10-day forecast for Marengo, IA: 40° to 73°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Wednesday, October 28
57° · 0.92 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2966° / 49°0.09
Morning59°feels 59°
Afternoon66°feels 64°
Evening53°feels 51°
Overnight60°feels 60°
66 °
Marengo, Thursday, 29 October
Rain. High 66°, low 49°.
Pressure30.18 inHg
Wind8.5 mph N
Humidity52%
Visibility6.2 mi
Dew point45°
Fri, 3057° / 47°0.92
Morning49°feels 46°
Afternoon57°feels 56°
Evening53°feels 53°
Overnight49°feels 46°
57 °
Marengo, Friday, 30 October
Heavy rain. High 57°, low 47°.
Pressure30.27 inHg
Wind7.3 mph E
Humidity72%
Visibility1.9 mi
Dew point46°
Sat, 3165° / 54°0.22
Morning54°feels 54°
Afternoon62°feels 62°
Evening57°feels 57°
Overnight54°feels 53°
65 °
Marengo, Saturday, 31 October
Rain. High 65°, low 54°.
Pressure30.27 inHg
Wind5 mph SE
Humidity94%
Visibility6.2 mi
Dew point57°
Sun, 0168° / 52°0
Morning52°feels 52°
Afternoon65°feels 64°
Evening60°feels 60°
Overnight53°feels 53°
68 °
Marengo, Sunday, 1 November
Partly cloudy. High 68°, low 52°.
Pressure30.27 inHg
Wind7.4 mph E
Humidity83%
Visibility6.2 mi
Dew point56°
Mon, 0266° / 56°0.15
Morning59°feels 59°
Afternoon65°feels 65°
Evening64°feels 64°
Overnight62°feels 62°
66 °
Marengo, Monday, 2 November
Light rain. High 66°, low 56°.
Pressure30.00 inHg
Wind15.5 mph SE
Humidity77%
Visibility—
Dew point57°
Tue, 0361° / 57°0.37
Morning58°feels 58°
Afternoon58°feels 58°
Evening57°feels 58°
Overnight58°feels 58°
61 °
Marengo, Tuesday, 3 November
Rain. High 61°, low 57°.
Pressure29.83 inHg
Wind17.6 mph SE
Humidity95%
Visibility—
Dew point56°
Wed, 0457° / 55°0.81
Morning56°feels 56°
Afternoon57°feels 57°
Evening56°feels 56°
Overnight56°feels 55°
57 °
Marengo, Wednesday, 4 November
Rain. High 57°, low 55°.
Pressure29.71 inHg
Wind16 mph NE
Humidity97%
Visibility—
Dew point56°
Thu, 0559° / 50°0.01
Morning54°feels 53°
Afternoon55°feels 54°
Evening52°feels 50°
Overnight50°feels 47°
59 °
Marengo, Thursday, 5 November
Light rain. High 59°, low 50°.
Pressure29.77 inHg
Wind14.5 mph N
Humidity84%
Visibility—
Dew point51°
Fri, 0650° / 40°0
Morning43°feels 38°
Afternoon48°feels 45°
Evening43°feels 39°
Overnight41°feels 37°
50 °
Marengo, Friday, 6 November
Overcast. High 50°, low 40°.
Pressure30.06 inHg
Wind9.4 mph N
Humidity49%
Visibility—
Dew point30°
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.