10-day forecast for Oak, IL: 38° to 90°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Tuesday, October 13
81° · 0.43 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1390° / 66°0
Morning68°feels 68°
Afternoon89°feels 93°
Evening77°feels 78°
Overnight70°feels 70°
90 °
Oak, Tuesday, 13 October
Clear. High 90°, low 66°.
Pressure29.97 inHg
Wind9.4 mph SW
Humidity50%
Visibility6.2 mi
Dew point63°
Wed, 1480° / 71°0.24
Morning74°feels 75°
Afternoon75°feels 77°
Evening74°feels 75°
Overnight75°feels 76°
80 °
Oak, Wednesday, 14 October
Rain. High 80°, low 71°.
Pressure30.03 inHg
Wind6 mph SW
Humidity98%
Visibility1.5 mi
Dew point72°
Thu, 1581° / 69°0.43
Morning70°feels 72°
Afternoon80°feels 85°
Evening75°feels 76°
Overnight71°feels 73°
81 °
Oak, Thursday, 15 October
Rain. High 81°, low 69°.
Pressure30.06 inHg
Wind6.5 mph SW
Humidity81%
Visibility6.2 mi
Dew point73°
Fri, 1672° / 55°0.04
Morning63°feels 62°
Afternoon63°feels 61°
Evening58°feels 55°
Overnight71°feels 73°
72 °
Oak, Friday, 16 October
Light rain. High 72°, low 55°.
Pressure30.33 inHg
Wind16.5 mph N
Humidity42%
Visibility—
Dew point40°
Sat, 1762° / 46°0
Morning50°feels 47°
Afternoon59°feels 57°
Evening51°feels 49°
Overnight47°feels 44°
62 °
Oak, Saturday, 17 October
Clear. High 62°, low 46°.
Pressure30.45 inHg
Wind10.3 mph NE
Humidity41%
Visibility—
Dew point35°
Sun, 1870° / 38°0
Morning46°feels 43°
Afternoon65°feels 63°
Evening57°feels 55°
Overnight51°feels 49°
70 °
Oak, Sunday, 18 October
Clear. High 70°, low 38°.
Pressure30.33 inHg
Wind7.9 mph S
Humidity31%
Visibility—
Dew point31°
Mon, 1976° / 51°0
Morning57°feels 56°
Afternoon72°feels 72°
Evening65°feels 65°
Overnight60°feels 59°
76 °
Oak, Monday, 19 October
Partly cloudy. High 76°, low 51°.
Pressure30.27 inHg
Wind10.4 mph S
Humidity45%
Visibility—
Dew point48°
Tue, 2066° / 61°0.06
Morning62°feels 62°
Afternoon64°feels 64°
Evening63°feels 63°
Overnight62°feels 62°
66 °
Oak, Tuesday, 20 October
Light rain. High 66°, low 61°.
Pressure30.27 inHg
Wind5.7 mph NE
Humidity87%
Visibility—
Dew point59°
Wed, 2178° / 60°0
Morning65°feels 65°
Afternoon76°feels 76°
Evening65°feels 64°
Overnight62°feels 61°
78 °
Oak, Wednesday, 21 October
Partly cloudy. High 78°, low 60°.
Pressure30.24 inHg
Wind10.4 mph E
Humidity42%
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 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.