10-day forecast for Sycamore, IL: 36° to 87°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Monday, October 12
59° · 0.67 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1380° / 62°0.05
Morning69°feels 70°
Afternoon79°feels 79°
Evening66°feels 66°
Overnight71°feels 71°
80 °
Sycamore, Tuesday, 13 October
Rain. High 80°, low 62°.
Pressure29.85 inHg
Wind9 mph W
Humidity61%
Visibility6.2 mi
Dew point59°
Wed, 1472° / 58°0.02
Morning61°feels 61°
Afternoon72°feels 71°
Evening60°feels 60°
Overnight61°feels 62°
72 °
Sycamore, Wednesday, 14 October
Light rain. High 72°, low 58°.
Pressure30.09 inHg
Wind6.8 mph NE
Humidity60%
Visibility6.2 mi
Dew point55°
Thu, 1559° / 56°0.67
Morning57°feels 56°
Afternoon59°feels 58°
Evening57°feels 57°
Overnight56°feels 56°
59 °
Sycamore, Thursday, 15 October
Rain. High 59°, low 56°.
Pressure30.06 inHg
Wind9.8 mph E
Humidity93%
Visibility2.0 mi
Dew point56°
Fri, 1655° / 45°0.08
Morning49°feels 42°
Afternoon54°feels 52°
Evening48°feels 44°
Overnight54°feels 54°
55 °
Sycamore, Friday, 16 October
Light rain. High 55°, low 45°.
Pressure30.27 inHg
Wind23.3 mph NW
Humidity53%
Visibility6.2 mi
Dew point37°
Sat, 1758° / 36°0
Morning42°feels 41°
Afternoon56°feels 53°
Evening51°feels 47°
Overnight46°feels 42°
58 °
Sycamore, Saturday, 17 October
Clear. High 58°, low 36°.
Pressure30.45 inHg
Wind11.9 mph SW
Humidity38%
Visibility—
Dew point29°
Sun, 1859° / 43°0
Morning47°feels 42°
Afternoon56°feels 54°
Evening49°feels 45°
Overnight47°feels 42°
59 °
Sycamore, Sunday, 18 October
Clear. High 59°, low 43°.
Pressure30.27 inHg
Wind16.3 mph SW
Humidity43%
Visibility—
Dew point34°
Mon, 1963° / 45°0
Morning50°feels 46°
Afternoon61°feels 60°
Evening56°feels 55°
Overnight54°feels 52°
63 °
Sycamore, Monday, 19 October
Overcast. High 63°, low 45°.
Pressure30.30 inHg
Wind9.4 mph S
Humidity48%
Visibility—
Dew point40°
Tue, 2067° / 53°0
Morning58°feels 57°
Afternoon64°feels 63°
Evening62°feels 62°
Overnight59°feels 58°
67 °
Sycamore, Tuesday, 20 October
Overcast. High 67°, low 53°.
Pressure30.27 inHg
Wind6.8 mph S
Humidity68%
Visibility—
Dew point52°
Wed, 2172° / 56°0
Morning60°feels 60°
Afternoon70°feels 69°
Evening64°feels 63°
Overnight60°feels 60°
72 °
Sycamore, Wednesday, 21 October
Mostly clear. High 72°, low 56°.
Pressure30.18 inHg
Wind10.7 mph S
Humidity62%
Visibility—
Dew point55°
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 Sycamore, 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.