What is the weather in Arlington Heights right now?

Current weather in Arlington Heights is scattered clouds.

Where can I find the hourly weather forecast for Arlington Heights?

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

Is the weather forecast for Arlington Heights updated regularly?

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

Now · 9:09 AM

Arlington Heights Weather & Hourly Forecast

United States · Illinois · 60004

62°F

Partly cloudy

Feels like: 60°F

💧 Humidity 78% 🌡 Pressure 30.36 inHg 💨 Wind 6 mph 👁 Visibility 20.1 mi ☁ Clouds 44% ☀️ UV index 0.3 · Low 🌅 Sunrise 6:40 AM 🌇 Sunset 6:47 PM

Hourly Forecast for Arlington Heights

Today

10:00 AM

Partly cloudy

63° 💧 None 💨 7 mph H 75%30.36 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 7 mph H 70%30.33 inHg

4:00 PM

Overcast

65° 💧 None 💨 6 mph H 73%30.30 inHg

7:00 PM

Mostly cloudy night

63° 💧 None 💨 4 mph H 86%30.30 inHg

10:00 PM

Overcast night

61° 💧 None 💨 3 mph H 90%30.30 inHg

Tomorrow

1:00 AM

Overcast night

61° 💧 0.001 in 💨 2 mph H 91%30.27 inHg

4:00 AM

Overcast night

61° 💧 None 💨 3 mph H 90%30.27 inHg

7:00 AM

Overcast

60° 💧 None 💨 4 mph H 86%30.30 inHg

10:00 AM

Overcast

60° 💧 0.001 in 💨 2 mph H 83%30.33 inHg

1:00 PM

Mostly cloudy

64° 💧 None 💨 2 mph H 70%30.30 inHg

4:00 PM

Overcast

65° 💧 None 💨 6 mph H 59%30.24 inHg

7:00 PM

Partly cloudy night

58° 💧 None 💨 3 mph H 77%30.24 inHg

10:00 PM

Mostly clear night

57° 💧 None 💨 4 mph H 84%30.24 inHg

Saturday

1:00 AM

Clear night

56° 💧 None 💨 4 mph H 89%30.21 inHg

4:00 AM

Clear night

54° 💧 None 💨 3 mph H 87%30.21 inHg

7:00 AM

Sunny

53° 💧 None 💨 4 mph H 86%30.21 inHg

Today

10:00 AM

Partly cloudy

63° 💧 None 💨 7 mph H 75%30.36 inHg

11:00 AM

Mostly cloudy

64° 💧 None 💨 7 mph H 74%30.36 inHg

12:00 PM

Mostly cloudy

66° 💧 None 💨 6 mph H 71%30.33 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 7 mph H 70%30.33 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 7 mph H 69%30.30 inHg

