Lewisville, IN Weather Forecast

Local 7-day forecast

70°
F

Partly Cloudy

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

Thursday, September 17, 2026
Wind: 5 mph SSW
Overnight

Partly cloudy, with a low around 70. South southwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Lewisville, 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: Sep 17, 2026 3:02 AM EDT.

The active forecast window currently covers Sep 17 to Sep 23, 2026 for Lewisville, IN.

Page Snapshot

Page focus
city weather
Forecast window
Sep 17 to Sep 23, 2026
Latest sync
Sep 17, 2026 3:02 AM EDT
Forecast office
IND
Source
NOAA / NWS
Next High
86°F
Thursday
Next Low
70°F
Overnight
Rain Outlook
13
Periods mentioning precipitation
Windiest
3 to 7 mph
Friday

Daily Outlook

Today
Sep 17
Chance Showers And Thunderstorms
86 °F
/ 70°F
Wind 6 mph
Fri
Sep 18
Slight Chance Rain Showers
81 °F
/ 62°F
Wind 3 to 7 mph
Sat
Sep 19
Mostly Sunny then Slight Chance Showers And Thunderstorms
87 °F
/ 69°F
Wind 7 mph
Sun
Sep 20
Chance Rain Showers
84 °F
/ 63°F
Wind 3 to 7 mph
Mon
Sep 21
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
82 °F
/ 61°F
Wind 7 mph
Tue
Sep 22
Chance Showers And Thunderstorms
79 °F
/ 61°F
Wind 7 mph
Wed
Sep 23
Partly Sunny then Slight Chance Rain Showers
78 °F
Wind 6 mph

This Week in Lewisville

Saturday looks like the warmest upcoming period in Lewisville at 87 degrees F.

Monday Night is the coolest period ahead with temperatures near 61 degrees F.

The strongest winds are forecast for Friday at about 3 to 7 mph NE.

Precipitation is mentioned in 13 upcoming forecast periods.

Forecast Details

Last updated
Sep 17, 2026 3:02 AM EDT
Coverage
7 days
Time zone
America/Indiana/Indianapolis
Forecast office
IND
Radar station
KIND

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

Open NOAA source

Extended Forecast

Thursday
Sep 17
86°F
Chance Showers And Thunderstorms
6 mph W

A chance of showers and thunderstorms. Mostly sunny, with a high near 86. West wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night
Sep 17
68°F
Slight Chance Showers And Thunderstorms
6 mph N

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday
Sep 18
81°F
Slight Chance Rain Showers
3 to 7 mph NE

A slight chance of rain showers before 2pm. Partly sunny, with a high near 81. Northeast wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday Night
Sep 18
62°F
Partly Cloudy
6 mph E

Partly cloudy, with a low around 62. East wind around 6 mph.

Saturday
Sep 19
87°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
7 mph S

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. South wind around 7 mph. Chance of precipitation is 20%.

Saturday Night
Sep 19
69°F
Chance Showers And Thunderstorms
6 mph SSW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southwest wind around 6 mph. Chance of precipitation is 40%.

Sunday
Sep 20
84°F
Chance Rain Showers
3 to 7 mph WSW

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. West southwest wind 3 to 7 mph. Chance of precipitation is 40%.

Sunday Night
Sep 20
63°F
Chance Showers And Thunderstorms
7 mph NE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Northeast wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

Monday
Sep 21
82°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
7 mph ENE

A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East northeast wind around 7 mph. Chance of precipitation is 20%.

Monday Night
Sep 21
61°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
7 mph ENE

A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

Tuesday
Sep 22
79°F
Chance Showers And Thunderstorms
7 mph ENE

A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.

Tuesday Night
Sep 22
61°F
Chance Showers And Thunderstorms
3 to 7 mph NE

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

Wednesday
Sep 23
78°F
Partly Sunny then Slight Chance Rain Showers
6 mph N

A slight chance of rain showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 20%.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 17
Partly Cloudy
70°F
5 mph
SSW
Thursday
Sep 17
Chance Showers And Thunderstorms
86°F
6 mph
W
Thursday Night
Sep 17
Slight Chance Showers And Thunderstorms
68°F
6 mph
N
Friday
Sep 18
Slight Chance Rain Showers
81°F
3 to 7 mph
NE
Friday Night
Sep 18
Partly Cloudy
62°F
6 mph
E
Saturday
Sep 19
Mostly Sunny then Slight Chance Showers And Thunderstorms
87°F
7 mph
S
Saturday Night
Sep 19
Chance Showers And Thunderstorms
69°F
6 mph
SSW
Sunday
Sep 20
Chance Rain Showers
84°F
3 to 7 mph
WSW
Sunday Night
Sep 20
Chance Showers And Thunderstorms
63°F
7 mph
NE
Monday
Sep 21
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
82°F
7 mph
ENE
Monday Night
Sep 21
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
61°F
7 mph
ENE
Tuesday
Sep 22
Chance Showers And Thunderstorms
79°F
7 mph
ENE
Tuesday Night
Sep 22
Chance Showers And Thunderstorms
61°F
3 to 7 mph
NE
Wednesday
Sep 23
Partly Sunny then Slight Chance Rain Showers
78°F
6 mph
N
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.