Boston, IN Weather Forecast

Local 7-day forecast

73°
F

Showers And Thunderstorms

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

Saturday, April 18, 2026
Wind: 12 to 18 mph SW
Saturday

Showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 80%.

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: Apr 15, 2026 7:22 AM EDT.

The active forecast window currently covers Apr 18 to Apr 21, 2026 for Boston, IN.

Page Snapshot

Page focus
city weather
Forecast window
Apr 18 to Apr 21, 2026
Latest sync
Apr 15, 2026 7:22 AM EDT
Forecast office
ILN
Source
NOAA / NWS
Next High
73°F
Saturday
Next Low
40°F
Saturday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
12 to 18 mph
Saturday

Daily Outlook

Today
Apr 18
Showers And Thunderstorms
73 °F
/ 40°F
Wind 12 to 18 mph
Sun
Apr 19
Chance Rain Showers
54 °F
/ 33°F
Wind 12 to 17 mph
Mon
Apr 20
Sunny
58 °F
/ 40°F
Wind 9 mph
Tue
Apr 21
Mostly Sunny
71 °F
Wind 7 to 14 mph

This Week in Boston

Saturday looks like the warmest upcoming period in Boston at 73 degrees F.

Sunday Night is the coolest period ahead with temperatures near 33 degrees F.

The strongest winds are forecast for Saturday at about 12 to 18 mph SW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 7:22 AM EDT
Coverage
4 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
Apr 18
40°F
Showers And Thunderstorms Likely
12 to 16 mph W

Showers and thunderstorms likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

Sunday
Apr 19
54°F
Chance Rain Showers
12 to 17 mph W

A chance of rain showers before 2pm. Mostly sunny, with a high near 54. Chance of precipitation is 30%.

Sunday Night
Apr 19
33°F
Mostly Clear
7 to 15 mph NW

Mostly clear, with a low around 33.

Monday
Apr 20
58°F
Sunny
9 mph W

Sunny, with a high near 58.

Monday Night
Apr 20
40°F
Mostly Clear
5 to 8 mph SW

Mostly clear, with a low around 40.

Tuesday
Apr 21
71°F
Mostly Sunny
7 to 14 mph SW

Mostly sunny, with a high near 71.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Apr 18
Showers And Thunderstorms
73°F
12 to 18 mph
SW
Saturday Night
Apr 18
Showers And Thunderstorms Likely
40°F
12 to 16 mph
W
Sunday
Apr 19
Chance Rain Showers
54°F
12 to 17 mph
W
Sunday Night
Apr 19
Mostly Clear
33°F
7 to 15 mph
NW
Monday
Apr 20
Sunny
58°F
9 mph
W
Monday Night
Apr 20
Mostly Clear
40°F
5 to 8 mph
SW
Tuesday
Apr 21
Mostly Sunny
71°F
7 to 14 mph
SW
Bank in Boston  Indiana
Bank in Boston 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.