Marengo, IN Weather Forecast

Local 7-day forecast

40°
F

Clear

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

Thursday, October 22, 2026
Wind: 2 mph E
Tonight

Clear, with a low around 40. East wind around 2 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Marengo, IN 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: Oct 22, 2026 9:37 PM EDT.

The active forecast window currently covers Oct 22 to Oct 29, 2026 for Marengo, IN.

Page Snapshot

Page focus
city weather
Forecast window
Oct 22 to Oct 29, 2026
Latest sync
Oct 22, 2026 9:37 PM EDT
Forecast office
LMK
Source
NOAA / NWS
Next High
72°F
Friday
Next Low
40°F
Tonight
Rain Outlook
1
Periods mentioning precipitation
Windiest
5 mph
Thursday

Daily Outlook

Today
Oct 22
Clear
40 °F
/ 40°F
Wind 2 mph
Fri
Oct 23
Sunny
72 °F
/ 41°F
Wind 3 mph
Sat
Oct 24
Sunny
72 °F
/ 39°F
Wind 0 to 3 mph
Sun
Oct 25
Sunny
74 °F
/ 43°F
Wind 1 mph
Mon
Oct 26
Mostly Sunny
74 °F
/ 45°F
Wind 1 mph
Tue
Oct 27
Partly Sunny
72 °F
/ 46°F
Wind 2 mph
Wed
Oct 28
Mostly Sunny
71 °F
/ 45°F
Wind 3 mph

This Week in Marengo

Sunday looks like the warmest upcoming period in Marengo at 74 degrees F.

Saturday Night is the coolest period ahead with temperatures near 39 degrees F.

The strongest winds are forecast for Thursday at about 5 mph SW.

Precipitation is mentioned in 1 upcoming forecast period.

Forecast Details

Last updated
Oct 22, 2026 9:37 PM EDT
Coverage
8 days
Time zone
America/Indiana/Marengo
Forecast office
LMK
Radar station
KLVX

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

Open NOAA source

Extended Forecast

Friday
Oct 23
72°F
Sunny
3 mph E

Sunny, with a high near 72. East wind around 3 mph.

Friday Night
Oct 23
41°F
Clear
3 mph E

Clear, with a low around 41. East wind around 3 mph.

Saturday
Oct 24
72°F
Sunny
0 to 3 mph E

Sunny, with a high near 72. East wind 0 to 3 mph.

Saturday Night
Oct 24
39°F
Mostly Clear
1 mph E

Mostly clear, with a low around 39. East wind around 1 mph.

Sunday
Oct 25
74°F
Sunny
1 mph S

Sunny, with a high near 74.

Sunday Night
Oct 25
43°F
Mostly Clear
0 mph

Mostly clear, with a low around 43.

Monday
Oct 26
74°F
Mostly Sunny
1 mph NW

Mostly sunny, with a high near 74.

Monday Night
Oct 26
45°F
Mostly Cloudy
0 mph

Mostly cloudy, with a low around 45.

Tuesday
Oct 27
72°F
Partly Sunny
2 mph E

Partly sunny, with a high near 72.

Tuesday Night
Oct 27
46°F
Mostly Cloudy
1 mph E

Mostly cloudy, with a low around 46.

Wednesday
Oct 28
71°F
Mostly Sunny
3 mph S

Mostly sunny, with a high near 71.

Wednesday Night
Oct 28
45°F
Partly Cloudy
2 mph S

Partly cloudy, with a low around 45.

Thursday
Oct 29
71°F
Sunny then Slight Chance Rain Showers
5 mph SW

A slight chance of rain showers after 2pm. Sunny, with a high near 71.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Oct 22
Clear
40°F
2 mph
E
Friday
Oct 23
Sunny
72°F
3 mph
E
Friday Night
Oct 23
Clear
41°F
3 mph
E
Saturday
Oct 24
Sunny
72°F
0 to 3 mph
E
Saturday Night
Oct 24
Mostly Clear
39°F
1 mph
E
Sunday
Oct 25
Sunny
74°F
1 mph
S
Sunday Night
Oct 25
Mostly Clear
43°F
0 mph
Monday
Oct 26
Mostly Sunny
74°F
1 mph
NW
Monday Night
Oct 26
Mostly Cloudy
45°F
0 mph
Tuesday
Oct 27
Partly Sunny
72°F
2 mph
E
Tuesday Night
Oct 27
Mostly Cloudy
46°F
1 mph
E
Wednesday
Oct 28
Mostly Sunny
71°F
3 mph
S
Wednesday Night
Oct 28
Partly Cloudy
45°F
2 mph
S
Thursday
Oct 29
Sunny then Slight Chance Rain Showers
71°F
5 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.