What is the weather in Hartz Lake right now?

Current weather in Hartz Lake is overcast clouds.

Where can I find the hourly weather forecast for Hartz Lake?

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

Is the weather forecast for Hartz Lake updated regularly?

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

Now · 8:14 AM

Hartz Lake Weather & Hourly Forecast

United States · Indiana

57°F

Overcast

Feels like: 52°F

💧 Humidity 78% 🌡 Pressure 30.30 inHg 💨 Wind 10 mph 👁 Visibility 19.5 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:33 AM 🌇 Sunset 7:43 PM

Hourly Forecast for Hartz Lake

Today

8:00 AM

Overcast

57° 💧 0.001 in 💨 10 mph H 80%30.33 inHg

11:00 AM

Overcast

62° 💧 0.007 in 💨 13 mph H 75%30.33 inHg

2:00 PM

Overcast

63° 💧 0.005 in 💨 12 mph H 75%30.30 inHg

5:00 PM

Overcast

63° 💧 0.001 in 💨 9 mph H 79%30.30 inHg

8:00 PM

Overcast night

62° 💧 None 💨 11 mph H 61%30.30 inHg

11:00 PM

Overcast night

60° 💧 None 💨 9 mph H 66%30.33 inHg

Tomorrow

2:00 AM

Mostly cloudy night

59° 💧 None 💨 8 mph H 77%30.30 inHg

5:00 AM

Overcast night

58° 💧 None 💨 7 mph H 81%30.30 inHg

8:00 AM

Overcast

59° 💧 None 💨 9 mph H 75%30.33 inHg

11:00 AM

Sunny

64° 💧 None 💨 9 mph H 67%30.33 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 9 mph H 58%30.27 inHg

