10-day forecast for DeKalb, IL: 45° to 70°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Sunday, November 1
70° · 0.35 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0163° / 53°0.01
Morning54°feels 53°
Afternoon62°feels 61°
Evening57°feels 56°
Overnight54°feels 52°
63 °
DeKalb, Sunday, 1 November
Light rain. High 63°, low 53°.
Pressure30.33 inHg
Wind3.5 mph SE
Humidity72%
Visibility6.2 mi
Dew point53°
Mon, 0260° / 54°0.16
Morning54°feels 53°
Afternoon59°feels 58°
Evening59°feels 59°
Overnight56°feels 55°
60 °
DeKalb, Monday, 2 November
Rain. High 60°, low 54°.
Pressure30.12 inHg
Wind10.6 mph SE
Humidity74%
Visibility6.2 mi
Dew point50°
Tue, 0370° / 60°0.35
Morning63°feels 63°
Afternoon69°feels 69°
Evening64°feels 64°
Overnight60°feels 60°
70 °
DeKalb, Tuesday, 3 November
Rain. High 70°, low 60°.
Pressure29.88 inHg
Wind14.2 mph S
Humidity77%
Visibility6.2 mi
Dew point60°
Wed, 0470° / 62°0.22
Morning64°feels 64°
Afternoon69°feels 69°
Evening64°feels 65°
Overnight63°feels 63°
70 °
DeKalb, Wednesday, 4 November
Light rain. High 70°, low 62°.
Pressure29.83 inHg
Wind11.1 mph S
Humidity72%
Visibility—
Dew point60°
Thu, 0563° / 52°0.2
Morning61°feels 61°
Afternoon58°feels 57°
Evening53°feels 52°
Overnight54°feels 53°
63 °
DeKalb, Thursday, 5 November
Light rain. High 63°, low 52°.
Pressure29.71 inHg
Wind10.6 mph NE
Humidity89%
Visibility—
Dew point56°
Fri, 0656° / 48°0
Morning52°feels 51°
Afternoon54°feels 53°
Evening53°feels 51°
Overnight48°feels 46°
56 °
DeKalb, Friday, 6 November
Light rain. High 56°, low 48°.
Pressure30.06 inHg
Wind6.2 mph NE
Humidity74%
Visibility—
Dew point46°
Sat, 0757° / 45°0
Morning48°feels 46°
Afternoon56°feels 54°
Evening50°feels 48°
Overnight48°feels 45°
57 °
DeKalb, Saturday, 7 November
Partly cloudy. High 57°, low 45°.
Pressure30.12 inHg
Wind8.7 mph SE
Humidity62%
Visibility—
Dew point42°
Sun, 0857° / 47°0
Morning49°feels 47°
Afternoon56°feels 54°
Evening51°feels 50°
Overnight49°feels 49°
57 °
DeKalb, Sunday, 8 November
Overcast. High 57°, low 47°.
Pressure30.15 inHg
Wind5.6 mph SE
Humidity61%
Visibility—
Dew point42°
Mon, 0960° / 46°0
Morning50°feels 48°
Afternoon58°feels 57°
Evening52°feels 50°
Overnight49°feels 47°
60 °
DeKalb, Monday, 9 November
Clear. High 60°, low 46°.
Pressure30.09 inHg
Wind8.8 mph W
Humidity62%
Visibility—
Dew point45°
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.