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Current weather in Knox is few clouds.

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

Now · 10:46 AM

Knox Weather & Hourly Forecast

United States · Indiana · 46534

74°F

Mostly sunny

Feels like: 73°F

💧 Humidity 61% 🌡 Pressure 30.18 inHg 💨 Wind 8 mph 👁 Visibility 21.8 mi ☁ Clouds 28% ☀️ UV index 3.6 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Knox

Today

11:00 AM

Mostly sunny

74° 💧 None 💨 8 mph H 61%30.18 inHg

2:00 PM

Sunny

78° 💧 None 💨 6 mph H 52%30.15 inHg

5:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 55%30.12 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 6 mph H 72%30.12 inHg

11:00 PM

Mostly cloudy night

66° 💧 None 💨 8 mph H 76%30.15 inHg

Tomorrow

2:00 AM

Mostly cloudy night

63° 💧 None 💨 8 mph H 74%30.15 inHg

5:00 AM

Overcast night

62° 💧 None 💨 7 mph H 78%30.15 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 7 mph H 80%30.15 inHg

11:00 AM

Overcast

77° 💧 None 💨 6 mph H 67%30.15 inHg

2:00 PM

Overcast

83° 💧 None 💨 7 mph H 50%30.09 inHg

5:00 PM

Overcast

83° 💧 None 💨 5 mph H 57%30.06 inHg

8:00 PM

Clear night

76° 💧 None 💨 9 mph H 62%30.06 inHg

11:00 PM

Partly cloudy night

72° 💧 None 💨 8 mph H 68%30.06 inHg

Wednesday

2:00 AM

Mostly cloudy night

72° 💧 None 💨 9 mph H 72%30.03 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 11 mph H 73%30.00 inHg

8:00 AM

Overcast

76° 💧 None 💨 10 mph H 74%30.03 inHg

Today

11:00 AM

Mostly sunny

74° 💧 None 💨 8 mph H 61%30.18 inHg

12:00 PM

Sunny

76° 💧 None 💨 7 mph H 55%30.18 inHg

1:00 PM

Sunny

77° 💧 None 💨 6 mph H 53%30.15 inHg

2:00 PM

Sunny

78° 💧 None 💨 6 mph H 52%30.15 inHg

3:00 PM

Sunny

78° 💧 None 💨 7 mph H 52%30.12 inHg

4:00 PM

Mostly sunny

78° 💧 None 💨 7 mph H 53%30.12 inHg

5:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 55%30.12 inHg

6:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 63%30.12 inHg

7:00 PM

Mostly cloudy

71° 💧 None 💨 5 mph H 70%30.12 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 6 mph H 72%30.12 inHg

9:00 PM

Overcast night

68° 💧 None 💨 6 mph H 70%30.15 inHg

10:00 PM

Overcast night

67° 💧 None 💨 6 mph H 74%30.15 inHg

11:00 PM

Mostly cloudy night

66° 💧 None 💨 8 mph H 76%30.15 inHg

Tomorrow

12:00 AM

Mostly cloudy night

65° 💧 None 💨 9 mph H 75%30.15 inHg

1:00 AM

Mostly cloudy night

64° 💧 None 💨 8 mph H 74%30.15 inHg

2:00 AM

Mostly cloudy night

63° 💧 None 💨 8 mph H 74%30.15 inHg

3:00 AM

Overcast night

63° 💧 None 💨 8 mph H 75%30.15 inHg

4:00 AM

Overcast night

63° 💧 None 💨 7 mph H 76%30.15 inHg

5:00 AM

Overcast night

62° 💧 None 💨 7 mph H 78%30.15 inHg

6:00 AM

Mostly cloudy night

62° 💧 None 💨 6 mph H 79%30.15 inHg

7:00 AM

Overcast

62° 💧 None 💨 7 mph H 81%30.15 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 7 mph H 80%30.15 inHg

9:00 AM

Mostly cloudy

70° 💧 None 💨 6 mph H 75%30.15 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 5 mph H 70%30.15 inHg

11:00 AM

Overcast

77° 💧 None 💨 6 mph H 67%30.15 inHg

12:00 PM

Overcast

80° 💧 None 💨 6 mph H 63%30.12 inHg

1:00 PM

Overcast

82° 💧 None 💨 7 mph H 54%30.09 inHg

2:00 PM

Overcast

83° 💧 None 💨 7 mph H 50%30.09 inHg

3:00 PM

Overcast

84° 💧 None 💨 6 mph H 48%30.06 inHg

4:00 PM

Overcast

84° 💧 None 💨 5 mph H 48%30.06 inHg

5:00 PM

Overcast

83° 💧 None 💨 5 mph H 57%30.06 inHg

6:00 PM

Overcast

80° 💧 None 💨 6 mph H 62%30.06 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 65%30.06 inHg

