10-day forecast for Keys, IL: 44° to 76°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Thursday, October 22
68° · 0.06 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2275° / 48°0
Morning51°feels 50°
Afternoon75°feels 75°
Evening59°feels 57°
Overnight52°feels 50°
75 °
Keys, Thursday, 22 October
Clear. High 75°, low 48°.
Pressure30.27 inHg
Wind2 mph E
Humidity48%
Visibility6.2 mi
Dew point50°
Fri, 2372° / 49°0
Morning52°feels 51°
Afternoon71°feels 71°
Evening60°feels 59°
Overnight52°feels 51°
72 °
Keys, Friday, 23 October
Clear. High 72°, low 49°.
Pressure30.33 inHg
Wind5.2 mph SE
Humidity52%
Visibility6.2 mi
Dew point51°
Sat, 2470° / 50°0
Morning51°feels 50°
Afternoon70°feels 69°
Evening60°feels 59°
Overnight53°feels 52°
70 °
Keys, Saturday, 24 October
Overcast. High 70°, low 50°.
Pressure30.36 inHg
Wind5.8 mph SE
Humidity53%
Visibility6.2 mi
Dew point49°
Sun, 2573° / 50°0
Morning54°feels 53°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight53°feels 52°
73 °
Keys, Sunday, 25 October
Overcast. High 73°, low 50°.
Pressure30.36 inHg
Wind4.2 mph S
Humidity53%
Visibility6.2 mi
Dew point51°
Mon, 2671° / 54°0
Morning59°feels 58°
Afternoon69°feels 68°
Evening62°feels 61°
Overnight58°feels 56°
71 °
Keys, Monday, 26 October
Overcast. High 71°, low 54°.
Pressure30.24 inHg
Wind8.5 mph S
Humidity46%
Visibility—
Dew point46°
Tue, 2771° / 55°0
Morning59°feels 58°
Afternoon69°feels 67°
Evening65°feels 63°
Overnight61°feels 60°
71 °
Keys, Tuesday, 27 October
Overcast. High 71°, low 55°.
Pressure30.24 inHg
Wind8 mph E
Humidity45%
Visibility—
Dew point45°
Wed, 2876° / 59°0
Morning64°feels 62°
Afternoon73°feels 72°
Evening71°feels 70°
Overnight68°feels 67°
76 °
Keys, Wednesday, 28 October
Light rain. High 76°, low 59°.
Pressure30.09 inHg
Wind12.5 mph SW
Humidity42%
Visibility—
Dew point47°
Thu, 2968° / 56°0.06
Morning63°feels 63°
Afternoon60°feels 59°
Evening57°feels 56°
Overnight57°feels 56°
68 °
Keys, Thursday, 29 October
Light rain. High 68°, low 56°.
Pressure30.15 inHg
Wind11.4 mph NE
Humidity78%
Visibility—
Dew point54°
Fri, 3064° / 44°0
Morning49°feels 46°
Afternoon61°feels 59°
Evening58°feels 56°
Overnight55°feels 53°
64 °
Keys, Friday, 30 October
Overcast. High 64°, low 44°.
Pressure30.21 inHg
Wind12.1 mph E
Humidity36%
Visibility—
Dew point33°
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.