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Current weather in Altona is broken clouds.

Where can I find the hourly weather forecast for Altona?

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

Now · 4:10 PM

Altona Weather & Hourly Forecast

United States · Indiana · 46738

77°F

Mostly cloudy

Feels like: 77°F

💧 Humidity 48% 🌡 Pressure 29.97 inHg 💨 Wind 3 mph 👁 Visibility 25.5 mi ☁ Clouds 71% ☀️ UV index 4.2 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Altona

Today

5:00 PM

Mostly cloudy

77° 💧 None 💨 5 mph H 48%29.94 inHg

8:00 PM

Overcast night

71° 💧 None 💨 5 mph H 67%29.91 inHg

11:00 PM

Overcast night

68° 💧 None 💨 6 mph H 71%29.94 inHg

Tomorrow

2:00 AM

Overcast night

67° 💧 None 💨 7 mph H 78%29.91 inHg

5:00 AM

Light rain

66° 💧 0.073 in 💨 5 mph H 86%29.88 inHg

8:00 AM

Partly cloudy

66° 💧 0.000 in 💨 3 mph H 95%29.88 inHg

11:00 AM

Overcast

74° 💧 0.008 in 💨 7 mph H 83%29.88 inHg

2:00 PM

Mostly sunny

79° 💧 0.003 in 💨 7 mph H 72%29.85 inHg

5:00 PM

Light rain

79° 💧 0.015 in 💨 7 mph H 71%29.83 inHg

8:00 PM

Clear night

74° 💧 None 💨 3 mph H 85%29.85 inHg

11:00 PM

Mostly clear night

70° 💧 None 💨 1 mph H 90%29.91 inHg

Sunday

2:00 AM

Clear night

68° 💧 None 💨 3 mph H 90%29.91 inHg

5:00 AM

Clear night

67° 💧 None 💨 5 mph H 93%29.94 inHg

8:00 AM

Mostly cloudy

66° 💧 0.001 in 💨 5 mph H 97%30.00 inHg

11:00 AM

Partly cloudy

74° 💧 None 💨 3 mph H 69%30.00 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 9 mph H 55%30.00 inHg

