10-day forecast for Sycamore, IL: 36° to 75°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Friday, October 23
64° · 0.51 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1564° / 57°0.51
Morning58°feels 58°
Afternoon62°feels 63°
Evening62°feels 62°
Overnight57°feels 57°
64 °
Sycamore, Thursday, 15 October
Rain. High 64°, low 57°.
Pressure30.03 inHg
Wind8.2 mph SE
Humidity81%
Visibility6.2 mi
Dew point56°
Fri, 1656° / 43°0.05
Morning48°feels 43°
Afternoon56°feels 54°
Evening47°feels 41°
Overnight52°feels 51°
56 °
Sycamore, Friday, 16 October
Light rain. High 56°, low 43°.
Pressure30.06 inHg
Wind17.2 mph NW
Humidity66%
Visibility5.5 mi
Dew point42°
Sat, 1755° / 36°0
Morning37°feels 33°
Afternoon54°feels 52°
Evening46°feels 43°
Overnight40°feels 34°
55 °
Sycamore, Saturday, 17 October
Clear. High 55°, low 36°.
Pressure30.53 inHg
Wind3.9 mph SW
Humidity48%
Visibility6.2 mi
Dew point31°
Sun, 1861° / 42°0
Morning45°feels 40°
Afternoon60°feels 57°
Evening52°feels 50°
Overnight43°feels 38°
61 °
Sycamore, Sunday, 18 October
Clear. High 61°, low 42°.
Pressure30.45 inHg
Wind13.1 mph SW
Humidity46%
Visibility6.2 mi
Dew point36°
Mon, 1963° / 41°0
Morning47°feels 45°
Afternoon61°feels 59°
Evening52°feels 50°
Overnight48°feels 46°
63 °
Sycamore, Monday, 19 October
Overcast. High 63°, low 41°.
Pressure30.36 inHg
Wind7.1 mph SW
Humidity47%
Visibility—
Dew point39°
Tue, 2066° / 44°0
Morning50°feels 49°
Afternoon64°feels 62°
Evening57°feels 55°
Overnight53°feels 51°
66 °
Sycamore, Tuesday, 20 October
Clear. High 66°, low 44°.
Pressure30.33 inHg
Wind7.3 mph E
Humidity44%
Visibility—
Dew point40°
Wed, 2169° / 52°0
Morning57°feels 56°
Afternoon67°feels 66°
Evening60°feels 59°
Overnight57°feels 56°
69 °
Sycamore, Wednesday, 21 October
Overcast. High 69°, low 52°.
Pressure30.30 inHg
Wind11.4 mph S
Humidity54%
Visibility—
Dew point49°
Thu, 2272° / 54°0
Morning59°feels 57°
Afternoon69°feels 68°
Evening63°feels 62°
Overnight60°feels 59°
72 °
Sycamore, Thursday, 22 October
Partly cloudy. High 72°, low 54°.
Pressure30.21 inHg
Wind12.6 mph S
Humidity49%
Visibility—
Dew point48°
Fri, 2375° / 58°0.02
Morning63°feels 62°
Afternoon74°feels 74°
Evening68°feels 69°
Overnight64°feels 64°
75 °
Sycamore, Friday, 23 October
Light rain. High 75°, low 58°.
Pressure29.97 inHg
Wind20.7 mph S
Humidity57%
Visibility—
Dew point56°
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.