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Current weather in Rensselaer is overcast clouds.

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Weather data for Rensselaer is updated regularly with the latest available observations and forecasts.

Now · 1:52 AM

Rensselaer Weather & Hourly Forecast

United States · Indiana · 47978

61°F

Overcast night

Feels like: 56°F

💧 Humidity 73% 🌡 Pressure 30.27 inHg 💨 Wind 9 mph 👁 Visibility 19.5 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:36 AM 🌇 Sunset 6:45 PM

Hourly Forecast for Rensselaer

Today

2:00 AM

Overcast night

61° 💧 None 💨 9 mph H 73%30.27 inHg

5:00 AM

Overcast night

59° 💧 None 💨 10 mph H 75%30.27 inHg

8:00 AM

Overcast

58° 💧 0.001 in 💨 9 mph H 78%30.30 inHg

11:00 AM

Overcast

63° 💧 0.001 in 💨 13 mph H 71%30.33 inHg

2:00 PM

Overcast

64° 💧 0.001 in 💨 12 mph H 72%30.30 inHg

5:00 PM

Overcast

63° 💧 None 💨 13 mph H 76%30.27 inHg

8:00 PM

Overcast night

63° 💧 None 💨 8 mph H 79%30.30 inHg

11:00 PM

Mostly cloudy night

61° 💧 None 💨 9 mph H 65%30.30 inHg

Tomorrow

2:00 AM

Mostly clear night

57° 💧 None 💨 7 mph H 77%30.30 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 6 mph H 85%30.30 inHg

8:00 AM

Mostly cloudy

58° 💧 None 💨 7 mph H 82%30.33 inHg

11:00 AM

Sunny

65° 💧 None 💨 8 mph H 66%30.33 inHg

2:00 PM

Mostly sunny

70° 💧 None 💨 9 mph H 59%30.27 inHg

5:00 PM

Overcast

70° 💧 None 💨 8 mph H 58%30.24 inHg

8:00 PM

Overcast night

63° 💧 None 💨 7 mph H 73%30.27 inHg

11:00 PM

Overcast night

59° 💧 None 💨 8 mph H 77%30.30 inHg

Today

2:00 AM

Overcast night

61° 💧 None 💨 9 mph H 73%30.27 inHg

3:00 AM

Overcast night

60° 💧 None 💨 9 mph H 74%30.27 inHg

4:00 AM

Overcast night

59° 💧 None 💨 9 mph H 74%30.27 inHg

5:00 AM

Overcast night

59° 💧 None 💨 10 mph H 75%30.27 inHg

6:00 AM

Overcast night

58° 💧 None 💨 11 mph H 76%30.30 inHg

7:00 AM

Overcast

58° 💧 None 💨 11 mph H 77%30.30 inHg

8:00 AM

Overcast

58° 💧 None 💨 9 mph H 78%30.30 inHg

9:00 AM

Overcast

60° 💧 0.000 in 💨 11 mph H 76%30.33 inHg

10:00 AM

Partly cloudy

61° 💧 0.001 in 💨 11 mph H 75%30.33 inHg

11:00 AM

Overcast

63° 💧 None 💨 13 mph H 71%30.33 inHg

12:00 PM

Overcast

63° 💧 0.000 in 💨 12 mph H 72%30.33 inHg

1:00 PM

Overcast

64° 💧 0.001 in 💨 11 mph H 73%30.30 inHg

2:00 PM

Overcast

64° 💧 0.000 in 💨 12 mph H 72%30.30 inHg

3:00 PM

Overcast

64° 💧 0.001 in 💨 12 mph H 72%30.30 inHg

4:00 PM

Overcast

63° 💧 0.001 in 💨 13 mph H 75%30.30 inHg

5:00 PM

Overcast

63° 💧 None 💨 13 mph H 76%30.27 inHg

6:00 PM

Overcast

63° 💧 None 💨 9 mph H 79%30.27 inHg

7:00 PM

Overcast night

62° 💧 None 💨 8 mph H 81%30.30 inHg

8:00 PM

Overcast night

63° 💧 None 💨 8 mph H 79%30.30 inHg

9:00 PM

Overcast night

62° 💧 None 💨 11 mph H 71%30.30 inHg

10:00 PM

Overcast night

61° 💧 None 💨 11 mph H 64%30.33 inHg

11:00 PM

Mostly cloudy night

61° 💧 None 💨 9 mph H 65%30.30 inHg

Tomorrow

12:00 AM

Partly cloudy night

59° 💧 None 💨 8 mph H 68%30.30 inHg

1:00 AM

Partly cloudy night

58° 💧 None 💨 7 mph H 73%30.30 inHg

2:00 AM

Mostly clear night

57° 💧 None 💨 7 mph H 77%30.30 inHg

3:00 AM

Mostly clear night

57° 💧 None 💨 7 mph H 79%30.30 inHg

4:00 AM

Mostly clear night

56° 💧 None 💨 6 mph H 83%30.30 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 6 mph H 85%30.30 inHg

