10-day forecast for Rio, IL: 60° to 92°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Sunday, August 9
71° · 1.84 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 71°0.01
Morning77°feels 78°
Afternoon89°feels 101°
Evening78°feels 79°
Overnight78°feels 80°
90 °
Rio, Monday, 10 August
Light rain. High 90°, low 71°.
Pressure29.88 inHg
Wind0.3 mph SE
Humidity67%
Visibility6.2 mi
Dew point71°
Tue, 1190° / 70°0.01
Morning74°feels 75°
Afternoon89°feels 98°
Evening81°feels 86°
Overnight73°feels 74°
90 °
Rio, Tuesday, 11 August
Light rain. High 90°, low 70°.
Pressure29.80 inHg
Wind13.6 mph SW
Humidity66%
Visibility6.2 mi
Dew point72°
Wed, 1282° / 71°0.19
Morning74°feels 75°
Afternoon83°feels 87°
Evening75°feels 76°
Overnight73°feels 74°
82 °
Rio, Wednesday, 12 August
Light rain. High 82°, low 71°.
Pressure29.85 inHg
Wind8 mph NE
Humidity79%
Visibility6.2 mi
Dew point73°
Thu, 1378° / 63°0.04
Morning67°feels 67°
Afternoon76°feels 77°
Evening67°feels 68°
Overnight66°feels 66°
78 °
Rio, Thursday, 13 August
Light rain. High 78°, low 63°.
Pressure30.00 inHg
Wind13.5 mph NE
Humidity64%
Visibility—
Dew point63°
Fri, 1471° / 62°1.84
Morning63°feels 64°
Afternoon67°feels 67°
Evening66°feels 67°
Overnight63°feels 64°
71 °
Rio, Friday, 14 August
Heavy rain. High 71°, low 62°.
Pressure30.15 inHg
Wind12.4 mph E
Humidity76%
Visibility—
Dew point58°
Sat, 1573° / 60°0.07
Morning63°feels 63°
Afternoon69°feels 70°
Evening70°feels 71°
Overnight66°feels 67°
73 °
Rio, Saturday, 15 August
Light rain. High 73°, low 60°.
Pressure30.18 inHg
Wind11.8 mph SE
Humidity83%
Visibility—
Dew point62°
Sun, 1678° / 65°0.02
Morning68°feels 69°
Afternoon76°feels 77°
Evening74°feels 75°
Overnight69°feels 69°
78 °
Rio, Sunday, 16 August
Light rain. High 78°, low 65°.
Pressure30.09 inHg
Wind7.1 mph SE
Humidity81%
Visibility—
Dew point68°
Mon, 1782° / 65°0
Morning69°feels 70°
Afternoon80°feels 80°
Evening77°feels 78°
Overnight69°feels 69°
82 °
Rio, Monday, 17 August
Overcast. High 82°, low 65°.
Pressure30.09 inHg
Wind5.3 mph N
Humidity67%
Visibility—
Dew point66°
Tue, 1883° / 66°0
Morning71°feels 72°
Afternoon81°feels 83°
Evening77°feels 78°
Overnight72°feels 73°
83 °
Rio, Tuesday, 18 August
Overcast. High 83°, low 66°.
Pressure30.00 inHg
Wind11.6 mph S
Humidity66%
Visibility—
Dew point67°
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.