Today

5:00 PM

Mostly cloudy

77° 💧 None 💨 5 mph H 48%29.94 inHg

6:00 PM

Overcast

77° 💧 None 💨 6 mph H 49%29.94 inHg

7:00 PM

Overcast

75° 💧 None 💨 2 mph H 62%29.91 inHg

8:00 PM

Overcast night

71° 💧 None 💨 5 mph H 67%29.91 inHg

9:00 PM

Overcast night

69° 💧 None 💨 6 mph H 66%29.91 inHg

10:00 PM

Overcast night

69° 💧 None 💨 6 mph H 69%29.94 inHg

11:00 PM

Overcast night

68° 💧 None 💨 6 mph H 71%29.94 inHg

Tomorrow

12:00 AM

Overcast night

67° 💧 None 💨 6 mph H 75%29.94 inHg

1:00 AM

Overcast night

66° 💧 None 💨 6 mph H 79%29.94 inHg

2:00 AM

Overcast night

67° 💧 None 💨 7 mph H 78%29.91 inHg

3:00 AM

Mostly clear night

67° 💧 None 💨 7 mph H 79%29.91 inHg

4:00 AM

Partly cloudy night

66° 💧 None 💨 6 mph H 83%29.91 inHg

5:00 AM

Light rain

66° 💧 0.007 in 💨 5 mph H 86%29.88 inHg

6:00 AM

Light rain

65° 💧 0.040 in 💨 4 mph H 91%29.88 inHg

7:00 AM

Light rain

65° 💧 0.025 in 💨 5 mph H 94%29.88 inHg

8:00 AM

Partly cloudy

66° 💧 None 💨 3 mph H 95%29.88 inHg

9:00 AM

Partly cloudy

68° 💧 None 💨 4 mph H 94%29.88 inHg

10:00 AM

Overcast

71° 💧 0.000 in 💨 7 mph H 88%29.88 inHg

11:00 AM

Overcast

74° 💧 0.004 in 💨 7 mph H 83%29.88 inHg

12:00 PM

Mostly cloudy

76° 💧 0.001 in 💨 7 mph H 78%29.88 inHg

1:00 PM

Overcast

78° 💧 0.002 in 💨 7 mph H 74%29.88 inHg

2:00 PM

Mostly sunny

79° 💧 0.001 in 💨 7 mph H 72%29.85 inHg

3:00 PM

Mostly sunny

81° 💧 0.001 in 💨 7 mph H 69%29.85 inHg

4:00 PM

Mostly cloudy

81° 💧 0.001 in 💨 8 mph H 68%29.85 inHg

5:00 PM

Light rain

79° 💧 0.004 in 💨 7 mph H 71%29.83 inHg

6:00 PM

Light rain

79° 💧 0.010 in 💨 8 mph H 73%29.83 inHg

7:00 PM

Sunny

78° 💧 0.000 in 💨 5 mph H 76%29.83 inHg

8:00 PM

Clear night

74° 💧 None 💨 3 mph H 85%29.85 inHg

9:00 PM

Clear night

73° 💧 None 💨 3 mph H 89%29.88 inHg

10:00 PM

Clear night

71° 💧 None 💨 2 mph H 90%29.88 inHg

11:00 PM

Mostly clear night

70° 💧 None 💨 1 mph H 90%29.91 inHg

Sunday

12:00 AM

Mostly clear night

70° 💧 None 💨 1 mph H 89%29.91 inHg

1:00 AM

Mostly clear night

69° 💧 None 💨 3 mph H 90%29.91 inHg

2:00 AM

Clear night

68° 💧 None 💨 3 mph H 90%29.91 inHg

3:00 AM

Clear night

68° 💧 None 💨 4 mph H 91%29.91 inHg

4:00 AM

Clear night

68° 💧 None 💨 5 mph H 92%29.91 inHg

5:00 AM

Clear night

67° 💧 None 💨 5 mph H 93%29.94 inHg

6:00 AM

Clear night

66° 💧 None 💨 3 mph H 95%29.94 inHg

7:00 AM

Clear night

65° 💧 None 💨 3 mph H 97%29.97 inHg

8:00 AM

Mostly cloudy

66° 💧 0.000 in 💨 5 mph H 97%30.00 inHg

9:00 AM

Mostly cloudy

69° 💧 0.001 in 💨 6 mph H 92%30.00 inHg

10:00 AM

Mostly cloudy

71° 💧 0.001 in 💨 6 mph H 79%30.00 inHg

11:00 AM

Partly cloudy

74° 💧 None 💨 3 mph H 69%30.00 inHg

12:00 PM

Mostly sunny

76° 💧 None 💨 4 mph H 64%30.00 inHg

1:00 PM

Mostly cloudy

77° 💧 None 💨 6 mph H 60%30.00 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 9 mph H 55%30.00 inHg