6:00 AM

Overcast night

56° 💧 None 💨 7 mph H 85%30.30 inHg

7:00 AM

Overcast

57° 💧 None 💨 7 mph H 84%30.30 inHg

8:00 AM

Mostly cloudy

58° 💧 None 💨 7 mph H 82%30.33 inHg

9:00 AM

Partly cloudy

61° 💧 None 💨 8 mph H 74%30.33 inHg

10:00 AM

Sunny

63° 💧 None 💨 10 mph H 68%30.33 inHg

11:00 AM

Sunny

65° 💧 None 💨 8 mph H 66%30.33 inHg

12:00 PM

Sunny

67° 💧 None 💨 8 mph H 64%30.30 inHg

1:00 PM

Mostly sunny

69° 💧 None 💨 8 mph H 63%30.30 inHg

2:00 PM

Mostly sunny

70° 💧 None 💨 9 mph H 59%30.27 inHg

3:00 PM

Partly cloudy

71° 💧 None 💨 9 mph H 56%30.24 inHg

4:00 PM

Mostly cloudy

71° 💧 None 💨 8 mph H 56%30.24 inHg

5:00 PM

Overcast

70° 💧 None 💨 8 mph H 58%30.24 inHg

6:00 PM

Overcast

67° 💧 None 💨 7 mph H 65%30.24 inHg

7:00 PM

Overcast night

65° 💧 None 💨 7 mph H 70%30.24 inHg

8:00 PM

Overcast night

63° 💧 None 💨 7 mph H 73%30.27 inHg

9:00 PM

Mostly cloudy night

62° 💧 None 💨 8 mph H 75%30.27 inHg

10:00 PM

Mostly cloudy night

61° 💧 None 💨 8 mph H 76%30.27 inHg

11:00 PM

Overcast night

59° 💧 None 💨 8 mph H 77%30.30 inHg

Friday

12:00 AM

Overcast night

58° 💧 None 💨 10 mph H 73%30.27 inHg

1:00 AM

Mostly cloudy night

56° 💧 None 💨 8 mph H 73%30.27 inHg

2:00 AM

Overcast night

55° 💧 None 💨 7 mph H 75%30.27 inHg

3:00 AM

Overcast night

55° 💧 None 💨 8 mph H 74%30.27 inHg

4:00 AM

Overcast night

55° 💧 None 💨 6 mph H 74%30.27 inHg

5:00 AM

Overcast night

55° 💧 None 💨 5 mph H 76%30.30 inHg

6:00 AM

Overcast night

54° 💧 None 💨 5 mph H 77%30.30 inHg

7:00 AM

Overcast

54° 💧 None 💨 6 mph H 78%30.30 inHg

8:00 AM

Overcast

55° 💧 None 💨 5 mph H 79%30.33 inHg

9:00 AM

Overcast

55° 💧 None 💨 5 mph H 79%30.33 inHg

10:00 AM

Overcast

56° 💧 None 💨 6 mph H 78%30.33 inHg

11:00 AM

Overcast

57° 💧 None 💨 5 mph H 77%30.33 inHg

12:00 PM

Overcast

59° 💧 None 💨 6 mph H 72%30.33 inHg

1:00 PM

Overcast

62° 💧 None 💨 5 mph H 63%30.30 inHg

