Rensselaer, IN Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Rensselaer, IN in one place.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms between 8am and noon, then a chance of showers and thunderstorms between noon and 1pm, then showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 73 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
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: Apr 14, 2026 11:51 PM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Rensselaer, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 14, 2026 11:51 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Rensselaer
Friday looks like the warmest upcoming period in Rensselaer at 79 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 15 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 11:51 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
Showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 73. Southwest wind 10 to 15 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 54. Northwest wind 5 to 10 mph. Chance of precipitation is 70%.
Partly sunny, with a high near 79.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 60.
Showers and thunderstorms. Mostly cloudy, with a high near 71.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 38.
Mostly sunny, with a high near 52.
Mostly clear, with a low around 34.
Sunny, with a high near 58.
Mostly clear, with a low around 39.
Sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
77°F |
10 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms
|
62°F |
10 mph
SSW
|
|
Thursday
Apr 16
|
Rain Showers Likely
|
73°F |
10 to 15 mph
SW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely
|
54°F |
5 to 10 mph
NW
|
|
Friday
Apr 17
|
Partly Sunny
|
79°F |
5 to 10 mph
SSE
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
60°F |
10 to 15 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
71°F |
15 mph
SW
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms
|
38°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Mostly Sunny
|
52°F |
10 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
34°F |
5 to 10 mph
WNW
|
|
Monday
Apr 20
|
Sunny
|
58°F |
5 to 10 mph
WNW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
39°F |
5 mph
SSE
|
|
Tuesday
Apr 21
|
Sunny
|
67°F |
5 to 15 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rensselaer.