What is the weather in Rensselaer right now?

Current weather in Rensselaer is broken clouds.

Where can I find the hourly weather forecast for Rensselaer?

This page shows hourly weather forecast for Rensselaer, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Rensselaer updated regularly?

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

Now · 3:07 PM

Rensselaer Weather & Hourly Forecast

United States · Missouri · 63401

88°F

Mostly cloudy

Feels like: 91°F

💧 Humidity 53% 🌡 Pressure 29.97 inHg 💨 Wind 8 mph 👁 Visibility 22.5 mi ☁ Clouds 73% ☀️ UV index 5.9 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Rensselaer

Today

4:00 PM

Partly cloudy

88° 💧 None 💨 8 mph H 52%29.97 inHg

7:00 PM

Mostly cloudy

83° 💧 None 💨 7 mph H 56%29.97 inHg

10:00 PM

Mostly cloudy night

77° 💧 None 💨 7 mph H 67%30.03 inHg

Tomorrow

1:00 AM

Mostly cloudy night

75° 💧 None 💨 8 mph H 66%30.03 inHg

4:00 AM

Clear night

70° 💧 None 💨 7 mph H 66%30.06 inHg

7:00 AM

Sunny

67° 💧 None 💨 7 mph H 72%30.09 inHg

10:00 AM

Sunny

75° 💧 None 💨 9 mph H 59%30.09 inHg

1:00 PM

Partly cloudy

83° 💧 None 💨 9 mph H 39%30.09 inHg

4:00 PM

Partly cloudy

86° 💧 None 💨 8 mph H 35%30.03 inHg

7:00 PM

Partly cloudy

80° 💧 None 💨 8 mph H 46%30.03 inHg

10:00 PM

Mostly clear night

74° 💧 None 💨 7 mph H 56%30.06 inHg

Tuesday

1:00 AM

Overcast night

70° 💧 None 💨 7 mph H 65%30.06 inHg

4:00 AM

Overcast night

68° 💧 None 💨 6 mph H 69%30.06 inHg

7:00 AM

Mostly cloudy

68° 💧 None 💨 7 mph H 68%30.06 inHg

10:00 AM

Partly cloudy

80° 💧 None 💨 8 mph H 46%30.06 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 7 mph H 32%30.03 inHg

Today

4:00 PM

Partly cloudy

88° 💧 None 💨 8 mph H 52%29.97 inHg

5:00 PM

Mostly sunny

88° 💧 None 💨 8 mph H 51%29.97 inHg

6:00 PM

Mostly sunny

86° 💧 None 💨 9 mph H 51%29.97 inHg

7:00 PM

Mostly cloudy

83° 💧 None 💨 7 mph H 56%29.97 inHg

8:00 PM

Overcast night

80° 💧 None 💨 9 mph H 61%30.00 inHg

9:00 PM

Mostly cloudy night

79° 💧 None 💨 8 mph H 64%30.03 inHg

10:00 PM

Mostly cloudy night

77° 💧 None 💨 7 mph H 67%30.03 inHg

11:00 PM

Mostly cloudy night

76° 💧 None 💨 8 mph H 68%30.03 inHg

Tomorrow

12:00 AM

Overcast night

75° 💧 None 💨 8 mph H 67%30.03 inHg

1:00 AM

Mostly cloudy night

75° 💧 None 💨 8 mph H 66%30.03 inHg

2:00 AM

Clear night

73° 💧 None 💨 8 mph H 67%30.06 inHg

3:00 AM

Clear night

71° 💧 None 💨 8 mph H 67%30.06 inHg

4:00 AM

Clear night

70° 💧 None 💨 7 mph H 66%30.06 inHg

5:00 AM

Clear night

69° 💧 None 💨 6 mph H 67%30.09 inHg

6:00 AM

Clear night

68° 💧 None 💨 7 mph H 69%30.09 inHg

7:00 AM

Sunny

67° 💧 None 💨 7 mph H 72%30.09 inHg

8:00 AM

Mostly sunny

69° 💧 None 💨 7 mph H 70%30.12 inHg

9:00 AM

Sunny

72° 💧 None 💨 8 mph H 65%30.12 inHg

10:00 AM

Sunny

75° 💧 None 💨 9 mph H 59%30.09 inHg

11:00 AM

Mostly sunny

79° 💧 None 💨 8 mph H 51%30.09 inHg

12:00 PM

Mostly sunny

81° 💧 None 💨 9 mph H 44%30.09 inHg

1:00 PM

Partly cloudy

83° 💧 None 💨 9 mph H 39%30.09 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 8 mph H 35%30.06 inHg

