10-day forecast for Marengo, IL: 34° to 68°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Sunday, November 1
56° · 1.63 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3064° / 46°0.01
Morning47°feels 45°
Afternoon62°feels 61°
Evening56°feels 55°
Overnight50°feels 48°
64 °
Marengo, Friday, 30 October
Light rain. High 64°, low 46°.
Pressure30.36 inHg
Wind4.9 mph E
Humidity58%
Visibility6.2 mi
Dew point43°
Sat, 3156° / 51°1.63
Morning51°feels 50°
Afternoon54°feels 54°
Evening54°feels 53°
Overnight56°feels 56°
56 °
Marengo, Saturday, 31 October
Heavy rain. High 56°, low 51°.
Pressure30.33 inHg
Wind6 mph SE
Humidity91%
Visibility1.4 mi
Dew point52°
Sun, 0168° / 50°0
Morning51°feels 50°
Afternoon68°feels 67°
Evening56°feels 56°
Overnight52°feels 51°
68 °
Marengo, Sunday, 1 November
Light rain. High 68°, low 50°.
Pressure30.33 inHg
Wind5.3 mph SE
Humidity66%
Visibility6.2 mi
Dew point53°
Mon, 0262° / 55°0.04
Morning56°feels 55°
Afternoon61°feels 61°
Evening60°feels 60°
Overnight58°feels 58°
62 °
Marengo, Monday, 2 November
Light rain. High 62°, low 55°.
Pressure30.09 inHg
Wind11.5 mph S
Humidity78%
Visibility6.2 mi
Dew point53°
Tue, 0365° / 61°0.63
Morning64°feels 64°
Afternoon65°feels 65°
Evening64°feels 64°
Overnight64°feels 64°
65 °
Marengo, Tuesday, 3 November
Rain. High 65°, low 61°.
Pressure29.77 inHg
Wind17.4 mph S
Humidity88%
Visibility—
Dew point61°
Wed, 0464° / 51°1.08
Morning58°feels 58°
Afternoon63°feels 62°
Evening54°feels 54°
Overnight52°feels 51°
64 °
Marengo, Wednesday, 4 November
Rain. High 64°, low 51°.
Pressure29.74 inHg
Wind12.2 mph SW
Humidity75%
Visibility—
Dew point55°
Thu, 0555° / 45°0.04
Morning47°feels 44°
Afternoon53°feels 51°
Evening47°feels 43°
Overnight45°feels 39°
55 °
Marengo, Thursday, 5 November
Light rain. High 55°, low 45°.
Pressure29.74 inHg
Wind13.5 mph N
Humidity65%
Visibility—
Dew point42°
Fri, 0647° / 34°0
Morning37°feels 31°
Afternoon44°feels 42°
Evening39°feels 39°
Overnight37°feels 33°
47 °
Marengo, Friday, 6 November
Clear. High 47°, low 34°.
Pressure30.09 inHg
Wind10.5 mph NW
Humidity38%
Visibility—
Dew point20°
Sat, 0753° / 37°0
Morning42°feels 37°
Afternoon52°feels 49°
Evening48°feels 44°
Overnight46°feels 43°
53 °
Marengo, Saturday, 7 November
Overcast. High 53°, low 37°.
Pressure30.15 inHg
Wind11.9 mph SW
Humidity41%
Visibility—
Dew point28°
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.