3:00 PM

Mostly cloudy

78° 💧 None 💨 10 mph H 54%29.97 inHg

4:00 PM

Mostly cloudy

78° 💧 None 💨 11 mph H 51%29.97 inHg

5:00 PM

Overcast

77° 💧 None 💨 13 mph H 49%30.00 inHg

6:00 PM

Overcast

72° 💧 None 💨 14 mph H 56%30.00 inHg

7:00 PM

Overcast

68° 💧 None 💨 12 mph H 65%30.03 inHg

8:00 PM

Light rain

64° 💧 0.019 in 💨 11 mph H 72%30.06 inHg

9:00 PM

Light rain

61° 💧 0.067 in 💨 9 mph H 90%30.09 inHg

10:00 PM

Mostly cloudy night

61° 💧 0.001 in 💨 10 mph H 89%30.12 inHg

11:00 PM

Mostly cloudy night

59° 💧 None 💨 10 mph H 86%30.12 inHg

Monday

12:00 AM

Mostly clear night

58° 💧 None 💨 9 mph H 84%30.12 inHg

1:00 AM

Clear night

57° 💧 None 💨 7 mph H 85%30.12 inHg

2:00 AM

Clear night

56° 💧 None 💨 6 mph H 89%30.15 inHg

3:00 AM

Clear night

56° 💧 None 💨 6 mph H 90%30.15 inHg

4:00 AM

Clear night

55° 💧 None 💨 5 mph H 91%30.18 inHg

5:00 AM

Clear night

54° 💧 None 💨 6 mph H 90%30.18 inHg

6:00 AM

Clear night

54° 💧 None 💨 6 mph H 90%30.21 inHg

7:00 AM

Clear night

53° 💧 None 💨 5 mph H 90%30.21 inHg

8:00 AM

Sunny

53° 💧 None 💨 6 mph H 87%30.24 inHg

11:00 AM

Sunny

64° 💧 None 💨 7 mph H 50%30.27 inHg

2:00 PM

Sunny

70° 💧 None 💨 7 mph H 38%30.21 inHg

5:00 PM

Partly cloudy

72° 💧 None 💨 7 mph H 37%30.15 inHg

8:00 PM

Partly cloudy night

66° 💧 None 💨 7 mph H 51%30.12 inHg

11:00 PM

Mostly cloudy night

63° 💧 None 💨 9 mph H 64%30.15 inHg

Tuesday

2:00 AM

Mostly cloudy night

63° 💧 None 💨 9 mph H 69%30.12 inHg

5:00 AM

Mostly cloudy night

63° 💧 None 💨 8 mph H 73%30.09 inHg

8:00 AM

Partly cloudy

64° 💧 None 💨 9 mph H 79%30.12 inHg

11:00 AM

Mostly cloudy

76° 💧 None 💨 10 mph H 67%30.12 inHg

2:00 PM

Mostly sunny

86° 💧 None 💨 13 mph H 57%30.06 inHg

5:00 PM

Sunny

89° 💧 None 💨 12 mph H 54%30.03 inHg

8:00 PM

Moderate rain

72° 💧 None 💨 10 mph H 96%30.12 inHg

11:00 PM

Clear night

72° 💧 None 💨 1 mph H 96%30.15 inHg

Wednesday

2:00 AM

Light rain

70° 💧 None 💨 3 mph H 98%30.15 inHg

5:00 AM

Partly cloudy night

68° 💧 None 💨 2 mph H 99%30.15 inHg

8:00 AM

Light rain

69° 💧 None 💨 2 mph H 98%30.21 inHg

11:00 AM

Light rain

73° 💧 None 💨 3 mph H 94%30.24 inHg

2:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 75%30.21 inHg

5:00 PM

Moderate rain

82° 💧 None 💨 7 mph H 71%30.15 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 4 mph H 96%30.18 inHg

11:00 PM

Overcast night

72° 💧 None 💨 5 mph H 98%30.21 inHg

Thursday

2:00 AM

Light rain

70° 💧 None 💨 7 mph H 98%30.21 inHg

5:00 AM

Overcast night

68° 💧 None 💨 7 mph H 96%30.21 inHg

8:00 AM

Partly cloudy

67° 💧 None 💨 9 mph H 94%30.27 inHg

2:00 PM

Overcast

72° 💧 None 💨 8 mph H 61%30.33 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 6 mph H 73%30.27 inHg

Friday

2:00 AM

Clear night

59° 💧 None 💨 7 mph H 87%30.30 inHg

8:00 AM

Mostly cloudy

54° 💧 None 💨 6 mph H 82%30.30 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 6 mph H 59%30.21 inHg

8:00 PM

Overcast night

68° 💧 None 💨 5 mph H 75%30.12 inHg

Saturday

2:00 AM

Overcast night

63° 💧 None 💨 5 mph H 85%30.09 inHg

8:00 AM

Overcast

61° 💧 None 💨 8 mph H 88%30.00 inHg

2:00 PM

Light rain

74° 💧 None 💨 12 mph H 82%29.85 inHg

8:00 PM

Light rain

71° 💧 None 💨 3 mph H 95%29.77 inHg

Sunday

2:00 AM

Overcast night

69° 💧 None 💨 8 mph H 98%29.80 inHg

8:00 AM

Overcast

65° 💧 None 💨 8 mph H 96%29.85 inHg

2:00 PM

Overcast

70° 💧 None 💨 8 mph H 73%29.88 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 8 mph H 76%29.85 inHg

