Lancaster, IN Weather Forecast

Local 7-day forecast

79°
F

Slight Chance Showers And Thunderstorms

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

Thursday, October 15, 2026
Wind: 5 mph S
This Afternoon

A slight chance of rain showers before 5pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 79. South wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Lancaster, 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 15, 2026 6:32 PM EDT.

The active forecast window currently covers Oct 15 to Oct 21, 2026 for Lancaster, IN.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 21, 2026
Latest sync
Oct 15, 2026 6:32 PM EDT
Forecast office
LMK
Source
NOAA / NWS
Next High
79°F
This Afternoon
Next Low
57°F
Tonight
Rain Outlook
4
Periods mentioning precipitation
Windiest
9 to 13 mph
Friday

Daily Outlook

Today
Oct 15
Slight Chance Showers And Thunderstorms
79 °F
/ 57°F
Wind 5 mph
Fri
Oct 16
Chance Rain Showers
59 °F
/ 39°F
Wind 9 to 13 mph
Sat
Oct 17
Mostly Sunny
55 °F
/ 35°F
Wind 5 to 8 mph
Sun
Oct 18
Areas Of Frost then Sunny
63 °F
/ 38°F
Wind 3 mph
Mon
Oct 19
Sunny
68 °F
/ 42°F
Wind 2 mph
Tue
Oct 20
Mostly Sunny
71 °F
/ 44°F
Wind 1 mph
Wed
Oct 21
Sunny
72 °F
/ 44°F
Wind 2 mph

This Week in Lancaster

This Afternoon looks like the warmest upcoming period in Lancaster at 79 degrees F.

Saturday Night is the coolest period ahead with temperatures near 35 degrees F.

The strongest winds are forecast for Friday at about 9 to 13 mph W.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Oct 15, 2026 6:32 PM EDT
Coverage
7 days
Time zone
America/Indiana/Indianapolis
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

Tonight
Oct 15
57°F
Chance Showers And Thunderstorms
5 to 9 mph SW

A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a chance of showers and thunderstorms. Mostly cloudy. Low around 57, with temperatures rising to around 70 overnight. Southwest wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday
Oct 16
59°F
Chance Rain Showers
9 to 13 mph W

A chance of rain showers before 2pm. Mostly cloudy, with a high near 59. West wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Friday Night
Oct 16
39°F
Slight Chance Rain Showers then Mostly Cloudy
7 to 12 mph NW

A slight chance of rain showers between 8pm and 9pm. Mostly cloudy, with a low around 39. Northwest wind 7 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Saturday
Oct 17
55°F
Mostly Sunny
5 to 8 mph N

Mostly sunny, with a high near 55. North wind 5 to 8 mph.

Saturday Night
Oct 17
35°F
Clear then Areas Of Frost
3 mph NE

Areas of frost after 4am. Clear, with a low around 35.

Sunday
Oct 18
63°F
Areas Of Frost then Sunny
3 mph SE

Areas of frost before 7am. Sunny, with a high near 63.

Sunday Night
Oct 18
38°F
Clear
2 mph SE

Clear, with a low around 38.

Monday
Oct 19
68°F
Sunny
2 mph S

Sunny, with a high near 68.

Monday Night
Oct 19
42°F
Partly Cloudy
1 mph E

Partly cloudy, with a low around 42.

Tuesday
Oct 20
71°F
Mostly Sunny
1 mph NE

Mostly sunny, with a high near 71.

Tuesday Night
Oct 20
44°F
Mostly Clear
1 mph NE

Mostly clear, with a low around 44.

Wednesday
Oct 21
72°F
Sunny
2 mph NE

Sunny, with a high near 72.

Wednesday Night
Oct 21
44°F
Mostly Clear
1 mph E

Mostly clear, with a low around 44.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Oct 15
Slight Chance Showers And Thunderstorms
79°F
5 mph
S
Tonight
Oct 15
Chance Showers And Thunderstorms
57°F
5 to 9 mph
SW
Friday
Oct 16
Chance Rain Showers
59°F
9 to 13 mph
W
Friday Night
Oct 16
Slight Chance Rain Showers then Mostly Cloudy
39°F
7 to 12 mph
NW
Saturday
Oct 17
Mostly Sunny
55°F
5 to 8 mph
N
Saturday Night
Oct 17
Clear then Areas Of Frost
35°F
3 mph
NE
Sunday
Oct 18
Areas Of Frost then Sunny
63°F
3 mph
SE
Sunday Night
Oct 18
Clear
38°F
2 mph
SE
Monday
Oct 19
Sunny
68°F
2 mph
S
Monday Night
Oct 19
Partly Cloudy
42°F
1 mph
E
Tuesday
Oct 20
Mostly Sunny
71°F
1 mph
NE
Tuesday Night
Oct 20
Mostly Clear
44°F
1 mph
NE
Wednesday
Oct 21
Sunny
72°F
2 mph
NE
Wednesday Night
Oct 21
Mostly Clear
44°F
1 mph
E
Norwell High School  Indiana
Norwell High School Indiana image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.