10-day forecast for Marengo, IL: 35° to 68°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Thursday, October 29
63° · 1.39 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3062° / 46°0
Morning48°feels 45°
Afternoon60°feels 58°
Evening53°feels 52°
Overnight49°feels 47°
62 °
Marengo, Friday, 30 October
Overcast. High 62°, low 46°.
Pressure30.36 inHg
Wind5.8 mph E
Humidity57%
Visibility6.2 mi
Dew point43°
Sat, 3154° / 49°0.8
Morning50°feels 49°
Afternoon53°feels 52°
Evening51°feels 50°
Overnight54°feels 52°
54 °
Marengo, Saturday, 31 October
Rain. High 54°, low 49°.
Pressure30.36 inHg
Wind7 mph S
Humidity93%
Visibility2.1 mi
Dew point50°
Sun, 0165° / 46°0
Morning49°feels 47°
Afternoon65°feels 64°
Evening57°feels 56°
Overnight47°feels 47°
65 °
Marengo, Sunday, 1 November
Overcast. High 65°, low 46°.
Pressure30.30 inHg
Wind6.4 mph E
Humidity68%
Visibility6.2 mi
Dew point51°
Mon, 0262° / 57°0.32
Morning58°feels 57°
Afternoon60°feels 60°
Evening60°feels 60°
Overnight60°feels 60°
62 °
Marengo, Monday, 2 November
Rain. High 62°, low 57°.
Pressure30.00 inHg
Wind18.8 mph S
Humidity81%
Visibility—
Dew point54°
Tue, 0363° / 58°1.39
Morning59°feels 59°
Afternoon60°feels 60°
Evening61°feels 61°
Overnight61°feels 61°
63 °
Marengo, Tuesday, 3 November
Heavy rain. High 63°, low 58°.
Pressure29.94 inHg
Wind20 mph S
Humidity75%
Visibility—
Dew point52°
Wed, 0462° / 60°0.32
Morning61°feels 61°
Afternoon61°feels 62°
Evening61°feels 61°
Overnight61°feels 61°
62 °
Marengo, Wednesday, 4 November
Rain. High 62°, low 60°.
Pressure29.77 inHg
Wind13.9 mph SE
Humidity93%
Visibility—
Dew point59°
Thu, 0562° / 56°0.51
Morning61°feels 61°
Afternoon60°feels 60°
Evening58°feels 57°
Overnight57°feels 57°
62 °
Marengo, Thursday, 5 November
Rain. High 62°, low 56°.
Pressure29.56 inHg
Wind12 mph E
Humidity96%
Visibility—
Dew point59°
Fri, 0654° / 39°0.06
Morning48°feels 45°
Afternoon43°feels 36°
Evening42°feels 35°
Overnight41°feels 35°
54 °
Marengo, Friday, 6 November
Light rain. High 54°, low 39°.
Pressure29.88 inHg
Wind17.2 mph N
Humidity86%
Visibility—
Dew point40°
Sat, 0749° / 35°0
Morning38°feels 31°
Afternoon46°feels 41°
Evening40°feels 35°
Overnight38°feels 32°
49 °
Marengo, Saturday, 7 November
Mostly clear. High 49°, low 35°.
Pressure30.27 inHg
Wind11.9 mph N
Humidity65%
Visibility—
Dew point34°
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 Marengo, 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.