DeKalb, IL 14 Day Weather - 60115 WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon


DeKalb, IL Weather Forecast


DeKalb, IL Weather Forecast Dated: 506 PM Fri Sep 11 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Friday, September 11, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm and summery near 83°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the SSE at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
76°F 25°C
Sunny
Balmy with temperatures reaching 80°F 27°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SSW to the SW at 7 mph 11 km/h.
Sunday, September 13, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
66°F 19°C
Overcast
Enjoyable around 70°F 21°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the NE to the ENE at 8 mph 12 km/h.
Monday, September 14, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
74°F 24°C
Partly Cloudy
Cool with a high near 63°F 17°C, early showers breaking for a drier afternoon, with steady humidity and barometric pressure falling. Winds swinging from the E to the SE at 16 mph 26 km/h. Gusts up to 34 mph 55 km/h.
Tuesday, September 15, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
76°F 24°C
Scattered Showers
Early-Evening
73°F 23°C
Scattered Showers
Mild with a high of 76°F 24°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the WNW to the NE at 4 mph 5 km/h.
Wednesday, September 16, 2026
Mid-Morning
65°F 19°C
Light Showers
Mid-Afternoon
61°F 16°C
Scattered Showers
Early-Evening
60°F 16°C
Light Showers
Mildly cool near 61°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the ENE to the NE at 11 mph 17 km/h. Gusts up to 23 mph 36 km/h.
Thursday, September 17, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
59°F 15°C
Sunny
Comfortable at 64°F 18°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the ESE to the WSW at 10 mph 16 km/h.
Friday, September 18, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Cool with a high near 64°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
56°F 14°C
Cloudy
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 69°F 20°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 19°C
Sunny
Mild with a high of 70°F 21°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Partly Cloudy
Pleasant near 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the SSE at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
69°F 21°C
Overcast
Comfortable with temperatures reaching 72°F 22°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the SSE to the SE at 7 mph 11 km/h.
Wednesday, September 23, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
71°F 22°C
Sunny
Enjoyable around 75°F 24°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
67°F 19°C
Overcast
Mid-Afternoon
67°F 19°C
Scattered Showers
Early-Evening
66°F 19°C
Light Showers
Mildly cool near 67°F 19°C, scattered downpours possible, with increasing humidity and steady pressure. Winds shifting from the SE to the ESE at 9 mph 15 km/h.
DeKalb, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World