3:00 PM

Overcast

66° 💧 None 💨 7 mph H 71%30.30 inHg

4:00 PM

Overcast

65° 💧 None 💨 6 mph H 73%30.30 inHg

5:00 PM

Overcast

64° 💧 None 💨 5 mph H 76%30.30 inHg

6:00 PM

Overcast

63° 💧 None 💨 5 mph H 80%30.30 inHg

7:00 PM

Mostly cloudy night

63° 💧 None 💨 4 mph H 86%30.30 inHg

8:00 PM

Overcast night

61° 💧 None 💨 3 mph H 91%30.30 inHg

9:00 PM

Partly cloudy night

60° 💧 None 💨 2 mph H 91%30.30 inHg

10:00 PM

Overcast night

61° 💧 None 💨 3 mph H 90%30.30 inHg

11:00 PM

Overcast night

61° 💧 None 💨 2 mph H 90%30.27 inHg

Tomorrow

12:00 AM

Overcast night

62° 💧 None 💨 2 mph H 90%30.27 inHg

1:00 AM

Overcast night

61° 💧 None 💨 2 mph H 91%30.27 inHg

2:00 AM

Overcast night

62° 💧 0.001 in 💨 3 mph H 90%30.27 inHg

3:00 AM

Overcast night

62° 💧 None 💨 3 mph H 90%30.27 inHg

4:00 AM

Overcast night

61° 💧 None 💨 3 mph H 90%30.27 inHg

5:00 AM

Overcast night

61° 💧 None 💨 4 mph H 89%30.30 inHg

6:00 AM

Overcast night

60° 💧 None 💨 4 mph H 87%30.30 inHg

7:00 AM

Overcast

60° 💧 None 💨 4 mph H 86%30.30 inHg

8:00 AM

Overcast

59° 💧 None 💨 3 mph H 85%30.33 inHg

9:00 AM

Overcast

59° 💧 None 💨 3 mph H 84%30.33 inHg

10:00 AM

Overcast

60° 💧 None 💨 2 mph H 83%30.33 inHg

11:00 AM

Overcast

61° 💧 0.001 in 💨 2 mph H 79%30.33 inHg

12:00 PM

Mostly cloudy

63° 💧 None 💨 3 mph H 74%30.30 inHg

1:00 PM

Mostly cloudy

64° 💧 None 💨 2 mph H 70%30.30 inHg

2:00 PM

Partly cloudy

65° 💧 None 💨 4 mph H 64%30.27 inHg

3:00 PM

Overcast

66° 💧 None 💨 5 mph H 59%30.24 inHg

4:00 PM

Overcast

65° 💧 None 💨 6 mph H 59%30.24 inHg

5:00 PM

Mostly cloudy

64° 💧 None 💨 6 mph H 61%30.24 inHg

6:00 PM

Sunny

61° 💧 None 💨 5 mph H 68%30.24 inHg

7:00 PM

Partly cloudy night

58° 💧 None 💨 3 mph H 77%30.24 inHg

8:00 PM

Clear night

57° 💧 None 💨 3 mph H 79%30.24 inHg

9:00 PM

Clear night

57° 💧 None 💨 3 mph H 82%30.24 inHg

10:00 PM

Mostly clear night

57° 💧 None 💨 4 mph H 84%30.24 inHg

11:00 PM

Partly cloudy night

57° 💧 None 💨 4 mph H 86%30.24 inHg

Saturday

12:00 AM

Clear night

57° 💧 None 💨 4 mph H 88%30.24 inHg

1:00 AM

Clear night

56° 💧 None 💨 4 mph H 89%30.21 inHg

2:00 AM

Clear night

55° 💧 None 💨 4 mph H 88%30.21 inHg

3:00 AM

Clear night

54° 💧 None 💨 3 mph H 87%30.21 inHg

4:00 AM

Clear night

54° 💧 None 💨 3 mph H 87%30.21 inHg

5:00 AM

Clear night

53° 💧 None 💨 3 mph H 86%30.21 inHg

6:00 AM

Clear night

53° 💧 None 💨 4 mph H 85%30.21 inHg

7:00 AM

Sunny

53° 💧 None 💨 4 mph H 86%30.21 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 5 mph H 85%30.21 inHg

9:00 AM

Mostly cloudy

60° 💧 None 💨 4 mph H 80%30.24 inHg

10:00 AM

Mostly cloudy

62° 💧 None 💨 5 mph H 71%30.24 inHg

11:00 AM

Partly cloudy

64° 💧 None 💨 5 mph H 68%30.24 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 4 mph H 64%30.21 inHg

