10-day forecast for Marengo, IA: 35° to 69°, with precipitation expected on 8 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Sunday, November 1
61° · 0.8 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3056° / 48°0.73
Morning48°feels 44°
Afternoon55°feels 54°
Evening54°feels 53°
Overnight49°feels 47°
56 °
Marengo, Friday, 30 October
Heavy rain. High 56°, low 48°.
Pressure30.30 inHg
Wind9.4 mph E
Humidity82%
Visibility6.2 mi
Dew point47°
Sat, 3169° / 53°0.59
Morning55°feels 55°
Afternoon68°feels 68°
Evening59°feels 59°
Overnight53°feels 53°
69 °
Marengo, Saturday, 31 October
Rain. High 69°, low 53°.
Pressure30.24 inHg
Wind4.5 mph SW
Humidity86%
Visibility6.2 mi
Dew point60°
Sun, 0164° / 54°0.01
Morning54°feels 53°
Afternoon64°feels 64°
Evening62°feels 62°
Overnight57°feels 56°
64 °
Marengo, Sunday, 1 November
Light rain. High 64°, low 54°.
Pressure30.24 inHg
Wind5.4 mph SE
Humidity71%
Visibility6.2 mi
Dew point52°
Mon, 0265° / 60°0.17
Morning61°feels 61°
Afternoon64°feels 64°
Evening64°feels 65°
Overnight61°feels 61°
65 °
Marengo, Monday, 2 November
Light rain. High 65°, low 60°.
Pressure29.94 inHg
Wind13.5 mph SE
Humidity91%
Visibility4.4 mi
Dew point60°
Tue, 0366° / 57°0.54
Morning65°feels 66°
Afternoon64°feels 64°
Evening60°feels 60°
Overnight59°feels 59°
66 °
Marengo, Tuesday, 3 November
Rain. High 66°, low 57°.
Pressure29.74 inHg
Wind18.2 mph S
Humidity94%
Visibility—
Dew point62°
Wed, 0461° / 57°0.8
Morning60°feels 60°
Afternoon60°feels 60°
Evening59°feels 59°
Overnight58°feels 58°
61 °
Marengo, Wednesday, 4 November
Rain. High 61°, low 57°.
Pressure29.74 inHg
Wind10.2 mph E
Humidity96%
Visibility—
Dew point59°
Thu, 0553° / 48°0.37
Morning51°feels 50°
Afternoon51°feels 49°
Evening49°feels 43°
Overnight48°feels 43°
53 °
Marengo, Thursday, 5 November
Light rain. High 53°, low 48°.
Pressure29.65 inHg
Wind17.5 mph N
Humidity91%
Visibility—
Dew point49°
Fri, 0647° / 39°0.08
Morning44°feels 37°
Afternoon45°feels 39°
Evening41°feels 37°
Overnight40°feels 34°
47 °
Marengo, Friday, 6 November
Light rain. High 47°, low 39°.
Pressure29.94 inHg
Wind16.6 mph N
Humidity66%
Visibility—
Dew point35°
Sat, 0747° / 35°0
Morning38°feels 34°
Afternoon44°feels 41°
Evening40°feels 37°
Overnight38°feels 35°
47 °
Marengo, Saturday, 7 November
Overcast. High 47°, low 35°.
Pressure30.30 inHg
Wind6.5 mph N
Humidity52%
Visibility—
Dew point27°
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, IA 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.