5:00 PM

Overcast

67° 💧 None 💨 8 mph H 61%30.27 inHg

8:00 PM

Overcast night

60° 💧 None 💨 7 mph H 77%30.27 inHg

11:00 PM

Overcast night

56° 💧 None 💨 8 mph H 71%30.30 inHg

Friday

2:00 AM

Overcast night

53° 💧 None 💨 6 mph H 79%30.30 inHg

5:00 AM

Overcast night

54° 💧 None 💨 5 mph H 82%30.30 inHg

Today

8:00 AM

Overcast

57° 💧 0.000 in 💨 10 mph H 80%30.33 inHg

9:00 AM

Overcast

58° 💧 None 💨 10 mph H 79%30.33 inHg

10:00 AM

Overcast

60° 💧 0.001 in 💨 12 mph H 77%30.33 inHg

11:00 AM

Overcast

62° 💧 0.002 in 💨 13 mph H 75%30.33 inHg

12:00 PM

Overcast

62° 💧 0.001 in 💨 12 mph H 76%30.33 inHg

1:00 PM

Overcast

63° 💧 0.003 in 💨 11 mph H 75%30.30 inHg

2:00 PM

Overcast

63° 💧 0.001 in 💨 12 mph H 75%30.30 inHg

3:00 PM

Overcast

63° 💧 0.002 in 💨 12 mph H 76%30.30 inHg

4:00 PM

Overcast

63° 💧 0.002 in 💨 12 mph H 78%30.30 inHg

5:00 PM

Overcast

63° 💧 0.001 in 💨 9 mph H 79%30.30 inHg

6:00 PM

Overcast

63° 💧 None 💨 8 mph H 76%30.27 inHg

7:00 PM

Overcast night

63° 💧 None 💨 10 mph H 70%30.30 inHg

8:00 PM

Overcast night

62° 💧 None 💨 11 mph H 61%30.30 inHg

9:00 PM

Overcast night

61° 💧 None 💨 11 mph H 60%30.33 inHg

10:00 PM

Overcast night

61° 💧 None 💨 10 mph H 63%30.33 inHg

11:00 PM

Overcast night

60° 💧 None 💨 9 mph H 66%30.33 inHg

Tomorrow

12:00 AM

Overcast night

60° 💧 None 💨 9 mph H 70%30.30 inHg

1:00 AM

Partly cloudy night

59° 💧 None 💨 8 mph H 74%30.30 inHg

2:00 AM

Mostly cloudy night

59° 💧 None 💨 8 mph H 77%30.30 inHg

3:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 80%30.30 inHg

4:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 81%30.30 inHg

5:00 AM

Overcast night

58° 💧 None 💨 7 mph H 81%30.30 inHg

6:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 79%30.30 inHg

7:00 AM

Mostly cloudy

59° 💧 None 💨 7 mph H 78%30.33 inHg

8:00 AM

Overcast

59° 💧 None 💨 9 mph H 75%30.33 inHg

9:00 AM

Sunny

59° 💧 None 💨 9 mph H 74%30.33 inHg

10:00 AM

Sunny

62° 💧 None 💨 8 mph H 70%30.33 inHg

11:00 AM

Sunny

64° 💧 None 💨 9 mph H 67%30.33 inHg

12:00 PM

Sunny

66° 💧 None 💨 9 mph H 65%30.33 inHg

1:00 PM

Mostly sunny

68° 💧 None 💨 10 mph H 61%30.30 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 9 mph H 58%30.27 inHg

