10-day forecast for Keys, IL: 46° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Thursday, October 29
62° · 0.7 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2474° / 49°0
Morning51°feels 50°
Afternoon73°feels 72°
Evening61°feels 60°
Overnight54°feels 52°
74 °
Keys, Saturday, 24 October
Overcast. High 74°, low 49°.
Pressure30.36 inHg
Wind5.7 mph S
Humidity50%
Visibility6.2 mi
Dew point49°
Sun, 2576° / 51°0
Morning53°feels 51°
Afternoon75°feels 74°
Evening63°feels 62°
Overnight55°feels 53°
76 °
Keys, Sunday, 25 October
Partly cloudy. High 76°, low 51°.
Pressure30.39 inHg
Wind4.4 mph S
Humidity48%
Visibility6.2 mi
Dew point51°
Mon, 2675° / 53°0
Morning53°feels 53°
Afternoon74°feels 73°
Evening63°feels 63°
Overnight56°feels 55°
75 °
Keys, Monday, 26 October
Overcast. High 75°, low 53°.
Pressure30.33 inHg
Wind2.6 mph SE
Humidity53%
Visibility6.2 mi
Dew point53°
Tue, 2772° / 52°0
Morning58°feels 57°
Afternoon70°feels 69°
Evening63°feels 62°
Overnight55°feels 54°
72 °
Keys, Tuesday, 27 October
Overcast. High 72°, low 52°.
Pressure30.21 inHg
Wind6.4 mph S
Humidity46%
Visibility—
Dew point47°
Wed, 2874° / 56°0
Morning61°feels 60°
Afternoon73°feels 71°
Evening67°feels 65°
Overnight63°feels 61°
74 °
Keys, Wednesday, 28 October
Clear. High 74°, low 56°.
Pressure30.03 inHg
Wind12.5 mph SW
Humidity39%
Visibility—
Dew point45°
Thu, 2977° / 59°0
Morning64°feels 62°
Afternoon75°feels 73°
Evening66°feels 65°
Overnight66°feels 64°
77 °
Keys, Thursday, 29 October
Overcast. High 77°, low 59°.
Pressure30.12 inHg
Wind15.2 mph S
Humidity28%
Visibility—
Dew point39°
Fri, 3066° / 58°0.39
Morning63°feels 62°
Afternoon60°feels 59°
Evening59°feels 58°
Overnight61°feels 60°
66 °
Keys, Friday, 30 October
Rain. High 66°, low 58°.
Pressure30.06 inHg
Wind15.8 mph S
Humidity72%
Visibility—
Dew point51°
Sat, 3162° / 56°0.7
Morning60°feels 60°
Afternoon60°feels 61°
Evening59°feels 59°
Overnight57°feels 56°
62 °
Keys, Saturday, 31 October
Rain. High 62°, low 56°.
Pressure29.91 inHg
Wind12.4 mph S
Humidity96%
Visibility—
Dew point60°
Sun, 0156° / 46°0.07
Morning49°feels 47°
Afternoon54°feels 51°
Evening49°feels 43°
Overnight46°feels 41°
56 °
Keys, Sunday, 1 November
Light rain. High 56°, low 46°.
Pressure30.03 inHg
Wind15.2 mph W
Humidity66%
Visibility—
Dew point43°
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.