Live Weather & Forecast

Weather in Rensselaer

Q: What is the current weather in Rensselaer?

Current conditions in Rensselaer: Partly cloudy, temperature 26°C, humidity 60%.

Q: What is the best time to visit Rensselaer?

The best time to visit Rensselaer is typically June – September. Warm, dry summers — ideal for outdoor activities.

Q: What are the GPS coordinates used for the weather forecast in Rensselaer?

The weather forecast for Rensselaer uses coordinates 40.9367, -87.1509.

Indiana, United States · Real-time conditions & 3-day outlook

26^°C

Feels like 27°C

78°F / Feels 80°F

Partly cloudy

Rensselaer, Indiana

🌞 Daytime

Updated: 2026-04-13 13:30

💧

Humidity

60%

💨

Wind

23.4 km/h SW

🌬️

Wind Gust

28.4 km/h

🌡️

Pressure

1014 mb

👁️

Visibility

16 km

☀️

UV Index

4.4 (Moderate)

🌧️

Precipitation

0 mm

☁️

Cloud Cover

50%

💦

Dew Point

17.9°C

🌐

Wind Degree

224°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)

151.9 μg/m³

NO₂

2.9 μg/m³

O₃

90 μg/m³

SO₂

1.2 μg/m³

PM 2.5

5.6 μg/m³

PM 10

6.5 μg/m³

Weather Alerts 2

Met · Severe · Immediate

Flood Warning issued April 12 at 9:04PM CDT until April 13 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Indiana... Illinois... Kankakee River at Shelby affecting Lake IN and Newton Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kankakee River from Near I-65 and De Motte downstream to IL/IN state line, includ...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-12T21:04:00-05:00 · Expires: 2026-04-13T15:15:00-05:00

Met · Severe · Immediate

Flood Warning issued April 13 at 10:13AM CDT until April 13 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Lake IL and Kane Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is...

Effective: 2026-04-13T10:13:00-05:00 · Expires: 2026-04-13T19:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Rensselaer, Indiana

12 AM

20°

Patchy rain nearby

💧 72% 💨 37.1 km/h 🌧️ 100%

1 AM

19°

Patchy rain nearby

💧 59% 💨 37.4 km/h 🌧️ 100%

2 AM

19°

Patchy rain nearby

💧 68% 💨 33.1 km/h 🌧️ 100%

3 AM

19°

Patchy rain nearby

💧 76% 💨 27.7 km/h 🌧️ 72%

4 AM

18°

Patchy rain nearby

💧 78% 💨 27.4 km/h 🌧️ 67%

5 AM

18°

Moderate rain at times

💧 84% 💨 25.6 km/h 🌧️ 100%

6 AM

18°

Clear

💧 84% 💨 24.1 km/h

7 AM

18°

Sunny

💧 87% 💨 20.9 km/h

8 AM

19°

Sunny

💧 80% 💨 19.1 km/h

9 AM

20°

Sunny

💧 77% 💨 19.1 km/h

10 AM

22°

Sunny

💧 74% 💨 23.8 km/h

11 AM

24°

Sunny

💧 69% 💨 25.6 km/h

12 PM

25°

Partly Cloudy

💧 64% 💨 24.1 km/h

1 PM

26°

Partly cloudy

💧 60% 💨 23.4 km/h

2 PM

29°

Sunny

💧 53% 💨 23.8 km/h

3 PM

30°

Sunny

💧 48% 💨 23 km/h

4 PM

30°

Sunny

💧 45% 💨 22.7 km/h

5 PM

29°

Sunny

💧 45% 💨 24.8 km/h

6 PM

28°

Patchy rain nearby

💧 49% 💨 23.8 km/h 🌧️ 81%

7 PM

27°

Patchy rain nearby

💧 53% 💨 23 km/h 🌧️ 100%

8 PM

25°

Patchy rain nearby

💧 59% 💨 26.6 km/h 🌧️ 60%

9 PM

24°

Clear

💧 63% 💨 28.1 km/h

10 PM

23°

Clear

💧 68% 💨 31 km/h

11 PM

22°

Clear

💧 67% 💨 31.7 km/h

3-Day Forecast

Daily overview for Rensselaer, Indiana

Today

Patchy rain nearby

31° / 18°

🌧️ 89% chance of rain

💧 Avg. humidity: 66%

💨 Max wind: 37.4 km/h

🌧️ Total precip: 1.96 mm

☀️ UV Index: 1.1

🌅 Sunrise: 06:12 AM

🌇 Sunset: 07:27 PM

🌙 Waning Crescent

🌑 Moon: 23% lit

Tue, Apr 14

Patchy rain nearby

23° / 19°

🌧️ 60% chance of rain

💧 Avg. humidity: 85%

💨 Max wind: 33.8 km/h

🌧️ Total precip: 0.55 mm

☀️ UV Index: 1.3

🌅 Sunrise: 06:11 AM

🌇 Sunset: 07:28 PM

🌙 Waning Crescent

🌑 Moon: 15% lit

Wed, Apr 15

Heavy rain

23° / 18°

🌧️ 89% chance of rain

💧 Avg. humidity: 87%

💨 Max wind: 28.4 km/h

🌧️ Total precip: 25.87 mm

☀️ UV Index: 0.9

🌅 Sunrise: 06:09 AM

🌇 Sunset: 07:29 PM

🌙 Waning Crescent

🌑 Moon: 8% lit

Best Time to Visit Rensselaer

Plan your trip to Rensselaer, United States around the most favorable weather conditions.

Peak Season

June – September

Warm, dry summers — ideal for outdoor activities.

Shoulder Season

April – May, October

Fewer crowds, moderate prices, mild weather.

Off Season

November – March

Cooler temperatures; some regions may experience rain or snow.

← Back to Rensselaer 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Rensselaer?

Current conditions in Rensselaer: Partly cloudy, temperature 26°C, humidity 60%.

What is the best time to visit Rensselaer?

The best time to visit Rensselaer is typically June – September. Warm, dry summers — ideal for outdoor activities.

What is the climate like in Rensselaer?

Rensselaer is located at approximately 40.9° latitude. It has a temperate climate with warm summers and cold winters.

Does it rain a lot in Rensselaer?

The wettest period in Rensselaer is typically during November – March. Cooler temperatures; some regions may experience rain or snow.

What should I pack for a trip to Rensselaer?

For visits to Rensselaer during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.

What country is Rensselaer in?

Rensselaer is located in United States, in the state of Indiana.

What are the public holidays in Rensselaer in 2026?

View the 2026 public holidays for Rensselaer on our Holidays page.

What are the GPS coordinates used for the weather forecast in Rensselaer?

The weather forecast for Rensselaer uses coordinates 40.9367, -87.1509.