3:00 PM

Mostly sunny

69° 💧 None 💨 9 mph H 57%30.27 inHg

4:00 PM

Partly cloudy

68° 💧 None 💨 9 mph H 59%30.27 inHg

5:00 PM

Overcast

67° 💧 None 💨 8 mph H 61%30.27 inHg

6:00 PM

Overcast

65° 💧 None 💨 6 mph H 69%30.27 inHg

7:00 PM

Overcast night

62° 💧 None 💨 7 mph H 74%30.27 inHg

8:00 PM

Overcast night

60° 💧 None 💨 7 mph H 77%30.27 inHg

9:00 PM

Overcast night

60° 💧 None 💨 9 mph H 72%30.30 inHg

10:00 PM

Overcast night

58° 💧 None 💨 10 mph H 69%30.30 inHg

11:00 PM

Overcast night

56° 💧 None 💨 8 mph H 71%30.30 inHg

Friday

12:00 AM

Mostly cloudy night

54° 💧 None 💨 8 mph H 74%30.30 inHg

1:00 AM

Mostly cloudy night

54° 💧 None 💨 8 mph H 76%30.30 inHg

2:00 AM

Overcast night

53° 💧 None 💨 6 mph H 79%30.30 inHg

3:00 AM

Overcast night

54° 💧 None 💨 7 mph H 79%30.30 inHg

4:00 AM

Overcast night

54° 💧 None 💨 7 mph H 80%30.27 inHg

5:00 AM

Overcast night

54° 💧 None 💨 5 mph H 82%30.30 inHg

6:00 AM

Overcast night

54° 💧 None 💨 5 mph H 83%30.30 inHg

7:00 AM

Overcast

54° 💧 None 💨 5 mph H 84%30.30 inHg

8:00 AM

Overcast

54° 💧 None 💨 5 mph H 84%30.33 inHg

9:00 AM

Overcast

56° 💧 None 💨 5 mph H 81%30.33 inHg

10:00 AM

Overcast

58° 💧 None 💨 5 mph H 78%30.33 inHg

11:00 AM

Overcast

62° 💧 None 💨 6 mph H 66%30.33 inHg

12:00 PM

Mostly sunny

63° 💧 None 💨 7 mph H 57%30.33 inHg

1:00 PM

Mostly cloudy

65° 💧 None 💨 7 mph H 52%30.30 inHg

2:00 PM

Overcast

66° 💧 None 💨 7 mph H 50%30.27 inHg

3:00 PM

Overcast

66° 💧 None 💨 6 mph H 51%30.24 inHg

4:00 PM

Mostly cloudy

66° 💧 None 💨 5 mph H 52%30.24 inHg

5:00 PM

Mostly sunny

65° 💧 None 💨 5 mph H 57%30.24 inHg

6:00 PM

Mostly cloudy

62° 💧 None 💨 3 mph H 73%30.24 inHg

7:00 PM

Mostly cloudy night

59° 💧 None 💨 2 mph H 79%30.24 inHg

10:00 PM

Mostly clear night

56° 💧 None 💨 5 mph H 86%30.27 inHg

Saturday

1:00 AM

Mostly clear night

53° 💧 None 💨 7 mph H 88%30.27 inHg

4:00 AM

Clear night

50° 💧 None 💨 5 mph H 93%30.24 inHg

7:00 AM

Mostly cloudy

49° 💧 None 💨 6 mph H 96%30.27 inHg

10:00 AM

Mostly cloudy

61° 💧 None 💨 5 mph H 77%30.27 inHg

1:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 63%30.24 inHg

4:00 PM

Partly cloudy

69° 💧 None 💨 6 mph H 63%30.18 inHg

7:00 PM

Clear night

61° 💧 None 💨 4 mph H 83%30.15 inHg

10:00 PM

Mostly cloudy night

57° 💧 None 💨 4 mph H 90%30.15 inHg

Sunday

1:00 AM

Mostly cloudy night

56° 💧 None 💨 6 mph H 91%30.15 inHg

4:00 AM

Mostly cloudy night

53° 💧 None 💨 4 mph H 93%30.15 inHg

7:00 AM

Mostly sunny

51° 💧 None 💨 5 mph H 96%30.15 inHg

10:00 AM

Sunny

63° 💧 None 💨 6 mph H 77%30.15 inHg

1:00 PM

Mostly sunny

69° 💧 None 💨 4 mph H 59%30.12 inHg

4:00 PM

Mostly cloudy

70° 💧 None 💨 3 mph H 54%30.06 inHg

7:00 PM

Clear night

61° 💧 None 💨 3 mph H 77%30.06 inHg

10:00 PM

Mostly clear night

56° 💧 None 💨 3 mph H 88%30.06 inHg

Monday

1:00 AM

Mostly clear night

53° 💧 None 💨 3 mph H 95%30.06 inHg

4:00 AM

Mostly clear night

52° 💧 None 💨 3 mph H 94%30.06 inHg

7:00 AM

Mostly sunny

50° 💧 None 💨 4 mph H 95%30.06 inHg

10:00 AM

Sunny

65° 💧 None 💨 4 mph H 66%30.06 inHg

1:00 PM

Sunny

69° 💧 None 💨 1 mph H 58%30.00 inHg

4:00 PM

Sunny

70° 💧 None 💨 2 mph H 58%29.97 inHg

7:00 PM

Clear night

62° 💧 None 💨 4 mph H 81%29.94 inHg

Tuesday

1:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 86%29.94 inHg

7:00 AM

Sunny

54° 💧 None 💨 8 mph H 88%29.94 inHg

1:00 PM

Mostly sunny

74° 💧 None 💨 9 mph H 52%29.85 inHg

7:00 PM

Overcast night

72° 💧 None 💨 10 mph H 70%29.77 inHg

Wednesday

1:00 AM

Light rain

66° 💧 None 💨 12 mph H 96%29.71 inHg

7:00 AM

Light rain

67° 💧 None 💨 14 mph H 96%29.62 inHg

1:00 PM

Light rain

69° 💧 None 💨 16 mph H 96%29.65 inHg

7:00 PM

Moderate rain

67° 💧 None 💨 10 mph H 97%29.65 inHg

Thursday

1:00 AM

Light rain

66° 💧 None 💨 5 mph H 99%29.59 inHg

7:00 AM

Moderate rain

61° 💧 None 💨 13 mph H 98%29.59 inHg

1:00 PM

Overcast

60° 💧 None 💨 11 mph H 84%29.71 inHg

7:00 PM

Light rain

58° 💧 None 💨 9 mph H 80%29.77 inHg

Friday

1:00 AM

Mostly clear night

52° 💧 None 💨 8 mph H 93%29.85 inHg

7:00 AM

Partly cloudy

51° 💧 None 💨 9 mph H 84%29.91 inHg

1:00 PM

Partly cloudy

59° 💧 None 💨 12 mph H 50%30.00 inHg

7:00 PM

Partly cloudy night

54° 💧 None 💨 4 mph H 66%30.03 inHg

Saturday

1:00 AM

Clear night

50° 💧 None 💨 5 mph H 79%30.09 inHg

7:00 AM

Mostly sunny

46° 💧 None 💨 4 mph H 89%30.18 inHg

