Sycamore, IL Weather Forecast and Current Conditions (60178)
Feels Like 66°F
Current Weather
Feels Like 66°F
Forecast at a Glance
This Date in Weather History
1987 - Showers and thunderstorms produced heavy rain in the northeastern U.S. Flooding was reported in Vermont, New York, Pennsylvania and New Jersey. Greenwood NY received 6.37 inches of rain. A dike along a creek at Prattsburg NY gave way and a two million dollar onion crop left on the ground to dry was washed away. The prolonged rains in the eastern U.S. finally came to an end late in the day as a cold front began to push the warm and humid airmass out to sea.
More on this and other weather history
Sycamore 7 Day Weather Forecast Details
Friday Sep 12
Night: A chance of showers and thunderstorms after 4am. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Sep 13
Day: A chance of showers and thunderstorms before 4pm. Partly sunny. High near 79, with temperatures falling to around 77 in the afternoon. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Patchy fog after 1am. Partly cloudy, with a low around 62. East southeast wind 5 to 10 mph.
Sunday Sep 14
Day: Patchy fog before 9am. Sunny, with a high near 87. East wind around 5 mph, with gusts as high as 10 mph.
Night: Mostly clear, with a low around 62. East northeast wind 0 to 5 mph, with gusts as high as 10 mph.
Monday Sep 15
Day: Sunny, with a high near 88.
Night: Partly cloudy, with a low around 63.
Tuesday Sep 16
Day: Sunny, with a high near 87.
Night: Partly cloudy, with a low around 62.
Wednesday Sep 17
Day: Mostly sunny, with a high near 88.
Night: Mostly cloudy, with a low around 62.
Thursday Sep 18
Day: A slight chance of rain showers after 1pm. Partly sunny, with a high near 85.
Night: A chance of rain showers. Mostly cloudy, with a low around 60.
Friday Sep 19
Day: A chance of rain showers. Partly sunny, with a high near 78.
Sun & Moon Monthly
Sunrise 6:33 AM
Sunset 7:11 PM
Last Light 7:39 PM
Moonset 1:48 PM
Contiguous United States Extremes
Fri's High Temperature
103 at Rio Grande Village, TX
Fri's Low Temperature
22 at 14 Miles West-southwest Of Mackay, ID
Weather Folklore
If the moon rises clear, expect fair weather.
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About Sycamore, Illinois
Sycamore is a city in DeKalb County, Illinois, United States. It has a commercial district based and centered on Illinois Route 64. The population was 18,577 at the 2020 census, up from 17,419 at the 2010 census. Sycamore is the county seat of DeKalb County and was named after the sycamore tree.
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