Rensselaer, IN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rensselaer, IN in one place.
Sunny. High near 86, with temperatures falling to around 83 in the afternoon. West wind around 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Rensselaer, 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 13, 2026 6:08 PM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Rensselaer, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 6:08 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Rensselaer
This Afternoon looks like the warmest upcoming period in Rensselaer at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 6:08 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. North northeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 3pm. Mostly cloudy. High near 71, with temperatures falling to around 68 in the afternoon. North northeast wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly cloudy, with a low around 56. Northeast wind 5 to 10 mph.
A chance of rain showers before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 69. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.
Showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 100%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 58.
Partly cloudy, with a low around 36.
Sunny, with a high near 60.
Mostly clear, with a low around 37.
Sunny, with a high near 66.
Partly cloudy, with a low around 46.
Partly sunny, with a high near 68.
Mostly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Sunny
|
86°F |
10 mph
W
|
|
Tonight
Oct 13
|
Slight Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
NNE
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms
|
71°F |
0 to 10 mph
NNE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
56°F |
5 to 10 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
69°F |
5 to 10 mph
SE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
49°F |
5 to 15 mph
WSW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Partly Sunny
|
58°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
36°F |
0 to 15 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
60°F |
0 to 5 mph
W
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
37°F |
0 to 5 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
5 to 10 mph
SSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
46°F |
5 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
68°F |
5 mph
SSW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
46°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rensselaer.