1:00 PM

Mostly cloudy

58° 💧 None 💨 8 mph H 48%30.21 inHg

7:00 PM

Mostly clear night

50° 💧 None 💨 3 mph H 73%30.21 inHg

Sunday

1:00 AM

Overcast night

47° 💧 None 💨 5 mph H 76%30.24 inHg

7:00 AM

Overcast

49° 💧 None 💨 5 mph H 72%30.30 inHg

1:00 PM

Mostly sunny

64° 💧 None 💨 5 mph H 48%30.24 inHg

7:00 PM

Mostly cloudy night

56° 💧 None 💨 4 mph H 72%30.18 inHg

Monday

1:00 AM

Mostly cloudy night

53° 💧 None 💨 8 mph H 73%30.18 inHg

7:00 AM

Overcast

53° 💧 None 💨 10 mph H 75%30.18 inHg

1:00 PM

Overcast

66° 💧 None 💨 12 mph H 60%30.09 inHg

7:00 PM

Overcast night

64° 💧 None 💨 7 mph H 78%30.03 inHg

Tuesday

1:00 AM

Mostly clear night

61° 💧 None 💨 11 mph H 87%30.00 inHg

7:00 AM

Sunny

60° 💧 None 💨 12 mph H 86%29.94 inHg

1:00 PM

Overcast

72° 💧 None 💨 12 mph H 74%29.91 inHg

7:00 PM

Clear night

60° 💧 None 💨 6 mph H 76%29.94 inHg

Wednesday

1:00 AM

Clear night

54° 💧 None 💨 9 mph H 62%30.00 inHg

7:00 AM

Sunny

49° 💧 None 💨 10 mph H 72%30.03 inHg

1:00 PM

Mostly sunny

58° 💧 None 💨 14 mph H 51%30.03 inHg

7:00 PM

Moderate rain

48° 💧 None 💨 12 mph H 78%30.03 inHg

In Hartz Lake and, more broadly, across the state of Indiana: The morning will start with mostly cloudy skies and mild temperatures around 62 degrees. Winds will be coming in from the northeast at about 8 mph, with gusts reaching up to 16 mph. As the day progresses into the afternoon, temperatures will warm up to around 75 degrees. The wind will pick up slightly, with a maximum of 13 mph and gusts up to 26 mph, providing a moderate breeze. No precipitation is expected throughout the day, making for dry and fairly comfortable conditions. Overall, it will be a mild day with varying cloud cover and breezy intervals.

15-Day Weather Outlook for Hartz Lake

TomorrowTomorrow

Overcast 69°/56° 💧 None 💨 10 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 66°/53° 💧 0.013 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 69°/49° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 70°/51° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 70°/50° 💧 None 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 74°/54° 💧 None 💨 10 mph

Wednesday, Sep 30Wed Sep 30

Moderate rain 69°/66° 💧 0.956 in 💨 16 mph

Thursday, Oct 1Thu Oct 1

Moderate rain 66°/58° 💧 0.662 in 💨 13 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 59°/51° 💧 0.016 in 💨 12 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 58°/46° 💧 None 💨 8 mph

Sunday, Oct 4Sun Oct 4

Overcast 64°/47° 💧 None 💨 5 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 66°/53° 💧 None 💨 12 mph

Tuesday, Oct 6Tue Oct 6

Overcast 72°/60° 💧 0.023 in 💨 12 mph

Wednesday, Oct 7Wed Oct 7

Moderate rain 58°/48° 💧 0.016 in 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hartz Lake

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Hartz Lake

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 3,1µg/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 3,5µg/m³

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

O₃ Ozone Good 54,9µg/m³

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

NO₂ Nitrogen dioxide Good 4,1µg/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 Hartz Lake

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 1,9Low 😊Good

Tomorrow UV 5,6Moderate 🙂Fair

Friday UV 5,6Moderate 😐Moderate

Saturday UV 5,4Moderate 😐Moderate

Sunday UV 4,0Moderate 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

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

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during 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 Hartz Lake

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARTZ LAKE, INDIANA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

50/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:14 PM–5:03 AM

☁ Cloud cover 58% Real hourly forecast for the best viewing hour.

☾ Moonlight 94% Waxing Gibbous · Moon about 29° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 43° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min22%

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.

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Forecast data for Hartz Lake were last refreshed today at 6:17 AM. The current forecast period extends through 25/09/2026 at 5:00 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.