10-day forecast for Rio, IL: 48° to 73°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Sunday, October 25
63° · 0.5 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2573° / 52°0
Morning54°feels 53°
Afternoon72°feels 72°
Evening61°feels 61°
Overnight55°feels 54°
73 °
Rio, Sunday, 25 October
Overcast. High 73°, low 52°.
Pressure30.39 inHg
Wind5.6 mph S
Humidity55%
Visibility6.2 mi
Dew point51°
Mon, 2672° / 52°0
Morning53°feels 52°
Afternoon72°feels 71°
Evening60°feels 59°
Overnight55°feels 54°
72 °
Rio, Monday, 26 October
Overcast. High 72°, low 52°.
Pressure30.30 inHg
Wind3 mph SE
Humidity56%
Visibility6.2 mi
Dew point53°
Tue, 2767° / 52°0.24
Morning53°feels 53°
Afternoon67°feels 66°
Evening62°feels 60°
Overnight54°feels 54°
67 °
Rio, Tuesday, 27 October
Rain. High 67°, low 52°.
Pressure30.21 inHg
Wind8.1 mph S
Humidity58%
Visibility6.2 mi
Dew point52°
Wed, 2872° / 54°0
Morning56°feels 55°
Afternoon69°feels 68°
Evening64°feels 63°
Overnight57°feels 56°
72 °
Rio, Wednesday, 28 October
Overcast. High 72°, low 54°.
Pressure30.15 inHg
Wind8.7 mph S
Humidity60%
Visibility6.2 mi
Dew point52°
Thu, 2970° / 58°0.04
Morning62°feels 61°
Afternoon69°feels 69°
Evening64°feels 65°
Overnight62°feels 62°
70 °
Rio, Thursday, 29 October
Light rain. High 70°, low 58°.
Pressure30.12 inHg
Wind11.5 mph S
Humidity63%
Visibility—
Dew point56°
Fri, 3067° / 57°0.03
Morning60°feels 60°
Afternoon63°feels 63°
Evening59°feels 58°
Overnight57°feels 56°
67 °
Rio, Friday, 30 October
Light rain. High 67°, low 57°.
Pressure30.24 inHg
Wind13.9 mph E
Humidity79%
Visibility—
Dew point56°
Sat, 3163° / 56°0.09
Morning59°feels 58°
Afternoon62°feels 62°
Evening57°feels 56°
Overnight57°feels 56°
63 °
Rio, Saturday, 31 October
Light rain. High 63°, low 56°.
Pressure30.15 inHg
Wind13.2 mph S
Humidity70%
Visibility—
Dew point53°
Sun, 0163° / 58°0.5
Morning61°feels 60°
Afternoon63°feels 62°
Evening61°feels 61°
Overnight60°feels 60°
63 °
Rio, Sunday, 1 November
Rain. High 63°, low 58°.
Pressure29.80 inHg
Wind19.4 mph S
Humidity74%
Visibility—
Dew point54°
Mon, 0255° / 48°0.07
Morning51°feels 48°
Afternoon54°feels 53°
Evening52°feels 49°
Overnight49°feels 43°
55 °
Rio, Monday, 2 November
Light rain. High 55°, low 48°.
Pressure29.83 inHg
Wind21.7 mph N
Humidity91%
Visibility—
Dew point51°
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.