Boston, IN Weather Forecast

Local 7-day forecast

87°
F

Chance Showers And Thunderstorms

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

Saturday, July 18, 2026
Wind: 8 to 13 mph W
Saturday

A slight chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. West wind 8 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Boston, 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: Jul 17, 2026 8:36 AM EDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Boston, IN.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 8:36 AM EDT
Forecast office
ILN
Source
NOAA / NWS
Next High
87°F
Saturday
Next Low
66°F
Saturday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
12 to 15 mph
Tuesday

Daily Outlook

Today
Jul 18
Chance Showers And Thunderstorms
87 °F
/ 66°F
Wind 8 to 13 mph
Sun
Jul 19
Sunny
82 °F
/ 62°F
Wind 7 mph
Mon
Jul 20
Mostly Sunny
84 °F
/ 69°F
Wind 5 mph
Tue
Jul 21
Chance Showers And Thunderstorms
87 °F
/ 63°F
Wind 12 to 15 mph
Wed
Jul 22
Sunny
77 °F
/ 58°F
Wind 12 mph
Thu
Jul 23
Sunny
77 °F
/ 59°F
Wind 6 mph

This Week in Boston

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

Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.

The strongest winds are forecast for Tuesday at about 12 to 15 mph W.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 8:36 AM EDT
Coverage
6 days
Time zone
America/Indiana/Indianapolis
Forecast office
ILN
Radar station
KILN

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

Open NOAA source

Extended Forecast

Saturday Night
Jul 18
66°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
6 to 12 mph NW

Showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 2am. Mostly cloudy, with a low around 66. Northwest wind 6 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
Jul 19
82°F
Sunny
7 mph NE

Sunny, with a high near 82. Northeast wind around 7 mph.

Sunday Night
Jul 19
62°F
Mostly Clear
6 mph NE

Mostly clear, with a low around 62.

Monday
Jul 20
84°F
Mostly Sunny
5 mph S

Mostly sunny, with a high near 84.

Monday Night
Jul 20
69°F
Partly Cloudy then Chance Showers And Thunderstorms
3 to 12 mph SW

A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Tuesday
Jul 21
87°F
Chance Showers And Thunderstorms
12 to 15 mph W

A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.

Tuesday Night
Jul 21
63°F
Chance Showers And Thunderstorms then Partly Cloudy
8 to 14 mph NW

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 50%.

Wednesday
Jul 22
77°F
Sunny
12 mph N

Sunny, with a high near 77.

Wednesday Night
Jul 22
58°F
Mostly Clear
5 to 10 mph N

Mostly clear, with a low around 58.

Thursday
Jul 23
77°F
Sunny
6 mph NE

Sunny, with a high near 77.

Thursday Night
Jul 23
59°F
Mostly Clear
5 mph NE

Mostly clear, with a low around 59.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Chance Showers And Thunderstorms
87°F
8 to 13 mph
W
Saturday Night
Jul 18
Showers And Thunderstorms then Chance Showers And Thunderstorms
66°F
6 to 12 mph
NW
Sunday
Jul 19
Sunny
82°F
7 mph
NE
Sunday Night
Jul 19
Mostly Clear
62°F
6 mph
NE
Monday
Jul 20
Mostly Sunny
84°F
5 mph
S
Monday Night
Jul 20
Partly Cloudy then Chance Showers And Thunderstorms
69°F
3 to 12 mph
SW
Tuesday
Jul 21
Chance Showers And Thunderstorms
87°F
12 to 15 mph
W
Tuesday Night
Jul 21
Chance Showers And Thunderstorms then Partly Cloudy
63°F
8 to 14 mph
NW
Wednesday
Jul 22
Sunny
77°F
12 mph
N
Wednesday Night
Jul 22
Mostly Clear
58°F
5 to 10 mph
N
Thursday
Jul 23
Sunny
77°F
6 mph
NE
Thursday Night
Jul 23
Mostly Clear
59°F
5 mph
NE
Bank in Boston  Indiana
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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.