2:00 PM

Overcast

65° 💧 None 💨 6 mph H 54%30.27 inHg

3:00 PM

Overcast

65° 💧 None 💨 5 mph H 53%30.24 inHg

4:00 PM

Overcast

65° 💧 None 💨 5 mph H 53%30.24 inHg

5:00 PM

Overcast

65° 💧 None 💨 5 mph H 54%30.24 inHg

6:00 PM

Overcast

63° 💧 None 💨 3 mph H 70%30.24 inHg

7:00 PM

Overcast night

59° 💧 None 💨 4 mph H 73%30.24 inHg

10:00 PM

Overcast night

57° 💧 None 💨 6 mph H 87%30.24 inHg

Saturday

1:00 AM

Mostly clear night

55° 💧 None 💨 7 mph H 88%30.24 inHg

4:00 AM

Mostly clear night

51° 💧 None 💨 6 mph H 93%30.21 inHg

7:00 AM

Overcast

49° 💧 None 💨 6 mph H 94%30.24 inHg

10:00 AM

Mostly sunny

60° 💧 None 💨 7 mph H 74%30.24 inHg

1:00 PM

Mostly cloudy

67° 💧 None 💨 3 mph H 54%30.21 inHg

4:00 PM

Partly cloudy

69° 💧 None 💨 4 mph H 51%30.12 inHg

7:00 PM

Overcast night

62° 💧 None 💨 3 mph H 73%30.09 inHg

10:00 PM

Overcast night

60° 💧 None 💨 6 mph H 81%30.09 inHg

Sunday

1:00 AM

Overcast night

59° 💧 None 💨 5 mph H 83%30.09 inHg

4:00 AM

Overcast night

57° 💧 None 💨 3 mph H 88%30.06 inHg

7:00 AM

Overcast

54° 💧 None 💨 3 mph H 95%30.06 inHg

10:00 AM

Partly cloudy

64° 💧 None 💨 3 mph H 75%30.06 inHg

1:00 PM

Mostly cloudy

70° 💧 None 💨 1 mph H 57%30.03 inHg

4:00 PM

Mostly cloudy

70° 💧 None 💨 3 mph H 58%29.97 inHg

7:00 PM

Partly cloudy night

64° 💧 None 💨 4 mph H 78%29.97 inHg

10:00 PM

Clear night

60° 💧 None 💨 4 mph H 89%29.97 inHg

Monday

1:00 AM

Partly cloudy night

58° 💧 None 💨 3 mph H 93%29.94 inHg

4:00 AM

Mostly clear night

56° 💧 None 💨 3 mph H 91%29.94 inHg

7:00 AM

Sunny

54° 💧 None 💨 3 mph H 93%29.94 inHg

10:00 AM

Mostly sunny

68° 💧 None 💨 3 mph H 64%29.94 inHg

1:00 PM

Overcast

73° 💧 None 💨 3 mph H 53%29.91 inHg

7:00 PM

Overcast night

72° 💧 None 💨 3 mph H 63%29.97 inHg

Tuesday

1:00 AM

Clear night

67° 💧 None 💨 2 mph H 81%29.91 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 87%29.91 inHg