8:00 PM

Clear night

76° 💧 None 💨 9 mph H 62%30.06 inHg

9:00 PM

Clear night

75° 💧 None 💨 8 mph H 63%30.06 inHg

10:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 67%30.09 inHg

11:00 PM

Partly cloudy night

72° 💧 None 💨 8 mph H 68%30.06 inHg

Wednesday

12:00 AM

Overcast night

73° 💧 None 💨 9 mph H 67%30.03 inHg

1:00 AM

Mostly cloudy night

73° 💧 None 💨 9 mph H 69%30.03 inHg

2:00 AM

Mostly cloudy night

72° 💧 None 💨 9 mph H 72%30.03 inHg

3:00 AM

Partly cloudy night

72° 💧 None 💨 10 mph H 73%30.00 inHg

4:00 AM

Partly cloudy night

72° 💧 None 💨 10 mph H 73%30.00 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 11 mph H 73%30.00 inHg

6:00 AM

Mostly cloudy night

73° 💧 None 💨 10 mph H 74%30.03 inHg

7:00 AM

Overcast

73° 💧 None 💨 10 mph H 76%30.03 inHg

8:00 AM

Overcast

76° 💧 None 💨 10 mph H 74%30.03 inHg

9:00 AM

Mostly cloudy

78° 💧 None 💨 8 mph H 73%30.03 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 11 mph H 66%30.00 inHg

11:00 AM

Partly cloudy

83° 💧 0.001 in 💨 10 mph H 60%30.03 inHg

12:00 PM

Light rain

81° 💧 0.019 in 💨 10 mph H 66%30.00 inHg

1:00 PM

Light rain

82° 💧 0.014 in 💨 10 mph H 67%30.00 inHg

2:00 PM

Light rain

82° 💧 0.006 in 💨 10 mph H 66%29.97 inHg

3:00 PM

Light rain

81° 💧 0.031 in 💨 6 mph H 72%29.94 inHg

4:00 PM

Mostly cloudy

83° 💧 0.001 in 💨 9 mph H 67%29.94 inHg

5:00 PM

Light rain

81° 💧 0.008 in 💨 8 mph H 73%29.94 inHg

6:00 PM

Mostly cloudy

80° 💧 0.000 in 💨 6 mph H 77%29.94 inHg

7:00 PM

Overcast

79° 💧 None 💨 7 mph H 79%29.94 inHg

Thursday

4:00 AM

Overcast night

70° 💧 None 💨 4 mph H 98%29.94 inHg

7:00 AM

Overcast

70° 💧 None 💨 4 mph H 98%29.97 inHg

10:00 AM

Overcast

74° 💧 None 💨 5 mph H 70%29.97 inHg

1:00 PM

Mostly cloudy

79° 💧 None 💨 5 mph H 59%29.94 inHg

4:00 PM

Sunny

77° 💧 None 💨 11 mph H 55%29.91 inHg

7:00 PM

Mostly sunny

69° 💧 None 💨 8 mph H 68%29.94 inHg

10:00 PM

Clear night

63° 💧 None 💨 5 mph H 80%30.00 inHg

Friday

1:00 AM

Clear night

59° 💧 None 💨 4 mph H 88%30.00 inHg

4:00 AM

Clear night

56° 💧 None 💨 3 mph H 94%30.00 inHg

7:00 AM

Sunny

56° 💧 None 💨 4 mph H 95%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 4 mph H 66%30.03 inHg

1:00 PM

Sunny

76° 💧 None 💨 5 mph H 47%29.97 inHg

4:00 PM

Sunny

78° 💧 None 💨 5 mph H 42%29.94 inHg

7:00 PM

Partly cloudy

71° 💧 None 💨 2 mph H 64%29.91 inHg

10:00 PM

Mostly cloudy night

68° 💧 None 💨 6 mph H 78%29.94 inHg

Saturday

1:00 AM

Clear night

66° 💧 None 💨 7 mph H 85%29.91 inHg

4:00 AM

Partly cloudy night

66° 💧 None 💨 7 mph H 87%29.91 inHg

7:00 AM

Mostly cloudy

67° 💧 None 💨 7 mph H 86%29.91 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 6 mph H 72%29.91 inHg

1:00 PM

Overcast

80° 💧 None 💨 7 mph H 68%29.91 inHg

4:00 PM

Light rain

80° 💧 None 💨 6 mph H 72%29.88 inHg

7:00 PM

Mostly cloudy

74° 💧 None 💨 0 mph H 95%29.94 inHg

10:00 PM

Overcast night

71° 💧 None 💨 6 mph H 94%30.00 inHg

Sunday

1:00 AM

Clear night

68° 💧 None 💨 6 mph H 98%30.03 inHg

7:00 AM

Mostly cloudy

70° 💧 None 💨 3 mph H 97%30.00 inHg

1:00 PM

Partly cloudy

65° 💧 None 💨 7 mph H 88%30.09 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 4 mph H 54%30.09 inHg

