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Current weather in Altona is clear sky.

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

Now · 6:52 AM

Altona Weather & Hourly Forecast

United States · New York · 12910

41°F

Sunny

Feels like: 37°F

💧 Humidity 88% 🌡 Pressure 30.59 inHg 💨 Wind 2 mph 👁 Visibility 25.1 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:41 AM 🌇 Sunset 6:52 PM

Hourly Forecast for Altona

Today

7:00 AM

Sunny

41° 💧 None 💨 2 mph H 88%30.59 inHg

10:00 AM

Sunny

53° 💧 None 💨 2 mph H 71%30.62 inHg

1:00 PM

Sunny

61° 💧 None 💨 6 mph H 49%30.59 inHg

4:00 PM

Sunny

62° 💧 None 💨 6 mph H 51%30.53 inHg

7:00 PM

Clear night

52° 💧 None 💨 4 mph H 77%30.53 inHg

10:00 PM

Clear night

48° 💧 None 💨 3 mph H 78%30.56 inHg

Tomorrow

1:00 AM

Clear night

47° 💧 None 💨 1 mph H 79%30.53 inHg

4:00 AM

Clear night

44° 💧 None 💨 2 mph H 83%30.50 inHg

7:00 AM

Sunny

44° 💧 None 💨 2 mph H 83%30.53 inHg

10:00 AM

Sunny

55° 💧 None 💨 3 mph H 69%30.53 inHg

1:00 PM

Sunny

62° 💧 None 💨 5 mph H 55%30.47 inHg

4:00 PM

Sunny

64° 💧 None 💨 6 mph H 56%30.39 inHg

7:00 PM

Clear night

54° 💧 None 💨 4 mph H 82%30.39 inHg

10:00 PM

Clear night

52° 💧 None 💨 3 mph H 78%30.36 inHg

Friday

1:00 AM

Clear night

52° 💧 None 💨 2 mph H 77%30.33 inHg

4:00 AM

Clear night

49° 💧 None 💨 4 mph H 84%30.30 inHg

Today

7:00 AM

Sunny

41° 💧 None 💨 2 mph H 88%30.59 inHg

8:00 AM

Sunny

45° 💧 None 💨 3 mph H 85%30.59 inHg

9:00 AM

Sunny

49° 💧 None 💨 2 mph H 79%30.62 inHg

10:00 AM

Sunny

53° 💧 None 💨 2 mph H 71%30.62 inHg

11:00 AM

Sunny

57° 💧 None 💨 3 mph H 64%30.62 inHg

12:00 PM

Sunny

59° 💧 None 💨 5 mph H 56%30.62 inHg

1:00 PM

Sunny

61° 💧 None 💨 6 mph H 49%30.59 inHg

2:00 PM

Sunny

61° 💧 None 💨 6 mph H 49%30.56 inHg

3:00 PM

Sunny

62° 💧 None 💨 6 mph H 51%30.56 inHg

4:00 PM

Sunny

62° 💧 None 💨 6 mph H 51%30.53 inHg

5:00 PM

Sunny

61° 💧 None 💨 6 mph H 55%30.53 inHg

6:00 PM

Sunny

57° 💧 None 💨 4 mph H 74%30.53 inHg

7:00 PM

Clear night

52° 💧 None 💨 4 mph H 77%30.53 inHg

8:00 PM

Clear night

51° 💧 None 💨 5 mph H 77%30.56 inHg

9:00 PM

Clear night

49° 💧 None 💨 5 mph H 77%30.56 inHg

10:00 PM

Clear night

48° 💧 None 💨 3 mph H 78%30.56 inHg

11:00 PM

Clear night

48° 💧 None 💨 1 mph H 78%30.56 inHg

Tomorrow

12:00 AM

Clear night

47° 💧 None 💨 1 mph H 78%30.56 inHg

1:00 AM

Clear night

47° 💧 None 💨 1 mph H 79%30.53 inHg

2:00 AM

Clear night

46° 💧 None 💨 1 mph H 80%30.53 inHg

3:00 AM

Clear night

45° 💧 None 💨 2 mph H 82%30.53 inHg

4:00 AM

Clear night

44° 💧 None 💨 2 mph H 83%30.50 inHg

5:00 AM

Clear night

