Marengo, IA Weather Forecast

Local 7-day forecast

94°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Marengo, IA in one place.

Thursday, July 16, 2026
Wind: 0 to 5 mph SW
Thursday

Sunny, with a high near 94.

Local 7-day forecast

Local Weather Overview

This forecast page for Marengo, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 7:04 PM CDT.

The active forecast window currently covers Jul 16 to Jul 20, 2026 for Marengo, IA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 16 to Jul 20, 2026
Latest sync
Jul 14, 2026 7:04 PM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
94°F
Thursday
Next Low
72°F
Thursday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
Jul 16
Sunny
94 °F
/ 72°F
Wind 0 to 5 mph
Fri
Jul 17
Sunny then Chance Showers And Thunderstorms
94 °F
/ 72°F
Wind 0 to 5 mph
Sat
Jul 18
Sunny
95 °F
/ 70°F
Wind 5 to 10 mph
Sun
Jul 19
Sunny
94 °F
/ 71°F
Wind 5 mph
Mon
Jul 20
Slight Chance Showers And Thunderstorms then Sunny
93 °F
/ 68°F
Wind 5 to 10 mph

This Week in Marengo

Saturday looks like the warmest upcoming period in Marengo at 95 degrees F.

Monday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Saturday at about 5 to 10 mph W.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 7:04 PM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
DVN
Radar station
KDVN

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Thursday Night
Jul 16
72°F
Mostly Clear
0 mph

Mostly clear, with a low around 72.

Friday
Jul 17
94°F
Sunny then Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Chance of precipitation is 30%.

Friday Night
Jul 17
72°F
Chance Showers And Thunderstorms then Mostly Clear
5 mph SW

A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 30%.

Saturday
Jul 18
95°F
Sunny
5 to 10 mph W

Sunny, with a high near 95.

Saturday Night
Jul 18
70°F
Mostly Clear
5 to 10 mph N

Mostly clear, with a low around 70.

Sunday
Jul 19
94°F
Sunny
5 mph SE

Sunny, with a high near 94.

Sunday Night
Jul 19
71°F
Mostly Clear then Slight Chance Showers And Thunderstorms
5 mph SW

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.

Monday
Jul 20
93°F
Slight Chance Showers And Thunderstorms then Sunny
5 to 10 mph W

A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 93.

Monday Night
Jul 20
68°F
Mostly Clear
5 to 10 mph NW

Mostly clear, with a low around 68.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Jul 16
Sunny
94°F
0 to 5 mph
SW
Thursday Night
Jul 16
Mostly Clear
72°F
0 mph
Friday
Jul 17
Sunny then Chance Showers And Thunderstorms
94°F
0 to 5 mph
SW
Friday Night
Jul 17
Chance Showers And Thunderstorms then Mostly Clear
72°F
5 mph
SW
Saturday
Jul 18
Sunny
95°F
5 to 10 mph
W
Saturday Night
Jul 18
Mostly Clear
70°F
5 to 10 mph
N
Sunday
Jul 19
Sunny
94°F
5 mph
SE
Sunday Night
Jul 19
Mostly Clear then Slight Chance Showers And Thunderstorms
71°F
5 mph
SW
Monday
Jul 20
Slight Chance Showers And Thunderstorms then Sunny
93°F
5 to 10 mph
W
Monday Night
Jul 20
Mostly Clear
68°F
5 to 10 mph
NW
Marengo Public Library
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.