10-day forecast for Keys, IL: 40° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Friday, October 30
51° · 0.45 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2575° / 49°0
Morning51°feels 50°
Afternoon75°feels 74°
Evening59°feels 58°
Overnight52°feels 51°
75 °
Keys, Sunday, 25 October
Overcast. High 75°, low 49°.
Pressure30.39 inHg
Wind3.8 mph S
Humidity55%
Visibility6.2 mi
Dew point52°
Mon, 2673° / 51°0
Morning54°feels 53°
Afternoon73°feels 72°
Evening61°feels 61°
Overnight54°feels 53°
73 °
Keys, Monday, 26 October
Overcast. High 73°, low 51°.
Pressure30.33 inHg
Wind2.1 mph SE
Humidity57%
Visibility6.2 mi
Dew point54°
Tue, 2772° / 55°0
Morning55°feels 54°
Afternoon71°feels 70°
Evening62°feels 61°
Overnight57°feels 56°
72 °
Keys, Tuesday, 27 October
Overcast. High 72°, low 55°.
Pressure30.24 inHg
Wind8 mph S
Humidity52%
Visibility6.2 mi
Dew point51°
Wed, 2875° / 54°0
Morning57°feels 56°
Afternoon74°feels 73°
Evening66°feels 65°
Overnight56°feels 55°
75 °
Keys, Wednesday, 28 October
Light rain. High 75°, low 54°.
Pressure30.18 inHg
Wind8.8 mph S
Humidity55%
Visibility6.2 mi
Dew point53°
Thu, 2977° / 58°0
Morning63°feels 62°
Afternoon74°feels 74°
Evening69°feels 69°
Overnight63°feels 63°
77 °
Keys, Thursday, 29 October
Mostly clear. High 77°, low 58°.
Pressure30.18 inHg
Wind8.9 mph S
Humidity51%
Visibility—
Dew point53°
Fri, 3077° / 58°0
Morning63°feels 62°
Afternoon76°feels 75°
Evening70°feels 68°
Overnight66°feels 64°
77 °
Keys, Friday, 30 October
Overcast. High 77°, low 58°.
Pressure30.15 inHg
Wind10.7 mph S
Humidity39%
Visibility—
Dew point48°
Sat, 3172° / 62°0.05
Morning67°feels 65°
Afternoon70°feels 69°
Evening68°feels 67°
Overnight63°feels 62°
72 °
Keys, Saturday, 31 October
Light rain. High 72°, low 62°.
Pressure30.03 inHg
Wind21.3 mph S
Humidity38%
Visibility—
Dew point43°
Sun, 0174° / 59°0.27
Morning66°feels 65°
Afternoon73°feels 73°
Evening64°feels 64°
Overnight60°feels 59°
74 °
Keys, Sunday, 1 November
Rain. High 74°, low 59°.
Pressure29.71 inHg
Wind17.9 mph S
Humidity57%
Visibility—
Dew point56°
Mon, 0251° / 40°0.45
Morning44°feels 36°
Afternoon42°feels 33°
Evening50°feels 46°
Overnight50°feels 48°
51 °
Keys, Monday, 2 November
Rain. High 51°, low 40°.
Pressure29.62 inHg
Wind20.4 mph W
Humidity94%
Visibility—
Dew point39°
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.