1:00 PM

Overcast

66° 💧 None 💨 4 mph H 62%30.18 inHg

2:00 PM

Overcast

65° 💧 None 💨 5 mph H 63%30.18 inHg

3:00 PM

Overcast

65° 💧 None 💨 5 mph H 64%30.15 inHg

4:00 PM

Mostly cloudy

64° 💧 None 💨 6 mph H 64%30.15 inHg

5:00 PM

Mostly cloudy

63° 💧 None 💨 5 mph H 66%30.15 inHg

6:00 PM

Overcast

61° 💧 None 💨 4 mph H 74%30.12 inHg

7:00 PM

Overcast night

59° 💧 None 💨 3 mph H 81%30.12 inHg

Sunday

4:00 AM

Mostly clear night

54° 💧 None 💨 3 mph H 91%30.12 inHg

7:00 AM

Mostly sunny

52° 💧 None 💨 2 mph H 95%30.12 inHg

10:00 AM

Overcast

64° 💧 None 💨 3 mph H 75%30.12 inHg

1:00 PM

Overcast

68° 💧 None 💨 4 mph H 62%30.09 inHg

4:00 PM

Mostly cloudy

68° 💧 None 💨 4 mph H 66%30.03 inHg

7:00 PM

Mostly clear night

61° 💧 None 💨 2 mph H 84%30.06 inHg

10:00 PM

Clear night

57° 💧 None 💨 2 mph H 91%30.06 inHg

Monday

1:00 AM

Clear night

55° 💧 None 💨 3 mph H 94%30.06 inHg

4:00 AM

Mostly clear night

54° 💧 None 💨 4 mph H 94%30.06 inHg

7:00 AM

Partly cloudy

53° 💧 None 💨 4 mph H 91%30.06 inHg

10:00 AM

Sunny

66° 💧 None 💨 1 mph H 78%30.09 inHg

1:00 PM

Partly cloudy

71° 💧 None 💨 3 mph H 57%30.06 inHg

4:00 PM

Mostly cloudy

72° 💧 None 💨 3 mph H 56%30.00 inHg

7:00 PM

Clear night

64° 💧 None 💨 4 mph H 80%30.00 inHg

10:00 PM

Partly cloudy night

60° 💧 None 💨 2 mph H 88%30.00 inHg

Tuesday

1:00 AM

Partly cloudy night

58° 💧 None 💨 3 mph H 88%30.00 inHg

4:00 AM

Clear night

57° 💧 None 💨 3 mph H 86%30.00 inHg

7:00 AM

Mostly sunny

56° 💧 None 💨 4 mph H 91%30.00 inHg

10:00 AM

Partly cloudy

65° 💧 None 💨 4 mph H 78%30.00 inHg

1:00 PM

Overcast

72° 💧 None 💨 6 mph H 59%29.97 inHg

4:00 PM

Overcast

73° 💧 None 💨 6 mph H 58%29.91 inHg

7:00 PM

Overcast night

68° 💧 None 💨 4 mph H 71%29.88 inHg

10:00 PM

Overcast night

67° 💧 None 💨 7 mph H 71%29.83 inHg

Wednesday

1:00 AM

Heavy rain

62° 💧 None 💨 5 mph H 91%29.83 inHg

7:00 AM

Overcast

64° 💧 None 💨 4 mph H 75%29.88 inHg

1:00 PM

Moderate rain

61° 💧 None 💨 3 mph H 94%29.91 inHg

7:00 PM

Light rain

63° 💧 None 💨 5 mph H 94%29.91 inHg

Thursday

1:00 AM

Moderate rain

62° 💧 None 💨 7 mph H 96%29.88 inHg

7:00 AM

Heavy rain

61° 💧 None 💨 2 mph H 99%29.85 inHg

1:00 PM

Light rain

63° 💧 None 💨 2 mph H 98%29.83 inHg

7:00 PM

Moderate rain

71° 💧 None 💨 5 mph H 94%29.85 inHg

Friday

1:00 AM

Light rain

68° 💧 None 💨 4 mph H 99%29.85 inHg

7:00 AM

Overcast

66° 💧 None 💨 6 mph H 98%29.91 inHg

1:00 PM

Light rain

64° 💧 None 💨 6 mph H 97%30.00 inHg

7:00 PM

Overcast night

67° 💧 None 💨 10 mph H 64%30.03 inHg

Saturday

1:00 AM

Overcast night

62° 💧 None 💨 8 mph H 66%30.00 inHg

7:00 AM

Moderate rain

60° 💧 None 💨 9 mph H 88%29.94 inHg

1:00 PM

Light rain

59° 💧 None 💨 11 mph H 95%29.91 inHg

7:00 PM

Overcast night

61° 💧 None 💨 12 mph H 71%29.94 inHg

Sunday

1:00 AM

Overcast night

60° 💧 None 💨 9 mph H 72%29.97 inHg

7:00 AM

Sunny

55° 💧 None 💨 5 mph H 80%30.00 inHg

1:00 PM

Sunny

51° 💧 None 💨 7 mph H 88%30.09 inHg

7:00 PM

Overcast night

66° 💧 None 💨 6 mph H 57%30.12 inHg

Monday

1:00 AM

Clear night

58° 💧 None 💨 3 mph H 80%30.09 inHg

7:00 AM

Sunny

52° 💧 None 💨 2 mph H 86%30.12 inHg

1:00 PM

Sunny

48° 💧 None 💨 3 mph H 94%30.15 inHg

7:00 PM

Clear night

67° 💧 None 💨 3 mph H 64%30.09 inHg

Tuesday

1:00 AM

Clear night

61° 💧 None 💨 3 mph H 81%30.06 inHg

7:00 AM

Sunny

53° 💧 None 💨 3 mph H 91%30.09 inHg

1:00 PM

Sunny

51° 💧 None 💨 4 mph H 93%30.09 inHg

7:00 PM

Clear night

71° 💧 None 💨 4 mph H 65%30.09 inHg

Wednesday

1:00 AM

Partly cloudy night

65° 💧 None 💨 4 mph H 80%30.03 inHg

7:00 AM

Sunny

62° 💧 None 💨 8 mph H 84%30.09 inHg

1:00 PM

Sunny

53° 💧 None 💨 9 mph H 64%30.21 inHg