Monday

2:00 AM

Clear night

62° 💧 None 💨 9 mph H 84%29.88 inHg

8:00 AM

Sunny

61° 💧 None 💨 9 mph H 94%29.83 inHg

2:00 PM

Partly cloudy

84° 💧 None 💨 7 mph H 66%29.77 inHg

8:00 PM

Moderate rain

71° 💧 None 💨 2 mph H 96%29.77 inHg

Tuesday

2:00 AM

Overcast night

68° 💧 None 💨 6 mph H 98%29.74 inHg

8:00 AM

Light rain

65° 💧 None 💨 7 mph H 94%29.80 inHg

2:00 PM

Sunny

72° 💧 None 💨 9 mph H 57%29.83 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 4 mph H 72%29.85 inHg

Wednesday

2:00 AM

Clear night

57° 💧 None 💨 5 mph H 88%29.91 inHg

8:00 AM

Sunny

53° 💧 None 💨 6 mph H 93%29.97 inHg

2:00 PM

Overcast

65° 💧 None 💨 10 mph H 63%30.00 inHg

8:00 PM

Mostly cloudy night

62° 💧 None 💨 6 mph H 76%30.06 inHg

Thursday

2:00 AM

Clear night

54° 💧 None 💨 4 mph H 93%30.09 inHg

8:00 AM

Mostly sunny

53° 💧 None 💨 4 mph H 97%30.12 inHg

2:00 PM

Light rain

64° 💧 None 💨 5 mph H 72%30.12 inHg

8:00 PM

Overcast night

59° 💧 None 💨 10 mph H 70%30.12 inHg

Friday

2:00 AM

Clear night

51° 💧 None 💨 5 mph H 95%30.15 inHg

8:00 AM

Sunny

50° 💧 None 💨 7 mph H 96%30.21 inHg

2:00 PM

Overcast

61° 💧 None 💨 9 mph H 64%30.21 inHg

8:00 PM

Partly cloudy night

58° 💧 None 💨 6 mph H 76%30.18 inHg

Saturday

2:00 AM

Mostly clear night

51° 💧 None 💨 3 mph H 93%30.21 inHg

8:00 AM

Partly cloudy

50° 💧 None 💨 3 mph H 96%30.24 inHg

In Altona and, more broadly, across the state of Indiana: The late afternoon will see mostly cloudy skies, with temperatures remaining mild to warm, ranging from 73 to 80 degrees Fahrenheit. Winds will be light, blowing from the east at speeds up to 8 mph, with occasional gusts reaching 14 mph. As evening approaches, the weather is expected to stay dry, with no precipitation forecasted. Temperatures will gradually decrease but remain comfortable through the night. Conditions will be relatively calm, with gentle breezes in the area. Overall, it should be a quiet evening with mild temperatures and mostly cloudy skies.

15-Day Weather Outlook for Altona

TomorrowTomorrow

Overcast 81°/65° 💧 None 💨 8 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 78°/65° 💧 None 💨 14 mph

Monday, Sep 14Mon Sep 14

Light rain 72°/53° 💧 0.106 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 89°/63° 💧 0.001 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 82°/68° 💧 0.442 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Light rain 72°/67° 💧 0.290 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 72°/54° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Light rain 74°/61° 💧 0.402 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Light rain 71°/65° 💧 0.428 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 84°/61° 💧 None 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Moderate rain 72°/65° 💧 0.487 in 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Overcast 65°/53° 💧 0.001 in 💨 10 mph

Thursday, Sep 24Thu Sep 24

Light rain 64°/53° 💧 0.022 in 💨 6 mph

Friday, Sep 25Fri Sep 25

Overcast 61°/50° 💧 0.031 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 58°/50° 💧 0.002 in 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Altona

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Altona

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 5,3µg/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 5,7µg/m³

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

O₃ Ozone Fair 81,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 Altona

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 6,7High 🙂Fair

Tomorrow UV 6,6High 🙂Fair

Sunday UV 6,4High 🙂Fair

Monday UV 5,8Moderate 🙂Fair

Tuesday UV 7,0High 🙂Fair

Wednesday UV 7,0High —Unavailable

Thursday UV 4,0Moderate —Unavailable

Hourly UV index today

5:00 PMUV 2,4 6:00 PMUV 1,0 7:00 PMUV 0,2

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 Altona

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ALTONA, INDIANA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

76/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:31 PM–5:43 AM

☁ Cloud cover 34% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 62° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min68%

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

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Forecast data for Altona were last refreshed today at 4:10 PM. The current forecast period extends through 13/09/2026 at 2:00 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.