10-day forecast for Rio, IL: 35° to 71°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, October 29
65° · 1.05 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3063° / 48°0.29
Morning49°feels 45°
Afternoon61°feels 59°
Evening55°feels 54°
Overnight50°feels 47°
63 °
Rio, Friday, 30 October
Rain. High 63°, low 48°.
Pressure30.30 inHg
Wind7.8 mph E
Humidity49%
Visibility6.2 mi
Dew point42°
Sat, 3164° / 54°0.56
Morning55°feels 54°
Afternoon64°feels 64°
Evening58°feels 57°
Overnight54°feels 53°
64 °
Rio, Saturday, 31 October
Heavy rain. High 64°, low 54°.
Pressure30.27 inHg
Wind3.6 mph SE
Humidity87%
Visibility6.2 mi
Dew point58°
Sun, 0168° / 51°0.01
Morning55°feels 54°
Afternoon67°feels 67°
Evening64°feels 64°
Overnight51°feels 50°
68 °
Rio, Sunday, 1 November
Light rain. High 68°, low 51°.
Pressure30.24 inHg
Wind6.4 mph E
Humidity63%
Visibility6.2 mi
Dew point52°
Mon, 0265° / 60°0.18
Morning61°feels 61°
Afternoon65°feels 65°
Evening64°feels 65°
Overnight61°feels 61°
65 °
Rio, Monday, 2 November
Light rain. High 65°, low 60°.
Pressure29.97 inHg
Wind19.9 mph S
Humidity79%
Visibility—
Dew point58°
Tue, 0365° / 59°1.05
Morning60°feels 59°
Afternoon61°feels 60°
Evening63°feels 63°
Overnight63°feels 63°
65 °
Rio, Tuesday, 3 November
Rain. High 65°, low 59°.
Pressure29.94 inHg
Wind18.6 mph SW
Humidity74%
Visibility—
Dew point52°
Wed, 0466° / 61°0.54
Morning63°feels 63°
Afternoon64°feels 64°
Evening62°feels 62°
Overnight61°feels 62°
66 °
Rio, Wednesday, 4 November
Rain. High 66°, low 61°.
Pressure29.68 inHg
Wind16.2 mph SE
Humidity89%
Visibility—
Dew point60°
Thu, 0566° / 55°0.08
Morning61°feels 61°
Afternoon65°feels 65°
Evening58°feels 58°
Overnight56°feels 56°
66 °
Rio, Thursday, 5 November
Light rain. High 66°, low 55°.
Pressure29.56 inHg
Wind10.8 mph NW
Humidity67%
Visibility—
Dew point54°
Fri, 0653° / 43°0.01
Morning51°feels 48°
Afternoon48°feels 42°
Evening46°feels 40°
Overnight44°feels 40°
53 °
Rio, Friday, 6 November
Light rain. High 53°, low 43°.
Pressure29.94 inHg
Wind16.1 mph N
Humidity75%
Visibility—
Dew point41°
Sat, 0748° / 35°0
Morning39°feels 33°
Afternoon46°feels 42°
Evening42°feels 38°
Overnight40°feels 36°
48 °
Rio, Saturday, 7 November
Clear. High 48°, low 35°.
Pressure30.27 inHg
Wind9.2 mph NE
Humidity59%
Visibility—
Dew point32°
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.