7:00 PM

Clear night

64° 💧 None 💨 8 mph H 46%30.24 inHg

Thursday

1:00 AM

Clear night

57° 💧 None 💨 5 mph H 68%30.24 inHg

7:00 AM

Sunny

50° 💧 None 💨 3 mph H 82%30.24 inHg

1:00 PM

Sunny

47° 💧 None 💨 4 mph H 87%30.27 inHg

7:00 PM

Clear night

64° 💧 None 💨 6 mph H 52%30.24 inHg

Friday

1:00 AM

Clear night

58° 💧 None 💨 5 mph H 74%30.15 inHg

In Arlington Heights and, more broadly, across the state of Illinois: This morning begins with mostly cloudy skies and mild temperatures ranging from 60 to 69 degrees Fahrenheit. Winds will be coming from the northeast at around 11 mph, with gusts reaching up to 21 mph. As the day progresses into the afternoon, the cloud cover is expected to persist, but no precipitation is anticipated. Temperatures are likely to remain steady within the mild range, providing comfortable conditions for outdoor activities. Winds will continue from the northeast, maintaining a moderate breeze throughout the day. Overall, it will be a relatively calm day with partly cloudy skies and no significant weather disruptions.

15-Day Weather Outlook for Arlington Heights

TomorrowTomorrow

Overcast 66°/57° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Mostly cloudy 66°/53° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 68°/52° 💧 0.001 in 💨 4 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 72°/53° 💧 None 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Overcast 73°/56° 💧 0.005 in 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Heavy rain 64°/61° 💧 0.576 in 💨 5 mph

Thursday, Oct 1Thu Oct 1

Heavy rain 71°/61° 💧 1.609 in 💨 7 mph

Friday, Oct 2Fri Oct 2

Light rain 68°/64° 💧 0.360 in 💨 10 mph

Saturday, Oct 3Sat Oct 3

Moderate rain 62°/59° 💧 1.002 in 💨 12 mph

Sunday, Oct 4Sun Oct 4

Overcast 66°/51° 💧 0.001 in 💨 9 mph

Monday, Oct 5Mon Oct 5

Sunny 67°/48° 💧 None 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Sunny 71°/51° 💧 None 💨 4 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 65°/53° 💧 None 💨 9 mph

Thursday, Oct 8Thu Oct 8

Sunny 64°/47° 💧 None 💨 6 mph

Friday, Oct 9Fri Oct 9

Sunny 58°/58° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Arlington Heights

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Arlington Heights

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 4,2µg/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 5,4µg/m³

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

O₃ Ozone Good 54,1µg/m³

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

NO₂ Nitrogen dioxide Good 8,9µg/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 Arlington Heights

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 5,6Moderate 😊Good

Tomorrow UV 1,3Low 🙂Fair

Saturday UV 4,6Moderate 😐Moderate

Sunday UV 4,8Moderate 😐Moderate

Monday UV 6,0High 🙂Fair

Tuesday UV 5,0Moderate —Unavailable

Wednesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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 Arlington Heights

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ARLINGTON HEIGHTS, ILLINOIS

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

51/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:19 PM–5:09 AM

☁ Cloud cover 52% Real hourly forecast for the best viewing hour.

☾ Moonlight 97% Full Moon · Moon about 31° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant -1° 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 min5%

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 Arlington Heights were last refreshed today at 8:33 AM. The current forecast period extends through 26/09/2026 at 7:00 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.