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Current weather in Altona is clear sky.

Where can I find the hourly weather forecast for Altona?

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

Is the weather forecast for Altona updated regularly?

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

Now · 9:33 PM

Altona Weather & Hourly Forecast

United States · Indiana · 46738

65°F

Clear night

Feels like: 66°F

💧 Humidity 80% 🌡 Pressure 30.12 inHg 💨 Wind 4 mph 👁 Visibility 18.4 mi ☁ Clouds 2% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Altona

Today

10:00 PM

Clear night

65° 💧 None 💨 4 mph H 80%30.12 inHg

Tomorrow

1:00 AM

Clear night

62° 💧 None 💨 5 mph H 86%30.15 inHg

4:00 AM

Clear night

60° 💧 None 💨 6 mph H 88%30.15 inHg

7:00 AM

Clear night

59° 💧 None 💨 6 mph H 94%30.18 inHg

10:00 AM

Sunny

67° 💧 None 💨 7 mph H 82%30.21 inHg

1:00 PM

Sunny

75° 💧 None 💨 9 mph H 57%30.18 inHg

4:00 PM

Sunny

77° 💧 None 💨 9 mph H 51%30.15 inHg

7:00 PM

Sunny

73° 💧 None 💨 8 mph H 58%30.15 inHg

10:00 PM

Mostly clear night

65° 💧 None 💨 9 mph H 67%30.21 inHg

Tuesday

1:00 AM

Partly cloudy night

61° 💧 None 💨 7 mph H 77%30.21 inHg

4:00 AM

Overcast night

60° 💧 None 💨 6 mph H 80%30.18 inHg

7:00 AM

Mostly cloudy night

61° 💧 None 💨 7 mph H 83%30.18 inHg

10:00 AM

Partly cloudy

69° 💧 None 💨 7 mph H 73%30.21 inHg

1:00 PM

Overcast

79° 💧 None 💨 8 mph H 64%30.15 inHg

4:00 PM

Overcast

83° 💧 None 💨 8 mph H 60%30.12 inHg

7:00 PM

Overcast

80° 💧 None 💨 5 mph H 66%30.09 inHg

Today

10:00 PM

Clear night

65° 💧 None 💨 4 mph H 80%30.12 inHg

11:00 PM

Clear night

64° 💧 None 💨 4 mph H 84%30.12 inHg

Tomorrow

12:00 AM

Clear night

63° 💧 None 💨 5 mph H 86%30.12 inHg

1:00 AM

Clear night

62° 💧 None 💨 5 mph H 86%30.15 inHg

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 89%30.15 inHg

3:00 AM

Clear night

60° 💧 None 💨 6 mph H 88%30.15 inHg

4:00 AM

Clear night

60° 💧 None 💨 6 mph H 88%30.15 inHg

5:00 AM

Clear night

60° 💧 None 💨 6 mph H 91%30.15 inHg

6:00 AM

Clear night

60° 💧 None 💨 6 mph H 93%30.18 inHg

7:00 AM

Clear night

59° 💧 None 💨 6 mph H 94%30.18 inHg

8:00 AM

Sunny

60° 💧 None 💨 7 mph H 93%30.18 inHg

9:00 AM

Sunny

64° 💧 None 💨 6 mph H 88%30.21 inHg

10:00 AM

Sunny

67° 💧 None 💨 7 mph H 82%30.21 inHg

11:00 AM

Sunny

71° 💧 None 💨 10 mph H 74%30.21 inHg

12:00 PM

Sunny

73° 💧 None 💨 10 mph H 63%30.18 inHg

1:00 PM

Sunny

75° 💧 None 💨 9 mph H 57%30.18 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 9 mph H 53%30.18 inHg

