10-day forecast for Marengo, IA: 45° to 70°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Saturday, November 7
66° · 1 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3168° / 49°0.83
Morning50°feels 48°
Afternoon68°feels 68°
Evening60°feels 60°
Overnight51°feels 50°
68 °
Marengo, Saturday, 31 October
Heavy rain. High 68°, low 49°.
Pressure30.24 inHg
Wind2.6 mph SW
Humidity86%
Visibility5.0 mi
Dew point57°
Sun, 0170° / 56°0.11
Morning56°feels 56°
Afternoon69°feels 69°
Evening63°feels 62°
Overnight58°feels 58°
70 °
Marengo, Sunday, 1 November
Rain. High 70°, low 56°.
Pressure30.21 inHg
Wind7.6 mph SE
Humidity67%
Visibility6.2 mi
Dew point55°
Mon, 0265° / 60°0.66
Morning60°feels 60°
Afternoon64°feels 64°
Evening65°feels 66°
Overnight62°feels 62°
65 °
Marengo, Monday, 2 November
Rain. High 65°, low 60°.
Pressure29.88 inHg
Wind15.2 mph SE
Humidity96%
Visibility3.1 mi
Dew point60°
Tue, 0366° / 57°1
Morning65°feels 66°
Afternoon65°feels 65°
Evening58°feels 58°
Overnight65°feels 66°
66 °
Marengo, Tuesday, 3 November
Rain. High 66°, low 57°.
Pressure29.71 inHg
Wind14.4 mph S
Humidity77%
Visibility—
Dew point58°
Wed, 0456° / 55°0.24
Morning55°feels 55°
Afternoon56°feels 55°
Evening55°feels 54°
Overnight55°feels 54°
56 °
Marengo, Wednesday, 4 November
Rain. High 56°, low 55°.
Pressure29.83 inHg
Wind15.5 mph NW
Humidity78%
Visibility—
Dew point49°
Thu, 0561° / 50°0.03
Morning53°feels 49°
Afternoon59°feels 58°
Evening53°feels 53°
Overnight51°feels 49°
61 °
Marengo, Thursday, 5 November
Light rain. High 61°, low 50°.
Pressure29.80 inHg
Wind12.6 mph N
Humidity70%
Visibility—
Dew point49°
Fri, 0655° / 45°0
Morning48°feels 45°
Afternoon54°feels 52°
Evening49°feels 46°
Overnight47°feels 43°
55 °
Marengo, Friday, 6 November
Overcast. High 55°, low 45°.
Pressure30.09 inHg
Wind7.4 mph SE
Humidity59%
Visibility—
Dew point39°
Sat, 0763° / 47°0.02
Morning51°feels 49°
Afternoon59°feels 58°
Evening59°feels 59°
Overnight56°feels 55°
63 °
Marengo, Saturday, 7 November
Light rain. High 63°, low 47°.
Pressure30.15 inHg
Wind13.5 mph S
Humidity67%
Visibility—
Dew point47°
Sun, 0860° / 46°0
Morning50°feels 47°
Afternoon57°feels 56°
Evening52°feels 50°
Overnight49°feels 47°
60 °
Marengo, Sunday, 8 November
Clear. High 60°, low 46°.
Pressure30.27 inHg
Wind11.4 mph NW
Humidity61%
Visibility—
Dew point43°
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.