3:00 PM

Mostly sunny

85° 💧 None 💨 9 mph H 35%30.06 inHg

4:00 PM

Partly cloudy

86° 💧 None 💨 8 mph H 35%30.03 inHg

5:00 PM

Partly cloudy

85° 💧 None 💨 9 mph H 37%30.03 inHg

6:00 PM

Mostly cloudy

83° 💧 None 💨 10 mph H 41%30.03 inHg

7:00 PM

Partly cloudy

80° 💧 None 💨 8 mph H 46%30.03 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 6 mph H 52%30.03 inHg

9:00 PM

Mostly clear night

75° 💧 None 💨 6 mph H 54%30.06 inHg

10:00 PM

Mostly clear night

74° 💧 None 💨 7 mph H 56%30.06 inHg

11:00 PM

Clear night

73° 💧 None 💨 7 mph H 58%30.09 inHg

Tuesday

12:00 AM

Mostly cloudy night

72° 💧 None 💨 7 mph H 60%30.09 inHg

1:00 AM

Overcast night

70° 💧 None 💨 7 mph H 65%30.06 inHg

2:00 AM

Overcast night

69° 💧 None 💨 7 mph H 67%30.06 inHg

3:00 AM

Overcast night

69° 💧 None 💨 7 mph H 68%30.06 inHg

4:00 AM

Overcast night

68° 💧 None 💨 6 mph H 69%30.06 inHg

5:00 AM

Overcast night

68° 💧 None 💨 6 mph H 69%30.06 inHg

6:00 AM

Overcast night

68° 💧 None 💨 6 mph H 69%30.06 inHg

7:00 AM

Mostly cloudy

68° 💧 None 💨 7 mph H 68%30.06 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 8 mph H 63%30.09 inHg

9:00 AM

Mostly sunny

75° 💧 None 💨 7 mph H 54%30.06 inHg

10:00 AM

Partly cloudy

80° 💧 None 💨 8 mph H 46%30.06 inHg

11:00 AM

Partly cloudy

85° 💧 None 💨 8 mph H 39%30.06 inHg

12:00 PM

Partly cloudy

89° 💧 None 💨 8 mph H 34%30.06 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 7 mph H 32%30.03 inHg

2:00 PM

Mostly sunny

94° 💧 None 💨 8 mph H 31%30.00 inHg

3:00 PM

Sunny

95° 💧 None 💨 8 mph H 31%30.00 inHg

4:00 PM

Sunny

95° 💧 None 💨 8 mph H 31%29.97 inHg

5:00 PM

Partly cloudy

95° 💧 None 💨 8 mph H 32%29.97 inHg

6:00 PM

Mostly sunny

93° 💧 None 💨 9 mph H 34%29.94 inHg

7:00 PM

Sunny

89° 💧 None 💨 11 mph H 38%29.97 inHg

8:00 PM

Clear night

86° 💧 None 💨 11 mph H 41%29.97 inHg

9:00 PM

Mostly clear night

84° 💧 None 💨 9 mph H 42%29.97 inHg

10:00 PM

Mostly clear night

82° 💧 None 💨 9 mph H 43%30.00 inHg

11:00 PM

Mostly clear night

81° 💧 None 💨 8 mph H 42%30.00 inHg

Wednesday

12:00 AM

Mostly clear night

81° 💧 None 💨 9 mph H 40%29.97 inHg

1:00 AM

Partly cloudy night

81° 💧 None 💨 9 mph H 39%29.97 inHg

2:00 AM

Partly cloudy night

80° 💧 None 💨 10 mph H 39%29.97 inHg

3:00 AM

Mostly clear night

80° 💧 None 💨 10 mph H 39%29.97 inHg

4:00 AM

Clear night

80° 💧 None 💨 11 mph H 39%29.97 inHg

5:00 AM

Mostly clear night

80° 💧 None 💨 11 mph H 40%29.97 inHg

6:00 AM

Clear night

79° 💧 None 💨 10 mph H 42%29.97 inHg

7:00 AM

Sunny

79° 💧 None 💨 9 mph H 44%29.97 inHg

10:00 AM

Mostly sunny

85° 💧 None 💨 4 mph H 42%30.00 inHg

1:00 PM

Partly cloudy

83° 💧 None 💨 5 mph H 60%30.00 inHg

4:00 PM

Light rain

90° 💧 None 💨 6 mph H 51%29.94 inHg

7:00 PM

Overcast

79° 💧 None 💨 8 mph H 87%29.94 inHg

10:00 PM

Partly cloudy night

75° 💧 None 💨 5 mph H 96%29.94 inHg

Thursday

1:00 AM

Moderate rain

72° 💧 None 💨 4 mph H 98%29.97 inHg

4:00 AM

Light rain

72° 💧 None 💨 2 mph H 99%29.97 inHg

7:00 AM

Partly cloudy

69° 💧 None 💨 7 mph H 97%30.00 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 6 mph H 72%30.03 inHg