3:00 PM

Sunny

77° 💧 None 💨 8 mph H 52%30.18 inHg

4:00 PM

Sunny

77° 💧 None 💨 9 mph H 51%30.15 inHg

5:00 PM

Sunny

76° 💧 None 💨 9 mph H 51%30.15 inHg

6:00 PM

Sunny

75° 💧 None 💨 9 mph H 52%30.15 inHg

7:00 PM

Sunny

73° 💧 None 💨 8 mph H 58%30.15 inHg

8:00 PM

Mostly cloudy

69° 💧 None 💨 9 mph H 64%30.15 inHg

9:00 PM

Mostly cloudy night

67° 💧 None 💨 9 mph H 66%30.18 inHg

10:00 PM

Mostly clear night

65° 💧 None 💨 9 mph H 67%30.21 inHg

11:00 PM

Clear night

63° 💧 None 💨 9 mph H 68%30.21 inHg

Tuesday

12:00 AM

Mostly clear night

62° 💧 None 💨 8 mph H 72%30.21 inHg

1:00 AM

Partly cloudy night

61° 💧 None 💨 7 mph H 77%30.21 inHg

2:00 AM

Overcast night

60° 💧 None 💨 7 mph H 79%30.18 inHg

3:00 AM

Overcast night

60° 💧 None 💨 7 mph H 79%30.18 inHg

4:00 AM

Overcast night

60° 💧 None 💨 6 mph H 80%30.18 inHg

5:00 AM

Overcast night

60° 💧 None 💨 6 mph H 82%30.18 inHg

6:00 AM

Overcast night

60° 💧 None 💨 6 mph H 83%30.18 inHg

7:00 AM

Mostly cloudy night

61° 💧 None 💨 7 mph H 83%30.18 inHg

8:00 AM

Mostly sunny

62° 💧 None 💨 8 mph H 83%30.18 inHg

9:00 AM

Partly cloudy

65° 💧 None 💨 7 mph H 80%30.21 inHg

10:00 AM

Partly cloudy

69° 💧 None 💨 7 mph H 73%30.21 inHg

11:00 AM

Mostly sunny

73° 💧 None 💨 7 mph H 69%30.21 inHg

12:00 PM

Overcast

76° 💧 None 💨 7 mph H 66%30.18 inHg

1:00 PM

Overcast

79° 💧 None 💨 8 mph H 64%30.15 inHg

2:00 PM

Overcast

81° 💧 None 💨 8 mph H 62%30.15 inHg

3:00 PM

Overcast

82° 💧 None 💨 8 mph H 61%30.12 inHg

4:00 PM

Overcast

83° 💧 None 💨 8 mph H 60%30.12 inHg

5:00 PM

Overcast

82° 💧 None 💨 8 mph H 59%30.09 inHg

6:00 PM

Mostly cloudy

81° 💧 None 💨 7 mph H 60%30.09 inHg

7:00 PM

Overcast

80° 💧 None 💨 5 mph H 66%30.09 inHg

8:00 PM

Overcast

76° 💧 None 💨 5 mph H 74%30.09 inHg

9:00 PM

Mostly clear night

75° 💧 None 💨 6 mph H 76%30.06 inHg

10:00 PM

Clear night

74° 💧 None 💨 7 mph H 78%30.09 inHg

11:00 PM

Clear night

73° 💧 None 💨 8 mph H 80%30.09 inHg

Wednesday

12:00 AM

Clear night

73° 💧 None 💨 8 mph H 81%30.09 inHg

1:00 AM

Mostly clear night

72° 💧 None 💨 8 mph H 83%30.06 inHg

2:00 AM

Clear night

72° 💧 None 💨 8 mph H 85%30.06 inHg

3:00 AM

Partly cloudy night

71° 💧 None 💨 8 mph H 88%30.06 inHg

4:00 AM

Mostly cloudy night

70° 💧 None 💨 8 mph H 88%30.03 inHg

5:00 AM

Mostly cloudy night

70° 💧 None 💨 9 mph H 84%30.03 inHg

6:00 AM

Mostly cloudy night

70° 💧 None 💨 10 mph H 81%30.03 inHg

7:00 AM

Mostly cloudy night

71° 💧 None 💨 10 mph H 79%30.03 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 11 mph H 79%30.03 inHg

