10-day forecast for Sycamore, IL: 40° to 72°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Sunday, October 25
64° · 0.5 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2571° / 50°0
Morning53°feels 52°
Afternoon71°feels 70°
Evening58°feels 58°
Overnight51°feels 50°
71 °
Sycamore, Sunday, 25 October
Overcast. High 71°, low 50°.
Pressure30.39 inHg
Wind6.5 mph S
Humidity56%
Visibility6.2 mi
Dew point51°
Mon, 2667° / 49°0
Morning50°feels 47°
Afternoon67°feels 66°
Evening52°feels 51°
Overnight52°feels 51°
67 °
Sycamore, Monday, 26 October
Overcast. High 67°, low 49°.
Pressure30.36 inHg
Wind6.5 mph NE
Humidity74%
Visibility6.2 mi
Dew point54°
Tue, 2767° / 49°0
Morning51°feels 50°
Afternoon66°feels 66°
Evening58°feels 58°
Overnight49°feels 46°
67 °
Sycamore, Tuesday, 27 October
Overcast. High 67°, low 49°.
Pressure30.24 inHg
Wind7.5 mph SE
Humidity76%
Visibility6.2 mi
Dew point54°
Wed, 2870° / 53°0.13
Morning56°feels 55°
Afternoon69°feels 69°
Evening63°feels 62°
Overnight57°feels 56°
70 °
Sycamore, Wednesday, 28 October
Rain. High 70°, low 53°.
Pressure30.12 inHg
Wind11.9 mph S
Humidity61%
Visibility6.2 mi
Dew point52°
Thu, 2964° / 50°0.5
Morning58°feels 58°
Afternoon59°feels 58°
Evening53°feels 52°
Overnight51°feels 50°
64 °
Sycamore, Thursday, 29 October
Rain. High 64°, low 50°.
Pressure30.21 inHg
Wind6.9 mph S
Humidity73%
Visibility—
Dew point51°
Fri, 3072° / 47°0.02
Morning53°feels 52°
Afternoon66°feels 65°
Evening66°feels 66°
Overnight61°feels 60°
72 °
Sycamore, Friday, 30 October
Light rain. High 72°, low 47°.
Pressure30.15 inHg
Wind8.4 mph SE
Humidity58%
Visibility—
Dew point49°
Sat, 3168° / 61°0.07
Morning63°feels 61°
Afternoon65°feels 64°
Evening62°feels 60°
Overnight61°feels 60°
68 °
Sycamore, Saturday, 31 October
Light rain. High 68°, low 61°.
Pressure30.00 inHg
Wind16.5 mph S
Humidity49%
Visibility—
Dew point46°
Sun, 0163° / 57°0.43
Morning61°feels 61°
Afternoon62°feels 62°
Evening59°feels 59°
Overnight58°feels 58°
63 °
Sycamore, Sunday, 1 November
Rain. High 63°, low 57°.
Pressure29.68 inHg
Wind22 mph S
Humidity76%
Visibility—
Dew point55°
Mon, 0252° / 40°0.14
Morning42°feels 36°
Afternoon47°feels 44°
Evening49°feels 46°
Overnight49°feels 47°
52 °
Sycamore, Monday, 2 November
Light rain. High 52°, low 40°.
Pressure29.50 inHg
Wind18 mph N
Humidity81%
Visibility—
Dew point40°
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.