10-day forecast for DeKalb, IL: 41° to 70°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Sunday, November 1
70° · 0.3 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0263° / 56°0.03
Morning57°feels 57°
Afternoon60°feels 59°
Evening61°feels 61°
Overnight57°feels 57°
63 °
DeKalb, Monday, 2 November
Light rain. High 63°, low 56°.
Pressure30.03 inHg
Wind14.4 mph S
Humidity74%
Visibility6.2 mi
Dew point53°
Tue, 0370° / 63°0.3
Morning65°feels 65°
Afternoon69°feels 70°
Evening66°feels 66°
Overnight65°feels 65°
70 °
DeKalb, Tuesday, 3 November
Rain. High 70°, low 63°.
Pressure29.80 inHg
Wind19.8 mph S
Humidity76%
Visibility6.2 mi
Dew point62°
Wed, 0464° / 56°0.2
Morning60°feels 60°
Afternoon58°feels 56°
Evening56°feels 55°
Overnight64°feels 64°
64 °
DeKalb, Wednesday, 4 November
Rain. High 64°, low 56°.
Pressure29.71 inHg
Wind17.6 mph SW
Humidity64%
Visibility6.2 mi
Dew point45°
Thu, 0556° / 49°0.02
Morning50°feels 48°
Afternoon55°feels 53°
Evening51°feels 49°
Overnight54°feels 52°
56 °
DeKalb, Thursday, 5 November
Light rain. High 56°, low 49°.
Pressure29.77 inHg
Wind13.5 mph SW
Humidity58%
Visibility6.2 mi
Dew point39°
Fri, 0654° / 45°0.04
Morning50°feels 47°
Afternoon53°feels 51°
Evening50°feels 46°
Overnight49°feels 45°
54 °
DeKalb, Friday, 6 November
Light rain. High 54°, low 45°.
Pressure29.91 inHg
Wind10.7 mph NW
Humidity73%
Visibility—
Dew point45°
Sat, 0752° / 45°0
Morning46°feels 43°
Afternoon49°feels 48°
Evening46°feels 44°
Overnight45°feels 44°
52 °
DeKalb, Saturday, 7 November
Overcast. High 52°, low 45°.
Pressure30.03 inHg
Wind9.7 mph N
Humidity68%
Visibility—
Dew point39°
Sun, 0854° / 41°0
Morning44°feels 41°
Afternoon52°feels 50°
Evening47°feels 44°
Overnight44°feels 40°
54 °
DeKalb, Sunday, 8 November
Clear. High 54°, low 41°.
Pressure30.15 inHg
Wind8.3 mph W
Humidity57%
Visibility—
Dew point37°
Mon, 0957° / 41°0
Morning45°feels 41°
Afternoon55°feels 52°
Evening49°feels 47°
Overnight46°feels 44°
57 °
DeKalb, Monday, 9 November
Clear. High 57°, low 41°.
Pressure30.03 inHg
Wind8.7 mph W
Humidity54%
Visibility—
Dew point37°
Tue, 1058° / 44°0
Morning47°feels 45°
Afternoon56°feels 54°
Evening49°feels 46°
Overnight46°feels 43°
58 °
DeKalb, Tuesday, 10 November
Clear. High 58°, low 44°.
Pressure30.03 inHg
Wind8.1 mph NW
Humidity57%
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 DeKalb, 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.