5:00 PM

Moderate rain

77° 💧 None 💨 14 mph H 84%29.94 inHg

8:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 94%29.94 inHg

11:00 PM

Mostly cloudy night

74° 💧 None 💨 5 mph H 95%29.94 inHg

Thursday

2:00 AM

Overcast night

71° 💧 None 💨 4 mph H 98%29.94 inHg

5:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 99%29.94 inHg

8:00 AM

Overcast

68° 💧 None 💨 4 mph H 98%29.94 inHg

11:00 AM

Overcast

72° 💧 None 💨 6 mph H 70%29.97 inHg

2:00 PM

Partly cloudy

78° 💧 None 💨 10 mph H 55%29.94 inHg

5:00 PM

Sunny

76° 💧 None 💨 12 mph H 52%29.91 inHg

8:00 PM

Sunny

68° 💧 None 💨 8 mph H 60%29.94 inHg

11:00 PM

Clear night

61° 💧 None 💨 4 mph H 76%30.00 inHg

Friday

2:00 AM

Clear night

57° 💧 None 💨 4 mph H 85%30.00 inHg

5:00 AM

Clear night

55° 💧 None 💨 2 mph H 89%30.00 inHg

8:00 AM

Sunny

55° 💧 None 💨 3 mph H 93%30.00 inHg

11:00 AM

Sunny

68° 💧 None 💨 4 mph H 58%30.00 inHg

2:00 PM

Sunny

74° 💧 None 💨 4 mph H 47%29.97 inHg

5:00 PM

Sunny

76° 💧 None 💨 6 mph H 45%29.91 inHg

8:00 PM

Clear night

69° 💧 None 💨 4 mph H 67%29.88 inHg

11:00 PM

Clear night

64° 💧 None 💨 4 mph H 81%29.91 inHg

Saturday

2:00 AM

Clear night

62° 💧 None 💨 5 mph H 89%29.88 inHg

5:00 AM

Clear night

61° 💧 None 💨 5 mph H 91%29.85 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 6 mph H 87%29.88 inHg

11:00 AM

Partly cloudy

76° 💧 None 💨 8 mph H 73%29.88 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 10 mph H 60%29.85 inHg

8:00 PM

Clear night

81° 💧 None 💨 9 mph H 55%29.91 inHg

Sunday

2:00 AM

Mostly clear night

75° 💧 None 💨 5 mph H 75%29.91 inHg

8:00 AM

Mostly sunny

66° 💧 None 💨 3 mph H 91%30.00 inHg

2:00 PM

Mostly cloudy

65° 💧 None 💨 4 mph H 96%30.06 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 5 mph H 65%30.06 inHg

Monday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 1 mph H 74%30.03 inHg

8:00 AM

Overcast

74° 💧 None 💨 4 mph H 83%30.03 inHg

2:00 PM

Mostly cloudy

70° 💧 None 💨 4 mph H 96%30.06 inHg

8:00 PM

Light rain

82° 💧 None 💨 4 mph H 72%30.03 inHg

Tuesday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 5 mph H 86%29.97 inHg

8:00 AM

Mostly sunny

76° 💧 None 💨 8 mph H 80%29.97 inHg

2:00 PM

Sunny

75° 💧 None 💨 11 mph H 74%29.94 inHg

8:00 PM

Overcast night

87° 💧 None 💨 13 mph H 57%29.97 inHg

Wednesday

2:00 AM

Mostly clear night

70° 💧 None 💨 8 mph H 73%30.09 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 6 mph H 89%30.24 inHg