44° 💧 None 💨 2 mph H 83%30.50 inHg

6:00 AM

Clear night

43° 💧 None 💨 2 mph H 83%30.53 inHg

7:00 AM

Sunny

44° 💧 None 💨 2 mph H 83%30.53 inHg

8:00 AM

Sunny

48° 💧 None 💨 3 mph H 82%30.53 inHg

9:00 AM

Sunny

52° 💧 None 💨 2 mph H 76%30.53 inHg

10:00 AM

Sunny

55° 💧 None 💨 3 mph H 69%30.53 inHg

11:00 AM

Sunny

58° 💧 None 💨 4 mph H 62%30.50 inHg

12:00 PM

Sunny

60° 💧 None 💨 4 mph H 58%30.47 inHg

1:00 PM

Sunny

62° 💧 None 💨 5 mph H 55%30.47 inHg

2:00 PM

Sunny

63° 💧 None 💨 5 mph H 54%30.45 inHg

3:00 PM

Sunny

64° 💧 None 💨 5 mph H 54%30.42 inHg

4:00 PM

Sunny

64° 💧 None 💨 6 mph H 56%30.39 inHg

5:00 PM

Sunny

63° 💧 None 💨 6 mph H 61%30.39 inHg

6:00 PM

Sunny

59° 💧 None 💨 5 mph H 78%30.39 inHg

7:00 PM

Clear night

54° 💧 None 💨 4 mph H 82%30.39 inHg

8:00 PM

Clear night

53° 💧 None 💨 3 mph H 79%30.39 inHg

9:00 PM

Clear night

53° 💧 None 💨 3 mph H 78%30.39 inHg

10:00 PM

Clear night

52° 💧 None 💨 3 mph H 78%30.36 inHg

11:00 PM

Clear night

52° 💧 None 💨 2 mph H 77%30.36 inHg

Friday

12:00 AM

Clear night

52° 💧 None 💨 1 mph H 76%30.36 inHg

1:00 AM

Clear night

52° 💧 None 💨 2 mph H 77%30.33 inHg

2:00 AM

Clear night

51° 💧 None 💨 2 mph H 79%30.33 inHg

3:00 AM

Clear night

50° 💧 None 💨 3 mph H 81%30.30 inHg

4:00 AM

Clear night

49° 💧 None 💨 4 mph H 84%30.30 inHg

5:00 AM

Clear night

48° 💧 None 💨 5 mph H 86%30.30 inHg

6:00 AM

Clear night

47° 💧 None 💨 5 mph H 88%30.33 inHg

7:00 AM

Sunny

47° 💧 None 💨 5 mph H 89%30.33 inHg

8:00 AM

Sunny

51° 💧 None 💨 5 mph H 87%30.33 inHg

9:00 AM

Sunny

55° 💧 None 💨 4 mph H 81%30.33 inHg

10:00 AM

Sunny

58° 💧 None 💨 3 mph H 74%30.33 inHg

11:00 AM

Sunny

61° 💧 None 💨 3 mph H 67%30.33 inHg

12:00 PM

Sunny

64° 💧 None 💨 4 mph H 61%30.33 inHg

1:00 PM

Mostly sunny

66° 💧 None 💨 5 mph H 56%30.30 inHg

2:00 PM

Partly cloudy

67° 💧 None 💨 5 mph H 53%30.27 inHg

3:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 51%30.24 inHg

4:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 49%30.24 inHg

5:00 PM

Mostly sunny

66° 💧 None 💨 5 mph H 61%30.24 inHg

6:00 PM

Sunny

63° 💧 None 💨 4 mph H 77%30.24 inHg

7:00 PM

Mostly clear night

58° 💧 None 💨 5 mph H 81%30.24 inHg

8:00 PM

Clear night

57° 💧 None 💨 4 mph H 78%30.24 inHg

11:00 PM

Mostly clear night

55° 💧 None 💨 1 mph H 71%30.24 inHg

Saturday

2:00 AM

Partly cloudy night

52° 💧 None 💨 4 mph H 81%30.24 inHg

5:00 AM

Mostly clear night

50° 💧 None 💨 4 mph H 91%30.24 inHg

8:00 AM

Overcast

51° 💧 None 💨 4 mph H 95%30.24 inHg

11:00 AM

Overcast

59° 💧 None 💨 3 mph H 74%30.24 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 6 mph H 57%30.21 inHg

