10-day forecast for Sycamore, IL: 36° to 70°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Saturday, October 24
54°
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1756° / 36°0
Morning38°feels 36°
Afternoon56°feels 53°
Evening47°feels 43°
Overnight41°feels 36°
56 °
Sycamore, Saturday, 17 October
Clear. High 56°, low 36°.
Pressure30.53 inHg
Wind4.7 mph SW
Humidity44%
Visibility6.2 mi
Dew point27°
Sun, 1861° / 42°0
Morning44°feels 38°
Afternoon61°feels 59°
Evening51°feels 48°
Overnight44°feels 39°
61 °
Sycamore, Sunday, 18 October
Clear. High 61°, low 42°.
Pressure30.45 inHg
Wind13.7 mph SW
Humidity48%
Visibility6.2 mi
Dew point38°
Mon, 1963° / 42°0
Morning44°feels 41°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight46°feels 42°
63 °
Sycamore, Monday, 19 October
Partly cloudy. High 63°, low 42°.
Pressure30.42 inHg
Wind5.5 mph S
Humidity47%
Visibility6.2 mi
Dew point40°
Tue, 2065° / 42°0
Morning49°feels 46°
Afternoon63°feels 61°
Evening52°feels 51°
Overnight46°feels 43°
65 °
Sycamore, Tuesday, 20 October
Clear. High 65°, low 42°.
Pressure30.39 inHg
Wind6.9 mph SE
Humidity37%
Visibility—
Dew point35°
Wed, 2166° / 44°0
Morning50°feels 47°
Afternoon64°feels 62°
Evening55°feels 53°
Overnight51°feels 49°
66 °
Sycamore, Wednesday, 21 October
Partly cloudy. High 66°, low 44°.
Pressure30.30 inHg
Wind6.7 mph S
Humidity38%
Visibility—
Dew point37°
Thu, 2259° / 51°0.02
Morning55°feels 52°
Afternoon57°feels 56°
Evening54°feels 52°
Overnight53°feels 51°
59 °
Sycamore, Thursday, 22 October
Light rain. High 59°, low 51°.
Pressure30.18 inHg
Wind7.6 mph S
Humidity65%
Visibility—
Dew point45°
Fri, 2369° / 50°0
Morning55°feels 53°
Afternoon67°feels 65°
Evening60°feels 58°
Overnight56°feels 55°
69 °
Sycamore, Friday, 23 October
Clear. High 69°, low 50°.
Pressure30.21 inHg
Wind8.2 mph SE
Humidity44%
Visibility—
Dew point43°
Sat, 2470° / 52°0
Morning57°feels 56°
Afternoon68°feels 67°
Evening60°feels 58°
Overnight56°feels 54°
70 °
Sycamore, Saturday, 24 October
Mostly clear. High 70°, low 52°.
Pressure30.21 inHg
Wind11.1 mph S
Humidity47%
Visibility—
Dew point46°
Sun, 2570° / 53°0
Morning58°feels 56°
Afternoon68°feels 67°
Evening61°feels 60°
Overnight57°feels 55°
70 °
Sycamore, Sunday, 25 October
Overcast. High 70°, low 53°.
Pressure30.18 inHg
Wind7.7 mph S
Humidity38%
Visibility—
Dew point41°
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.