10-day forecast for Red Oak, IL: 57° to 87°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Tuesday, August 18
82° · 0.82 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 71°0.13
Morning75°feels 76°
Afternoon85°feels 97°
Evening78°feels 80°
Overnight75°feels 77°
87 °
Red Oak, Monday, 10 August
Light rain. High 87°, low 71°.
Pressure29.88 inHg
Wind7 mph E
Humidity86%
Visibility6.2 mi
Dew point72°
Tue, 1186° / 70°0.21
Morning70°feels 72°
Afternoon84°feels 90°
Evening77°feels 78°
Overnight72°feels 74°
86 °
Red Oak, Tuesday, 11 August
Heavy rain. High 86°, low 70°.
Pressure29.77 inHg
Wind4.4 mph NW
Humidity80%
Visibility6.2 mi
Dew point72°
Wed, 1281° / 67°0
Morning72°feels 73°
Afternoon80°feels 80°
Evening70°feels 71°
Overnight69°feels 70°
81 °
Red Oak, Wednesday, 12 August
Overcast. High 81°, low 67°.
Pressure29.88 inHg
Wind5.3 mph NW
Humidity79%
Visibility6.2 mi
Dew point71°
Thu, 1371° / 58°0
Morning62°feels 62°
Afternoon70°feels 71°
Evening68°feels 69°
Overnight61°feels 61°
71 °
Red Oak, Thursday, 13 August
Overcast. High 71°, low 58°.
Pressure30.03 inHg
Wind8.2 mph E
Humidity76%
Visibility—
Dew point61°
Fri, 1477° / 57°0
Morning63°feels 62°
Afternoon75°feels 75°
Evening72°feels 72°
Overnight66°feels 66°
77 °
Red Oak, Friday, 14 August
Mostly clear. High 77°, low 57°.
Pressure30.12 inHg
Wind5.3 mph SE
Humidity57%
Visibility—
Dew point57°
Sat, 1572° / 60°0
Morning63°feels 62°
Afternoon70°feels 70°
Evening61°feels 61°
Overnight60°feels 59°
72 °
Red Oak, Saturday, 15 August
Overcast. High 72°, low 60°.
Pressure30.27 inHg
Wind10 mph S
Humidity62%
Visibility—
Dew point56°
Sun, 1673° / 57°0
Morning64°feels 63°
Afternoon70°feels 70°
Evening69°feels 70°
Overnight65°feels 65°
73 °
Red Oak, Sunday, 16 August
Overcast. High 73°, low 57°.
Pressure30.15 inHg
Wind5.9 mph SE
Humidity66%
Visibility—
Dew point57°
Mon, 1780° / 62°0
Morning67°feels 67°
Afternoon78°feels 79°
Evening76°feels 77°
Overnight67°feels 68°
80 °
Red Oak, Monday, 17 August
Mostly clear. High 80°, low 62°.
Pressure30.06 inHg
Wind6.2 mph S
Humidity67%
Visibility—
Dew point64°
Tue, 1884° / 65°0.01
Morning70°feels 72°
Afternoon81°feels 84°
Evening77°feels 78°
Overnight69°feels 70°
84 °
Red Oak, Tuesday, 18 August
Light rain. High 84°, low 65°.
Pressure29.94 inHg
Wind13.5 mph SW
Humidity67%
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 Red Oak, 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.