10-day forecast for Rio, IL: 41° to 75°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Thursday, October 22
60° · 0.04 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2275° / 49°0
Morning52°feels 51°
Afternoon74°feels 74°
Evening60°feels 59°
Overnight52°feels 51°
75 °
Rio, Thursday, 22 October
Clear. High 75°, low 49°.
Pressure30.27 inHg
Wind0.9 mph SE
Humidity52%
Visibility6.2 mi
Dew point52°
Fri, 2372° / 52°0
Morning53°feels 52°
Afternoon72°feels 71°
Evening61°feels 60°
Overnight55°feels 55°
72 °
Rio, Friday, 23 October
Clear. High 72°, low 52°.
Pressure30.30 inHg
Wind6.1 mph S
Humidity56%
Visibility6.2 mi
Dew point53°
Sat, 2468° / 52°0
Morning52°feels 51°
Afternoon69°feels 68°
Evening61°feels 60°
Overnight55°feels 54°
68 °
Rio, Saturday, 24 October
Overcast. High 68°, low 52°.
Pressure30.33 inHg
Wind9.4 mph S
Humidity56%
Visibility6.2 mi
Dew point50°
Sun, 2572° / 51°0
Morning54°feels 53°
Afternoon68°feels 67°
Evening61°feels 61°
Overnight55°feels 54°
72 °
Rio, Sunday, 25 October
Overcast. High 72°, low 51°.
Pressure30.33 inHg
Wind6.7 mph S
Humidity52%
Visibility—
Dew point49°
Mon, 2671° / 54°0
Morning58°feels 57°
Afternoon69°feels 67°
Evening63°feels 61°
Overnight58°feels 57°
71 °
Rio, Monday, 26 October
Overcast. High 71°, low 54°.
Pressure30.21 inHg
Wind9.5 mph S
Humidity48%
Visibility—
Dew point47°
Tue, 2763° / 51°0.03
Morning55°feels 53°
Afternoon61°feels 60°
Evening57°feels 56°
Overnight55°feels 54°
63 °
Rio, Tuesday, 27 October
Light rain. High 63°, low 51°.
Pressure30.27 inHg
Wind11.4 mph E
Humidity58%
Visibility—
Dew point46°
Wed, 2869° / 55°0.01
Morning59°feels 58°
Afternoon67°feels 67°
Evening62°feels 61°
Overnight59°feels 59°
69 °
Rio, Wednesday, 28 October
Light rain. High 69°, low 55°.
Pressure30.06 inHg
Wind14.9 mph SW
Humidity56%
Visibility—
Dew point50°
Thu, 2960° / 44°0.04
Morning53°feels 51°
Afternoon51°feels 48°
Evening46°feels 43°
Overnight46°feels 42°
60 °
Rio, Thursday, 29 October
Light rain. High 60°, low 44°.
Pressure30.24 inHg
Wind13.8 mph N
Humidity50%
Visibility—
Dew point34°
Fri, 3059° / 41°0
Morning45°feels 41°
Afternoon56°feels 53°
Evening51°feels 47°
Overnight51°feels 47°
59 °
Rio, Friday, 30 October
Overcast. High 59°, low 41°.
Pressure30.24 inHg
Wind14.5 mph SE
Humidity38%
Visibility—
Dew point29°
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.