2:00 PM

Mostly cloudy

58° 💧 None 💨 7 mph H 86%30.30 inHg

8:00 PM

Clear night

75° 💧 None 💨 7 mph H 53%30.33 inHg

Thursday

2:00 AM

Partly cloudy night

71° 💧 None 💨 7 mph H 57%30.30 inHg

8:00 AM

Sunny

60° 💧 None 💨 5 mph H 83%30.36 inHg

2:00 PM

Sunny

55° 💧 None 💨 6 mph H 89%30.39 inHg

8:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 52%30.33 inHg

Friday

2:00 AM

Clear night

68° 💧 None 💨 6 mph H 61%30.24 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 5 mph H 79%30.27 inHg

2:00 PM

Mostly sunny

55° 💧 None 💨 5 mph H 93%30.24 inHg

8:00 PM

Light rain

68° 💧 None 💨 14 mph H 61%30.18 inHg

Saturday

2:00 AM

Mostly cloudy night

58° 💧 None 💨 13 mph H 56%30.27 inHg

8:00 AM

Sunny

50° 💧 None 💨 10 mph H 56%30.36 inHg

2:00 PM

Sunny

46° 💧 None 💨 9 mph H 68%30.39 inHg

8:00 PM

Overcast night

60° 💧 None 💨 12 mph H 40%30.36 inHg

Sunday

2:00 AM

Overcast night

57° 💧 None 💨 9 mph H 47%30.33 inHg

8:00 AM

Sunny

48° 💧 None 💨 5 mph H 70%30.36 inHg

2:00 PM

Sunny

45° 💧 None 💨 6 mph H 83%30.42 inHg

8:00 PM

Mostly cloudy night

61° 💧 None 💨 8 mph H 44%30.36 inHg

Monday

2:00 AM

Clear night

57° 💧 None 💨 6 mph H 56%30.30 inHg

8:00 AM

Sunny

48° 💧 None 💨 5 mph H 78%30.36 inHg

2:00 PM

Sunny

46° 💧 None 💨 5 mph H 92%30.36 inHg

In Altona and, more broadly, across the state of Indiana: Clear skies will persist through the evening with temperatures remaining mild to warm, ranging from 71 to 77 degrees Fahrenheit. Light northeast winds will continue, gusting up to 17 mph at times, with sustained speeds around 7 mph. No precipitation is expected during these hours, ensuring a calm and dry night ahead. Conditions remain comfortable, making it a pleasant evening for outdoor activities. Temperatures will gradually cool later tonight but remain above typical lows for this time of year. Overall, expect clear, dry, and relatively breezy conditions through the evening hours.

15-Day Weather Outlook for Altona

Tuesday, Sep 8Tue Sep 8

Mostly cloudy 83°/60° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Moderate rain 77°/70° 💧 0.079 in 💨 14 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 78°/68° 💧 0.048 in 💨 12 mph

Friday, Sep 11Fri Sep 11

Sunny 76°/55° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 84°/61° 💧 0.006 in 💨 10 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 81°/65° 💧 0.391 in 💨 9 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 82°/70° 💧 0.103 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Light rain 82°/75° 💧 0.050 in 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Overcast 87°/58° 💧 0.064 in 💨 13 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 75°/55° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 73°/55° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Light rain 68°/46° 💧 0.056 in 💨 14 mph

Sunday, Sep 20Sun Sep 20

Overcast 60°/45° 💧 None 💨 12 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 61°/46° 💧 0.001 in 💨 8 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 10:00 PM

PM2.5 Fine particles Good 6,1µg/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 6,8µg/m³

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

O₃ Ozone Fair 64,2µg/m³

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

NO₂ Nitrogen dioxide Good 3,3µg/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 7,2High 🙂Fair

Tomorrow UV 6,9High 🙂Fair

Tuesday UV 6,9High 🙂Fair

Wednesday UV 3,9Moderate 😐Moderate

Thursday UV 4,6Moderate 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 6,0High —Unavailable

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

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:41 PM–5:37 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 22% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 48° 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 min70%

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 9:33 PM. The current forecast period extends through 08/09/2026 at 7:00 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.