Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >
Overview & Graphics
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October 2023 Monthly Climate Summary Graphic |
Chicago and Rockford Monthly Summary
Public Information Statement National Weather Service Chicago IL 1154 AM CDT Wed Nov 1 2023 /1254 PM EDT Wed Nov 1 2023/ ...A Look Back at the Climate for the Month of October 2023 for Chicago and Rockford... At Chicago, the average high temperature was 64.7 degrees, which is 2.0 degrees above normal. The average low temperature was 49.4 degrees, which is 4.0 degrees above normal. The average temperature for the month was 57.1 degrees, which is 3.1 degrees above normal. 2.28 inches of liquid precipitation were recorded, which is 1.15 inches below normal. 0.9 inches of snow were recorded, which is 0.7 inches above normal. The following daily records were set for Chicago during the month of October 2023: * Record maximum temperature of 83 degrees on the 24th. * Record highest minimum temperature of 65 degrees on the 26th. The following top ten monthly records were also established for Chicago: **10th snowiest October on record since 1872 with 0.9 inches. At Rockford, the average high temperature was 62.9 degrees, which is 0.6 degrees above normal. The average low temperature was 42.8 degrees, which is 1.0 degrees above normal. The average temperature for the month was 52.9 degrees, which is 0.9 degrees above normal. 4.60 inches of liquid precipitation were recorded, which is 1.97 inches above normal. A trace of snow occurred, which is 0.2 inches below normal. The following daily records were set for Rockford during the month of October 2023: * Record maximum temperature of 81 degrees on the 24th. * Record highest minimum temperature of 61 degrees on the 26th. * Record precipitation of 2.71 inches on the 13th.
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Events
No significant weather events occurred this past October
NWS Chicago Science and Past Events Page
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