10-day forecast for Keys, IL: 47° to 78°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Thursday, October 29
62° · 1.18 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2978° / 53°0
Morning55°feels 54°
Afternoon77°feels 77°
Evening65°feels 65°
Overnight56°feels 55°
78 °
Keys, Thursday, 29 October
Overcast. High 78°, low 53°.
Pressure30.15 inHg
Wind8.1 mph SW
Humidity56%
Visibility6.2 mi
Dew point56°
Fri, 3066° / 55°0.43
Morning55°feels 54°
Afternoon65°feels 65°
Evening63°feels 63°
Overnight57°feels 57°
66 °
Keys, Friday, 30 October
Rain. High 66°, low 55°.
Pressure30.27 inHg
Wind5 mph E
Humidity83%
Visibility0.7 mi
Dew point58°
Sat, 3170° / 59°0
Morning59°feels 59°
Afternoon70°feels 70°
Evening64°feels 64°
Overnight60°feels 60°
70 °
Keys, Saturday, 31 October
Overcast. High 70°, low 59°.
Pressure30.24 inHg
Wind3 mph S
Humidity76%
Visibility6.2 mi
Dew point59°
Sun, 0172° / 58°0
Morning60°feels 59°
Afternoon70°feels 69°
Evening65°feels 64°
Overnight60°feels 59°
72 °
Keys, Sunday, 1 November
Partly cloudy. High 72°, low 58°.
Pressure30.24 inHg
Wind6.2 mph E
Humidity60%
Visibility6.2 mi
Dew point54°
Mon, 0271° / 57°0.13
Morning60°feels 60°
Afternoon69°feels 69°
Evening67°feels 67°
Overnight63°feels 63°
71 °
Keys, Monday, 2 November
Rain. High 71°, low 57°.
Pressure30.09 inHg
Wind12 mph S
Humidity63%
Visibility—
Dew point55°
Tue, 0365° / 61°0.31
Morning64°feels 64°
Afternoon64°feels 64°
Evening62°feels 62°
Overnight61°feels 62°
65 °
Keys, Tuesday, 3 November
Rain. High 65°, low 61°.
Pressure29.83 inHg
Wind13.5 mph SE
Humidity87%
Visibility—
Dew point60°
Wed, 0462° / 60°1.18
Morning60°feels 61°
Afternoon62°feels 62°
Evening62°feels 62°
Overnight61°feels 62°
62 °
Keys, Wednesday, 4 November
Rain. High 62°, low 60°.
Pressure29.71 inHg
Wind16.8 mph E
Humidity90%
Visibility—
Dew point59°
Thu, 0561° / 56°0.66
Morning60°feels 60°
Afternoon60°feels 60°
Evening56°feels 56°
Overnight57°feels 56°
61 °
Keys, Thursday, 5 November
Rain. High 61°, low 56°.
Pressure29.62 inHg
Wind13.7 mph N
Humidity95%
Visibility—
Dew point59°
Fri, 0656° / 47°0
Morning51°feels 47°
Afternoon54°feels 51°
Evening48°feels 45°
Overnight47°feels 44°
56 °
Keys, Friday, 6 November
Overcast. High 56°, low 47°.
Pressure29.97 inHg
Wind13.8 mph N
Humidity42%
Visibility—
Dew point31°
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 Keys, 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.