1:00 PM

Mostly sunny

80° 💧 None 💨 8 mph H 47%30.00 inHg

4:00 PM

Sunny

81° 💧 None 💨 8 mph H 43%29.94 inHg

7:00 PM

Sunny

75° 💧 None 💨 3 mph H 60%29.94 inHg

10:00 PM

Clear night

70° 💧 None 💨 3 mph H 71%29.97 inHg

Friday

1:00 AM

Clear night

66° 💧 None 💨 3 mph H 80%29.97 inHg

4:00 AM

Clear night

63° 💧 None 💨 4 mph H 82%29.97 inHg

7:00 AM

Sunny

61° 💧 None 💨 5 mph H 88%29.97 inHg

10:00 AM

Sunny

74° 💧 None 💨 6 mph H 61%29.94 inHg

1:00 PM

Sunny

82° 💧 None 💨 7 mph H 39%29.88 inHg

4:00 PM

Sunny

84° 💧 None 💨 9 mph H 35%29.83 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 5 mph H 51%29.80 inHg

10:00 PM

Mostly clear night

71° 💧 None 💨 7 mph H 70%29.83 inHg

Saturday

1:00 AM

Partly cloudy night

70° 💧 None 💨 8 mph H 75%29.83 inHg

4:00 AM

Mostly cloudy night

69° 💧 None 💨 6 mph H 79%29.80 inHg

7:00 AM

Overcast

69° 💧 None 💨 6 mph H 83%29.85 inHg

1:00 PM

Mostly cloudy

87° 💧 None 💨 4 mph H 55%29.88 inHg

7:00 PM

Sunny

82° 💧 None 💨 4 mph H 68%29.88 inHg

Sunday

1:00 AM

Partly cloudy night

74° 💧 None 💨 4 mph H 86%29.97 inHg

7:00 AM

Sunny

71° 💧 None 💨 4 mph H 95%29.97 inHg

1:00 PM

Overcast

93° 💧 None 💨 7 mph H 46%29.94 inHg

7:00 PM

Sunny

90° 💧 None 💨 8 mph H 49%29.88 inHg

Monday

1:00 AM

Mostly cloudy night

81° 💧 None 💨 8 mph H 68%29.94 inHg

7:00 AM

Mostly sunny

79° 💧 None 💨 7 mph H 70%29.94 inHg

1:00 PM

Mostly sunny

97° 💧 None 💨 11 mph H 39%29.91 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 10 mph H 44%29.83 inHg

