10-day forecast for Marengo, IL: 42° to 67°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Tuesday, October 27
66° · 0.17 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2767° / 51°0
Morning53°feels 52°
Afternoon63°feels 63°
Evening58°feels 57°
Overnight51°feels 51°
67 °
Marengo, Tuesday, 27 October
Overcast. High 67°, low 51°.
Pressure30.24 inHg
Wind8.4 mph SE
Humidity73%
Visibility6.2 mi
Dew point53°
Wed, 2867° / 53°0.03
Morning54°feels 53°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight55°feels 54°
67 °
Marengo, Wednesday, 28 October
Light rain. High 67°, low 53°.
Pressure30.18 inHg
Wind6.1 mph S
Humidity69%
Visibility6.2 mi
Dew point52°
Thu, 2966° / 55°0.17
Morning58°feels 57°
Afternoon66°feels 66°
Evening58°feels 58°
Overnight56°feels 55°
66 °
Marengo, Thursday, 29 October
Rain. High 66°, low 55°.
Pressure30.06 inHg
Wind9.5 mph SW
Humidity73%
Visibility6.2 mi
Dew point56°
Fri, 3065° / 44°0
Morning50°feels 49°
Afternoon64°feels 62°
Evening57°feels 56°
Overnight53°feels 52°
65 °
Marengo, Friday, 30 October
Overcast. High 65°, low 44°.
Pressure30.18 inHg
Wind7.8 mph SE
Humidity49%
Visibility—
Dew point42°
Sat, 3164° / 51°0.09
Morning58°feels 57°
Afternoon62°feels 61°
Evening52°feels 50°
Overnight52°feels 50°
64 °
Marengo, Saturday, 31 October
Light rain. High 64°, low 51°.
Pressure30.15 inHg
Wind7.1 mph S
Humidity65%
Visibility—
Dew point51°
Sun, 0164° / 49°0
Morning54°feels 51°
Afternoon62°feels 61°
Evening54°feels 53°
Overnight54°feels 51°
64 °
Marengo, Sunday, 1 November
Overcast. High 64°, low 49°.
Pressure30.09 inHg
Wind8.4 mph E
Humidity45%
Visibility—
Dew point40°
Mon, 0255° / 52°0.05
Morning53°feels 52°
Afternoon54°feels 53°
Evening53°feels 51°
Overnight52°feels 51°
55 °
Marengo, Monday, 2 November
Light rain. High 55°, low 52°.
Pressure29.91 inHg
Wind9.7 mph NE
Humidity64%
Visibility—
Dew point42°
Tue, 0358° / 50°0
Morning52°feels 51°
Afternoon58°feels 56°
Evening55°feels 54°
Overnight53°feels 52°
58 °
Marengo, Tuesday, 3 November
Overcast. High 58°, low 50°.
Pressure30.06 inHg
Wind7.7 mph NW
Humidity71%
Visibility—
Dew point47°
Wed, 0447° / 42°0
Morning43°feels 37°
Afternoon46°feels 39°
Evening44°feels 38°
Overnight42°feels 37°
47 °
Marengo, Wednesday, 4 November
Light rain. High 47°, low 42°.
Pressure30.33 inHg
Wind17.2 mph NE
Humidity69%
Visibility—
Dew point36°
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.