10-day forecast for Marengo, IL: 42° to 72°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Wednesday, October 28
57° · 1.03 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2872° / 56°0
Morning56°feels 56°
Afternoon71°feels 70°
Evening66°feels 66°
Overnight57°feels 57°
72 °
Marengo, Wednesday, 28 October
Clear. High 72°, low 56°.
Pressure30.15 inHg
Wind8.5 mph S
Humidity59%
Visibility6.2 mi
Dew point53°
Thu, 2967° / 49°0.04
Morning58°feels 57°
Afternoon67°feels 67°
Evening53°feels 51°
Overnight61°feels 60°
67 °
Marengo, Thursday, 29 October
Light rain. High 67°, low 49°.
Pressure30.06 inHg
Wind8.5 mph W
Humidity85%
Visibility6.2 mi
Dew point58°
Fri, 3062° / 42°0.02
Morning43°feels 40°
Afternoon61°feels 60°
Evening55°feels 54°
Overnight45°feels 43°
62 °
Marengo, Friday, 30 October
Light rain. High 62°, low 42°.
Pressure30.30 inHg
Wind5.5 mph SE
Humidity60%
Visibility6.2 mi
Dew point45°
Sat, 3157° / 52°1.03
Morning53°feels 52°
Afternoon56°feels 56°
Evening53°feels 53°
Overnight53°feels 52°
57 °
Marengo, Saturday, 31 October
Rain. High 57°, low 52°.
Pressure30.24 inHg
Wind8.3 mph E
Humidity81%
Visibility—
Dew point50°
Sun, 0165° / 51°0.35
Morning56°feels 55°
Afternoon64°feels 63°
Evening56°feels 56°
Overnight53°feels 53°
65 °
Marengo, Sunday, 1 November
Rain. High 65°, low 51°.
Pressure30.18 inHg
Wind10.1 mph N
Humidity70%
Visibility—
Dew point53°
Mon, 0253° / 50°0.04
Morning51°feels 50°
Afternoon53°feels 52°
Evening53°feels 52°
Overnight52°feels 51°
53 °
Marengo, Monday, 2 November
Light rain. High 53°, low 50°.
Pressure29.91 inHg
Wind18.8 mph NE
Humidity91%
Visibility—
Dew point50°
Tue, 0352° / 47°0
Morning51°feels 49°
Afternoon51°feels 49°
Evening47°feels 44°
Overnight49°feels 45°
52 °
Marengo, Tuesday, 3 November
Overcast. High 52°, low 47°.
Pressure30.24 inHg
Wind17.3 mph NE
Humidity79%
Visibility—
Dew point45°
Wed, 0454° / 44°0
Morning47°feels 43°
Afternoon53°feels 50°
Evening47°feels 42°
Overnight47°feels 41°
54 °
Marengo, Wednesday, 4 November
Overcast. High 54°, low 44°.
Pressure30.09 inHg
Wind14.5 mph E
Humidity59%
Visibility—
Dew point39°
Thu, 0558° / 47°0
Morning50°feels 46°
Afternoon55°feels 53°
Evening48°feels 45°
Overnight47°feels 43°
58 °
Marengo, Thursday, 5 November
Overcast. High 58°, low 47°.
Pressure29.85 inHg
Wind12.6 mph N
Humidity45%
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.