Tuesday

1:00 AM

Clear night

86° 💧 None 💨 11 mph H 50%29.88 inHg

7:00 AM

Overcast

75° 💧 None 💨 11 mph H 81%30.00 inHg

1:00 PM

Overcast

80° 💧 None 💨 8 mph H 39%30.12 inHg

7:00 PM

Mostly cloudy

77° 💧 None 💨 5 mph H 41%30.12 inHg

Wednesday

1:00 AM

Overcast night

67° 💧 None 💨 6 mph H 59%30.24 inHg

7:00 AM

Partly cloudy

62° 💧 None 💨 5 mph H 80%30.30 inHg

1:00 PM

Overcast

81° 💧 None 💨 5 mph H 36%30.30 inHg

7:00 PM

Overcast

80° 💧 None 💨 3 mph H 41%30.24 inHg

Thursday

1:00 AM

Clear night

72° 💧 None 💨 5 mph H 59%30.27 inHg

7:00 AM

Mostly sunny

68° 💧 None 💨 5 mph H 70%30.30 inHg

1:00 PM

Overcast

83° 💧 None 💨 4 mph H 40%30.30 inHg

7:00 PM

Sunny

80° 💧 None 💨 6 mph H 44%30.24 inHg

Friday

1:00 AM

Clear night

71° 💧 None 💨 6 mph H 63%30.27 inHg

7:00 AM

Sunny

63° 💧 None 💨 7 mph H 84%30.33 inHg

1:00 PM

Sunny

78° 💧 None 💨 13 mph H 36%30.33 inHg

7:00 PM

Sunny

69° 💧 None 💨 15 mph H 49%30.33 inHg

Saturday

1:00 AM

Clear night

58° 💧 None 💨 10 mph H 50%30.42 inHg

7:00 AM

Sunny

53° 💧 None 💨 7 mph H 61%30.45 inHg

1:00 PM

Mostly sunny

66° 💧 None 💨 9 mph H 37%30.39 inHg

7:00 PM

Sunny

65° 💧 None 💨 7 mph H 33%30.30 inHg

Sunday

1:00 AM

Clear night

57° 💧 None 💨 5 mph H 63%30.33 inHg

7:00 AM

Sunny

50° 💧 None 💨 4 mph H 77%30.36 inHg

1:00 PM

Sunny

67° 💧 None 💨 6 mph H 35%30.30 inHg

7:00 PM

Sunny

66° 💧 None 💨 6 mph H 37%30.21 inHg

Monday

1:00 AM

Clear night

57° 💧 None 💨 6 mph H 57%30.24 inHg

7:00 AM

Sunny

51° 💧 None 💨 5 mph H 71%30.27 inHg

In Rensselaer and, more broadly, across the state of Missouri: As the afternoon transitions into the evening, expect mostly sunny skies with just a few clouds. Temperatures will remain quite hot, ranging from 81 to 95 degrees Fahrenheit. Winds will be moderate, coming from the east at speeds up to 12 mph, with gusts reaching 28 mph. No precipitation is anticipated during this time, so the evening should stay dry. It’s advisable to stay hydrated and take precautions against the heat if you're outdoors. The breezy conditions may offer some relief, but temperatures will stay warm through the evening hours.

15-Day Weather Outlook for Rensselaer

TomorrowTomorrow

Mostly cloudy 86°/67° 💧 None 💨 10 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 95°/68° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Light rain 90°/79° 💧 0.141 in 💨 11 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 81°/69° 💧 0.259 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Sunny 84°/61° 💧 None 💨 9 mph

Saturday, Sep 12Sat Sep 12

Overcast 87°/69° 💧 0.014 in 💨 8 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 93°/71° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 97°/79° 💧 0.001 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 92°/75° 💧 0.002 in 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 81°/62° 💧 None 💨 6 mph

Thursday, Sep 17Thu Sep 17

Overcast 83°/68° 💧 None 💨 5 mph

Friday, Sep 18Fri Sep 18

Sunny 80°/63° 💧 None 💨 13 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 69°/53° 💧 None 💨 15 mph

Sunday, Sep 20Sun Sep 20

Sunny 67°/50° 💧 None 💨 7 mph

Monday, Sep 21Mon Sep 21

Sunny 66°/51° 💧 None 💨 6 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

Fair

Nearest forecast value 4:00 PM

PM2.5 Fine particles Good 5,6µg/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 6,0µg/m³

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

O₃ Ozone Fair 90,5µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/m³

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

Air quality is acceptable for most people.

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 7,7High 🙂Fair

Tomorrow UV 8,0Very high 😐Moderate

Tuesday UV 7,9High 🙂Fair

Wednesday UV 7,8High 🙂Fair

Thursday UV 7,0High 🙂Fair

Friday UV 8,0Very high —Unavailable

Saturday UV 7,0High —Unavailable

Hourly UV index today

4:00 PMUV 3,7 5:00 PMUV 1,1 6:00 PMUV 0,6 7:00 PMUV 0,0

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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, MISSOURI

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:02 PM–5:07 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon about 15° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 76° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Badshot Lea GB · England · 1,885 residents Warrenup AU · Western Australia · 800 residents Riceville US · Tennessee · 823 residents Carboor AU · Victoria · 97 residents Pantymwyn GB · Wales · 775 residents Margaretting GB · England · 560 residents Medina US · Ohio · 25,950 residents Athens-Clarke County US · Georgia · 127,345 residents Lake Kiowa US · Texas · 2,476 residents Texline US · Texas · 569 residents Sainte-Thérèse CA · Quebec · 26,533 residents Semaphore Park AU · South Australia · 4,541 residents Bellerive AU · Tasmania · 4,945 residents Wandilo AU · South Australia · 194 residents Hurst US · Texas · 39,861 residents Franklin US · California · 7,392 residents

Forecast data for Rensselaer were last refreshed today at 3:07 PM. The current forecast period extends through 08/09/2026 at 1:00 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.