1:00 PM

Sunny

55° 💧 None 💨 6 mph H 87%29.91 inHg

7:00 PM

Mostly clear night

76° 💧 None 💨 8 mph H 48%29.88 inHg

Wednesday

1:00 AM

Overcast night

70° 💧 None 💨 8 mph H 63%29.80 inHg

7:00 AM

Overcast

65° 💧 None 💨 11 mph H 73%29.77 inHg

1:00 PM

Moderate rain

60° 💧 None 💨 7 mph H 90%29.77 inHg

7:00 PM

Overcast night

72° 💧 None 💨 8 mph H 71%29.71 inHg

Thursday

1:00 AM

Light rain

68° 💧 None 💨 8 mph H 95%29.71 inHg

7:00 AM

Overcast

67° 💧 None 💨 7 mph H 96%29.74 inHg

1:00 PM

Overcast

67° 💧 None 💨 10 mph H 96%29.74 inHg

7:00 PM

Moderate rain

74° 💧 None 💨 15 mph H 81%29.71 inHg

Friday

1:00 AM

Heavy rain

67° 💧 None 💨 11 mph H 95%29.71 inHg

7:00 AM

Light rain

66° 💧 None 💨 11 mph H 97%29.74 inHg

1:00 PM

Overcast

64° 💧 None 💨 11 mph H 96%29.80 inHg

7:00 PM

Mostly clear night

75° 💧 None 💨 13 mph H 60%29.83 inHg

Saturday

1:00 AM

Overcast night

72° 💧 None 💨 6 mph H 67%29.80 inHg

7:00 AM

Light rain

64° 💧 None 💨 6 mph H 95%29.80 inHg

1:00 PM

Sunny

58° 💧 None 💨 6 mph H 96%29.77 inHg

7:00 PM

Clear night

70° 💧 None 💨 14 mph H 49%29.71 inHg

Sunday

1:00 AM

Mostly cloudy night

63° 💧 None 💨 12 mph H 67%29.68 inHg

7:00 AM

Sunny

55° 💧 None 💨 10 mph H 85%29.71 inHg

1:00 PM

Mostly sunny

51° 💧 None 💨 9 mph H 93%29.80 inHg

7:00 PM

Overcast night

60° 💧 None 💨 10 mph H 68%29.85 inHg

Monday

1:00 AM

Overcast night

58° 💧 None 💨 8 mph H 71%29.88 inHg

7:00 AM

Overcast

55° 💧 None 💨 8 mph H 73%29.91 inHg

1:00 PM

Sunny

51° 💧 None 💨 9 mph H 85%29.97 inHg

7:00 PM

Overcast night

59° 💧 None 💨 11 mph H 53%29.97 inHg

Tuesday

1:00 AM

Overcast night

56° 💧 None 💨 6 mph H 65%29.97 inHg

7:00 AM

Overcast

51° 💧 None 💨 4 mph H 84%30.03 inHg

1:00 PM

Partly cloudy

46° 💧 None 💨 4 mph H 88%30.06 inHg

7:00 PM

Overcast night

58° 💧 None 💨 4 mph H 60%30.06 inHg

Wednesday

1:00 AM

Partly cloudy night

55° 💧 None 💨 7 mph H 76%30.06 inHg

7:00 AM

Overcast

49° 💧 None 💨 3 mph H 94%30.09 inHg

1:00 PM

Mostly cloudy

51° 💧 None 💨 3 mph H 95%30.09 inHg

In Rensselaer and, more broadly, across the state of Indiana: The morning will start with mostly cloudy skies and mild temperatures around 62 degrees. Winds will be coming in from the northeast at about 8 mph, with gusts reaching up to 16 mph. As the day progresses into the afternoon, temperatures will warm up to around 75 degrees. The wind will pick up slightly, with a maximum of 13 mph and gusts up to 26 mph, providing a moderate breeze. No precipitation is expected throughout the day, making for dry and fairly comfortable conditions. Overall, it will be a mild day with varying cloud cover and breezy intervals.

15-Day Weather Outlook for Rensselaer

TomorrowTomorrow

Partly cloudy 71°/55° 💧 None 💨 10 mph

Friday, Sep 25Fri Sep 25

Overcast 65°/54° 💧 None 💨 10 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 69°/49° 💧 0.001 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Overcast 70°/54° 💧 None 💨 5 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 73°/54° 💧 0.076 in 💨 3 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 76°/55° 💧 None 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Moderate rain 72°/60° 💧 0.399 in 💨 11 mph

Thursday, Oct 1Thu Oct 1

Moderate rain 74°/67° 💧 1.159 in 💨 15 mph

Friday, Oct 2Fri Oct 2

Heavy rain 75°/64° 💧 0.483 in 💨 13 mph

Saturday, Oct 3Sat Oct 3

Light rain 72°/58° 💧 0.559 in 💨 14 mph

Sunday, Oct 4Sun Oct 4

Overcast 63°/51° 💧 0.010 in 💨 12 mph

Monday, Oct 5Mon Oct 5

Overcast 59°/51° 💧 0.004 in 💨 11 mph

Tuesday, Oct 6Tue Oct 6

Overcast 58°/46° 💧 None 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 55°/49° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Rensselaer

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Rensselaer

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 3,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,8µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 56,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,6µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Rensselaer

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 3,8Moderate 😊Good

Tomorrow UV 5,4Moderate 🙂Fair

Friday UV 5,7Moderate 😐Moderate

Saturday UV 5,2Moderate 😐Moderate

Sunday UV 4,0Moderate 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 0,9 10:00 AMUV 1,1 11:00 AMUV 1,3 12:00 PMUV 2,6 1:00 PMUV 3,8 2:00 PMUV 1,7 3:00 PMUV 0,8 4:00 PMUV 0,5 5:00 PMUV 0,2 6:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Rensselaer

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · RENSSELAER, INDIANA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

29/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 98% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 62° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Rensselaer were last refreshed today at 1:52 AM. The current forecast period extends through 24/09/2026 at 11:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.