10-day forecast for DeKalb, IL: 27° to 55°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
49°
Best day: Wednesday, November 18
49° · 1.33 in
Worst day: Friday, November 20
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1245° / 34°0
Morning38°feels 29°
Afternoon43°feels 35°
Evening38°feels 32°
Overnight38°feels 32°
45 °
DeKalb, Thursday, 12 November
Overcast. High 45°, low 34°.
Pressure30.00 inHg
Wind17 mph N
Humidity67%
Visibility6.2 mi
Dew point26°
Fri, 1341° / 30°0
Morning33°feels 24°
Afternoon40°feels 33°
Evening33°feels 26°
Overnight34°feels 27°
41 °
DeKalb, Friday, 13 November
Partly cloudy. High 41°, low 30°.
Pressure30.09 inHg
Wind14 mph N
Humidity66%
Visibility6.2 mi
Dew point24°
Sat, 1442° / 27°0
Morning31°feels 25°
Afternoon41°feels 37°
Evening33°feels 33°
Overnight28°feels 22°
42 °
DeKalb, Saturday, 14 November
Clear. High 42°, low 27°.
Pressure30.24 inHg
Wind7.3 mph NW
Humidity68%
Visibility6.2 mi
Dew point26°
Sun, 1546° / 29°0
Morning34°feels 34°
Afternoon44°feels 43°
Evening38°feels 38°
Overnight30°feels 30°
46 °
DeKalb, Sunday, 15 November
Clear. High 46°, low 29°.
Pressure30.39 inHg
Wind3.2 mph W
Humidity59%
Visibility—
Dew point30°
Mon, 1648° / 31°0
Morning36°feels 35°
Afternoon47°feels 45°
Evening42°feels 39°
Overnight37°feels 35°
48 °
DeKalb, Monday, 16 November
Clear. High 48°, low 31°.
Pressure30.47 inHg
Wind4.4 mph SE
Humidity55%
Visibility—
Dew point30°
Tue, 1747° / 35°0
Morning39°feels 36°
Afternoon46°feels 43°
Evening40°feels 36°
Overnight38°feels 33°
47 °
DeKalb, Tuesday, 17 November
Partly cloudy. High 47°, low 35°.
Pressure30.42 inHg
Wind6.8 mph SE
Humidity53%
Visibility—
Dew point29°
Wed, 1849° / 34°0
Morning38°feels 32°
Afternoon47°feels 42°
Evening42°feels 37°
Overnight39°feels 33°
49 °
DeKalb, Wednesday, 18 November
Mostly clear. High 49°, low 34°.
Pressure30.30 inHg
Wind11.9 mph S
Humidity53%
Visibility—
Dew point29°
Thu, 1948° / 40°0.03
Morning42°feels 35°
Afternoon44°feels 38°
Evening44°feels 39°
Overnight43°feels 37°
48 °
DeKalb, Thursday, 19 November
Light rain. High 48°, low 40°.
Pressure30.03 inHg
Wind15.5 mph S
Humidity67%
Visibility—
Dew point33°
Fri, 2049° / 46°1.33
Morning47°feels 44°
Afternoon47°feels 43°
Evening46°feels 41°
Overnight46°feels 41°
49 °
DeKalb, Friday, 20 November
Rain. High 49°, low 46°.
Pressure30.00 inHg
Wind12.4 mph SE
Humidity97%
Visibility—
Dew point46°
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.