Monday

1:00 AM

Overcast night

72° 💧 None 💨 10 mph H 57%30.09 inHg

7:00 AM

Overcast

65° 💧 None 💨 5 mph H 72%30.12 inHg

1:00 PM

Overcast

64° 💧 None 💨 9 mph H 91%30.12 inHg

7:00 PM

Mostly cloudy night

84° 💧 None 💨 10 mph H 62%30.00 inHg

Tuesday

1:00 AM

Clear night

84° 💧 None 💨 13 mph H 63%29.85 inHg

7:00 AM

Overcast

81° 💧 None 💨 16 mph H 71%29.85 inHg

1:00 PM

Overcast

74° 💧 None 💨 13 mph H 89%29.91 inHg

7:00 PM

Clear night

76° 💧 None 💨 11 mph H 47%30.03 inHg

Wednesday

1:00 AM

Clear night

68° 💧 None 💨 9 mph H 64%30.12 inHg

7:00 AM

Mostly sunny

59° 💧 None 💨 3 mph H 84%30.24 inHg

1:00 PM

Mostly cloudy

58° 💧 None 💨 2 mph H 87%30.33 inHg

7:00 PM

Partly cloudy night

71° 💧 None 💨 8 mph H 49%30.33 inHg

Thursday

1:00 AM

Partly cloudy night

63° 💧 None 💨 7 mph H 61%30.33 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 0 mph H 81%30.36 inHg

1:00 PM

Mostly sunny

55° 💧 None 💨 6 mph H 87%30.36 inHg

7:00 PM

Overcast night

70° 💧 None 💨 9 mph H 54%30.33 inHg

Friday

1:00 AM

Partly cloudy night

61° 💧 None 💨 9 mph H 67%30.30 inHg

7:00 AM

Sunny

53° 💧 None 💨 0 mph H 88%30.30 inHg

1:00 PM

Sunny

51° 💧 None 💨 6 mph H 90%30.27 inHg

7:00 PM

Clear night

70° 💧 None 💨 10 mph H 37%30.21 inHg

Saturday

1:00 AM

Clear night

65° 💧 None 💨 5 mph H 46%30.12 inHg

7:00 AM

Mostly sunny

59° 💧 None 💨 6 mph H 85%30.12 inHg

1:00 PM

Sunny

55° 💧 None 💨 4 mph H 94%30.15 inHg

7:00 PM

Mostly clear night

73° 💧 None 💨 8 mph H 42%30.12 inHg

Sunday

1:00 AM

Clear night

64° 💧 None 💨 4 mph H 59%30.09 inHg

7:00 AM

Sunny

55° 💧 None 💨 4 mph H 83%30.09 inHg

1:00 PM

Partly cloudy

53° 💧 None 💨 5 mph H 88%30.09 inHg

7:00 PM

Mostly cloudy night

77° 💧 None 💨 8 mph H 36%30.00 inHg

Monday

1:00 AM

Overcast night

74° 💧 None 💨 6 mph H 39%29.94 inHg

7:00 AM

Overcast

64° 💧 None 💨 4 mph H 61%29.97 inHg

1:00 PM

Overcast

59° 💧 None 💨 4 mph H 77%29.97 inHg

7:00 PM

Overcast night

78° 💧 None 💨 9 mph H 41%29.97 inHg

Tuesday

1:00 AM

Mostly clear night

70° 💧 None 💨 3 mph H 62%29.94 inHg

In Knox and, more broadly, across the state of Indiana: The rest of the day will be mostly sunny with just a few clouds drifting across the sky. Temperatures are expected to remain mild to warm, ranging from the low 68s to the upper 70s. Winds will be moderate from the northeast at around 10 mph, with gusts reaching up to 19 mph. No precipitation is anticipated, so outdoor plans should be comfortable and dry. Overall, it looks like a pleasant afternoon with gentle breezes and mild temperatures.

15-Day Weather Outlook for Knox

TomorrowTomorrow

Mostly cloudy 84°/62° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 83°/72° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Overcast 79°/70° 💧 0.078 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 78°/56° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Light rain 80°/66° 💧 0.025 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 74°/65° 💧 0.070 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 80°/64° 💧 0.071 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Overcast 84°/74° 💧 0.025 in 💨 16 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 76°/58° 💧 0.004 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 71°/55° 💧 0.001 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Overcast 70°/51° 💧 0.002 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 70°/55° 💧 None 💨 10 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 73°/53° 💧 None 💨 8 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 77°/59° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Overcast 78°/70° 💧 0.001 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Knox

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Knox

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 AM

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 6,2µg/m³

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

O₃ Ozone Fair 60,4µg/m³

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

NO₂ Nitrogen dioxide Good 1,9µg/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 Knox

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 7,1High 🙂Fair

Tomorrow UV 6,0High 😐Moderate

Wednesday UV 1,8Low 🙂Fair

Thursday UV 6,4High 🙂Fair

Friday UV 7,0High 🙂Fair

Saturday UV 7,0High —Unavailable

Sunday UV 7,0High —Unavailable

Hourly UV index today

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

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 Knox

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KNOX, INDIANA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

42/100Best-hour score

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

☁ Cloud cover 80% Real hourly forecast for the best viewing hour.

☾ Moonlight 14% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 37° 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 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.

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Forecast data for Knox were last refreshed today at 10:46 AM. The current forecast period extends through 09/09/2026 at 8:00 AM. 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.