5:00 PM

Overcast

65° 💧 None 💨 6 mph H 57%30.15 inHg

8:00 PM

Overcast night

57° 💧 None 💨 5 mph H 66%30.15 inHg

11:00 PM

Overcast night

54° 💧 None 💨 4 mph H 71%30.15 inHg

Sunday

2:00 AM

Overcast night

52° 💧 None 💨 4 mph H 79%30.12 inHg

5:00 AM

Mostly cloudy night

49° 💧 None 💨 5 mph H 84%30.09 inHg

8:00 AM

Overcast

51° 💧 None 💨 5 mph H 88%30.09 inHg

11:00 AM

Overcast

61° 💧 None 💨 7 mph H 66%30.06 inHg

2:00 PM

Overcast

66° 💧 None 💨 9 mph H 54%30.00 inHg

5:00 PM

Light rain

62° 💧 None 💨 6 mph H 69%30.00 inHg

8:00 PM

Light rain

58° 💧 None 💨 9 mph H 86%30.00 inHg

11:00 PM

Light rain

55° 💧 None 💨 8 mph H 89%29.97 inHg

Monday

2:00 AM

Light rain

53° 💧 None 💨 6 mph H 97%29.94 inHg

5:00 AM

Light rain

52° 💧 None 💨 6 mph H 98%29.91 inHg

8:00 AM

Overcast

52° 💧 None 💨 6 mph H 97%29.94 inHg

11:00 AM

Mostly cloudy

56° 💧 None 💨 7 mph H 80%29.91 inHg

2:00 PM

Overcast

59° 💧 None 💨 7 mph H 71%29.88 inHg

5:00 PM

Overcast

59° 💧 None 💨 4 mph H 72%29.88 inHg

8:00 PM

Overcast night

55° 💧 None 💨 4 mph H 81%29.91 inHg

Tuesday

2:00 AM

Overcast night

53° 💧 None 💨 5 mph H 84%29.94 inHg

8:00 AM

Sunny

53° 💧 None 💨 5 mph H 83%30.00 inHg

2:00 PM

Sunny

67° 💧 None 💨 6 mph H 54%29.97 inHg

8:00 PM

Clear night

55° 💧 None 💨 3 mph H 85%29.97 inHg

Wednesday

2:00 AM

Mostly clear night

49° 💧 None 💨 6 mph H 92%30.00 inHg

8:00 AM

Sunny

53° 💧 None 💨 5 mph H 87%30.00 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 7 mph H 51%29.94 inHg

8:00 PM

Mostly clear night

63° 💧 None 💨 8 mph H 74%29.88 inHg

Thursday

2:00 AM

Mostly clear night

65° 💧 None 💨 8 mph H 73%29.85 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 5 mph H 79%29.88 inHg

