10-day forecast for Keys, IL: 50° to 78°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Wednesday, October 28
61° · 1.58 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2775° / 51°0
Morning53°feels 52°
Afternoon73°feels 72°
Evening61°feels 60°
Overnight54°feels 53°
75 °
Keys, Tuesday, 27 October
Overcast. High 75°, low 51°.
Pressure30.24 inHg
Wind6.9 mph S
Humidity52%
Visibility6.2 mi
Dew point51°
Wed, 2878° / 52°0
Morning54°feels 53°
Afternoon75°feels 74°
Evening64°feels 63°
Overnight57°feels 55°
78 °
Keys, Wednesday, 28 October
Clear. High 78°, low 52°.
Pressure30.18 inHg
Wind7.6 mph S
Humidity49%
Visibility6.2 mi
Dew point51°
Thu, 2977° / 58°0.01
Morning59°feels 58°
Afternoon76°feels 76°
Evening65°feels 65°
Overnight60°feels 59°
77 °
Keys, Thursday, 29 October
Light rain. High 77°, low 58°.
Pressure30.12 inHg
Wind8.5 mph SW
Humidity55%
Visibility6.2 mi
Dew point55°
Fri, 3075° / 56°0.02
Morning58°feels 58°
Afternoon73°feels 73°
Evening65°feels 66°
Overnight58°feels 59°
75 °
Keys, Friday, 30 October
Light rain. High 75°, low 56°.
Pressure30.21 inHg
Wind6.3 mph SE
Humidity74%
Visibility6.2 mi
Dew point60°
Sat, 3170° / 59°0.2
Morning62°feels 62°
Afternoon68°feels 68°
Evening64°feels 64°
Overnight62°feels 62°
70 °
Keys, Saturday, 31 October
Rain. High 70°, low 59°.
Pressure30.12 inHg
Wind7.1 mph S
Humidity70%
Visibility—
Dew point58°
Sun, 0169° / 58°0.14
Morning61°feels 61°
Afternoon67°feels 67°
Evening64°feels 63°
Overnight60°feels 59°
69 °
Keys, Sunday, 1 November
Light rain. High 69°, low 58°.
Pressure29.94 inHg
Wind9.2 mph N
Humidity70%
Visibility—
Dew point56°
Mon, 0265° / 55°0.06
Morning58°feels 57°
Afternoon64°feels 63°
Evening63°feels 63°
Overnight62°feels 61°
65 °
Keys, Monday, 2 November
Light rain. High 65°, low 55°.
Pressure29.80 inHg
Wind16.2 mph SE
Humidity64%
Visibility—
Dew point50°
Tue, 0367° / 62°0.62
Morning63°feels 64°
Afternoon65°feels 65°
Evening63°feels 64°
Overnight63°feels 64°
67 °
Keys, Tuesday, 3 November
Rain. High 67°, low 62°.
Pressure29.77 inHg
Wind18.6 mph SE
Humidity87%
Visibility—
Dew point61°
Wed, 0461° / 50°1.58
Morning55°feels 54°
Afternoon57°feels 56°
Evening54°feels 52°
Overnight53°feels 51°
61 °
Keys, Wednesday, 4 November
Heavy rain. High 61°, low 50°.
Pressure29.62 inHg
Wind19.6 mph W
Humidity55%
Visibility—
Dew point42°
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.