Boston, IN Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Boston, IN in one place.
Mostly cloudy, with a high near 73. Southeast wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.
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: Oct 15, 2026 3:50 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Boston, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:50 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Boston
This Afternoon looks like the warmest upcoming period in Boston at 73 degrees F.
Saturday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 16 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:50 PM EDT
- Coverage
- 7 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 sourceExtended Forecast
A chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then showers and thunderstorms likely. Mostly cloudy. Low around 57, with temperatures rising to around 66 overnight. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely before 2pm. Mostly cloudy, with a high near 59. West wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers between 7pm and 2am. Mostly cloudy, with a low around 38. Northwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 52. North wind 6 to 14 mph, with gusts as high as 26 mph.
Areas of frost after 1am. Clear, with a low around 32.
Widespread frost before 9am. Sunny, with a high near 60.
Clear, with a low around 38.
Sunny, with a high near 65.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 42.
Sunny, with a high near 67.
Mostly clear, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Cloudy
|
73°F |
6 mph
SE
|
|
Tonight
Oct 15
|
Chance Showers And Thunderstorms
|
57°F |
7 to 15 mph
S
|
|
Friday
Oct 16
|
Rain Showers Likely
|
59°F |
16 mph
W
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
38°F |
16 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
52°F |
6 to 14 mph
N
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
32°F |
5 mph
NE
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
60°F |
3 to 7 mph
SE
|
|
Sunday Night
Oct 18
|
Clear
|
38°F |
5 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
65°F |
6 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
3 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
66°F |
3 mph
E
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
42°F |
2 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
67°F |
3 mph
E
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
43°F |
3 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Boston.