2:00 PM

Partly cloudy

81° 💧 None 💨 9 mph H 50%29.80 inHg

8:00 PM

Mostly clear night

71° 💧 None 💨 10 mph H 62%29.74 inHg

Friday

2:00 AM

Light rain

65° 💧 None 💨 11 mph H 93%29.71 inHg

8:00 AM

Light rain

66° 💧 None 💨 0 mph H 92%29.74 inHg

2:00 PM

Overcast

63° 💧 None 💨 4 mph H 93%29.71 inHg

8:00 PM

Clear night

61° 💧 None 💨 10 mph H 63%29.74 inHg

Saturday

2:00 AM

Clear night

53° 💧 None 💨 12 mph H 73%29.83 inHg

8:00 AM

Sunny

50° 💧 None 💨 11 mph H 73%29.91 inHg

2:00 PM

Overcast

54° 💧 None 💨 13 mph H 56%29.97 inHg

8:00 PM

Overcast night

51° 💧 None 💨 9 mph H 56%30.06 inHg

Sunday

2:00 AM

Partly cloudy night

47° 💧 None 💨 8 mph H 63%30.15 inHg

8:00 AM

Mostly sunny

44° 💧 None 💨 7 mph H 72%30.24 inHg

2:00 PM

Sunny

55° 💧 None 💨 6 mph H 47%30.21 inHg

8:00 PM

Clear night

45° 💧 None 💨 5 mph H 73%30.21 inHg

Monday

2:00 AM

Overcast night

49° 💧 None 💨 7 mph H 70%30.18 inHg

8:00 AM

Sunny

49° 💧 None 💨 6 mph H 77%30.18 inHg

2:00 PM

Mostly sunny

60° 💧 None 💨 9 mph H 47%30.12 inHg

8:00 PM

Partly cloudy night

52° 💧 None 💨 6 mph H 78%30.09 inHg

Tuesday

2:00 AM

Overcast night

57° 💧 None 💨 9 mph H 61%30.00 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 8 mph H 64%29.94 inHg

2:00 PM

Overcast

68° 💧 None 💨 13 mph H 49%29.77 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 11 mph H 89%29.62 inHg

Wednesday

2:00 AM

Mostly clear night

57° 💧 None 💨 12 mph H 84%29.59 inHg

8:00 AM

Sunny

53° 💧 None 💨 12 mph H 62%29.62 inHg

2:00 PM

Light rain

56° 💧 None 💨 12 mph H 64%29.62 inHg

8:00 PM

Mostly clear night

48° 💧 None 💨 10 mph H 72%29.68 inHg

In Altona and, more broadly, across the state of New York: This morning, the sky is mostly cloudy with temperatures starting off in the mid-50s. It will remain cool through the day, with highs reaching the upper 50s to low 60s. Conditions are expected to stay dry, so no rain is forecast. Winds will be light from the northeast, generally around 8 mph, with occasional gusts up to 18 mph. In the afternoon, the clouds may persist, but overall, it should stay dry and relatively calm. Temperatures will remain cool, making it a good day to dress in layers if you're heading outside. No significant weather impacts are anticipated, and conditions will be fairly stable throughout the day.

15-Day Weather Outlook for Altona

TomorrowTomorrow

Sunny 64°/43° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 68°/47° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 66°/50° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Light rain 66°/49° 💧 0.046 in 💨 9 mph

Monday, Sep 28Mon Sep 28

Light rain 59°/52° 💧 0.050 in 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Overcast 67°/53° 💧 None 💨 6 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 75°/49° 💧 None 💨 8 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 81°/65° 💧 None 💨 10 mph

Friday, Oct 2Fri Oct 2

Light rain 66°/61° 💧 0.525 in 💨 11 mph

Saturday, Oct 3Sat Oct 3

Overcast 54°/50° 💧 0.001 in 💨 13 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 55°/44° 💧 None 💨 8 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 60°/49° 💧 None 💨 9 mph

Tuesday, Oct 6Tue Oct 6

Partly cloudy 68°/57° 💧 0.101 in 💨 13 mph

Wednesday, Oct 7Wed Oct 7

Light rain 57°/48° 💧 0.095 in 💨 12 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

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 0,8µg/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 1,1µg/m³

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

O₃ Ozone Good 39,1µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 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 4,6Moderate 😊Good

Tomorrow UV 4,5Moderate 🙂Fair

Friday UV 4,4Moderate 🙂Fair

Saturday UV 4,4Moderate 🙂Fair

Sunday UV 3,0Moderate 🙂Fair

Monday UV 3,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Altona

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ALTONA, NEW YORK

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:29 PM–5:06 AM

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

☾ Moonlight 94% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 58° 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 min71%

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Altona were last refreshed today at 6:52 AM. The current forecast period extends through 25/09/2026 at 4:00 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.