feels 68°
Evening59°feels 58°
Overnight54°feels 53°
69 °
Rio, Friday, 23 October
Clear. High 69°, low 51°.
Pressure30.33 inHg
Wind8.7 mph S
Humidity56%
Visibility6.2 mi
Dew point51°
Sat, 2471° / 53°0
Morning55°feels 54°
Afternoon68°feels 67°
Evening63°feels 62°
Overnight54°feels 53°
71 °
Rio, Saturday, 24 October
Overcast. High 71°, low 53°.
Pressure30.30 inHg
Wind11.3 mph S
Humidity51%
Visibility—
Dew point48°
Sun, 2574° / 54°0
Morning59°feels 58°
Afternoon71°feels 70°
Evening63°feels 63°
Overnight58°feels 58°
74 °
Rio, Sunday, 25 October
Overcast. High 74°, low 54°.
Pressure30.36 inHg
Wind7.5 mph S
Humidity53%
Visibility—
Dew point51°
Mon, 2663° / 39°0.23
Morning58°feels 57°
Afternoon59°feels 57°
Evening42°feels 34°
Overnight43°feels 36°
63 °
Rio, Monday, 26 October
Rain. High 63°, low 39°.
Pressure30.09 inHg
Wind16 mph N
Humidity59%
Visibility—
Dew point47°
Tue, 2747° / 34°0
Morning38°feels 30°
Afternoon46°feels 40°
Evening39°feels 33°
Overnight36°feels 29°
47 °
Rio, Tuesday, 27 October
Clear. High 47°, low 34°.
Pressure30.45 inHg
Wind14 mph NW
Humidity42%
Visibility—
Dew point23°
Wed, 2848° / 30°0
Morning35°feels 29°
Afternoon44°feels 39°
Evening40°feels 34°
Overnight37°feels 31°
48 °
Rio, Wednesday, 28 October
Mostly clear. High 48°, low 30°.
Pressure30.42 inHg
Wind12.3 mph SW
Humidity40%
Visibility—
Dew point20°
Thu, 2949° / 36°0
Morning40°feels 34°
Afternoon48°feels 43°
Evening40°feels 35°
Overnight38°feels 32°
49 °
Rio, Thursday, 29 October
Clear. High 49°, low 36°.
Pressure30.15 inHg
Wind14.2 mph NW
Humidity47%
Visibility—
Dew point28°
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.