What is the weather in Arlington Heights right now?

Current weather in Arlington Heights is light rain.

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 · 3:57 PM

Arlington Heights Weather & Hourly Forecast

United States · Pennsylvania · 18360

69°F

Light rain

Feels like: 70°F

💧 Humidity 92% 🌡 Pressure 30.06 inHg 💨 Wind 3 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 1.5 · Low 🌅 Sunrise 6:28 AM 🌇 Sunset 7:32 PM

Hourly Forecast for Arlington Heights

Today

4:00 PM

Light rain

69° 💧 0.01 in 💨 3 mph H 92%30.06 inHg

7:00 PM

Overcast

69° 💧 None 💨 3 mph H 95%30.06 inHg

10:00 PM

Overcast night

69° 💧 0.05 in 💨 3 mph H 99%30.06 inHg

Tomorrow

1:00 AM

Moderate rain

68° 💧 0.38 in 💨 5 mph H 100%30.06 inHg

4:00 AM

Overcast night

68° 💧 None 💨 4 mph H 100%30.00 inHg

7:00 AM

Light rain

69° 💧 0.04 in 💨 5 mph H 99%29.97 inHg

10:00 AM

Overcast

70° 💧 None 💨 4 mph H 98%29.97 inHg

1:00 PM

Overcast

74° 💧 None 💨 5 mph H 68%29.94 inHg

4:00 PM

Mostly cloudy

85° 💧 0.01 in 💨 9 mph H 58%29.91 inHg

7:00 PM

Light rain

77° 💧 0.02 in 💨 4 mph H 91%29.91 inHg

10:00 PM

Overcast night

73° 💧 None 💨 4 mph H 95%29.94 inHg

Friday

1:00 AM

Overcast night

71° 💧 None 💨 4 mph H 92%29.91 inHg

4:00 AM

Light rain

70° 💧 0.08 in 💨 2 mph H 93%29.91 inHg

7:00 AM

Light rain

69° 💧 0.01 in 💨 2 mph H 97%29.88 inHg

10:00 AM

Mostly cloudy

78° 💧 None 💨 5 mph H 77%29.88 inHg

1:00 PM

Light rain

76° 💧 0.11 in 💨 9 mph H 88%29.88 inHg

Today

4:00 PM

Light rain

69° 💧 0.01 in 💨 3 mph H 92%30.06 inHg

5:00 PM

Overcast

70° 💧 None 💨 4 mph H 93%30.06 inHg

6:00 PM

Overcast

70° 💧 None 💨 4 mph H 94%30.06 inHg

7:00 PM

Overcast

69° 💧 None 💨 3 mph H 95%30.06 inHg

8:00 PM

Overcast night

68° 💧 None 💨 3 mph H 97%30.06 inHg

9:00 PM

Overcast night

68° 💧 None 💨 3 mph H 99%30.06 inHg

10:00 PM

Overcast night

69° 💧 None 💨 3 mph H 99%30.06 inHg

11:00 PM

Light rain

69° 💧 0.01 in 💨 3 mph H 99%30.06 inHg

Tomorrow

12:00 AM

Moderate rain

68° 💧 0.04 in 💨 3 mph H 99%30.06 inHg

1:00 AM

Moderate rain

68° 💧 0.10 in 💨 5 mph H 100%30.06 inHg

2:00 AM

Heavy rain

67° 💧 0.28 in 💨 5 mph H 100%30.00 inHg

3:00 AM

Light rain

68° 💧 0.01 in 💨 5 mph H 99%30.00 inHg

4:00 AM

Overcast night

68° 💧 None 💨 4 mph H 100%30.00 inHg

5:00 AM

Overcast night

68° 💧 None 💨 4 mph H 100%29.97 inHg

6:00 AM

Overcast night

68° 💧 None 💨 5 mph H 99%29.97 inHg

7:00 AM

Light rain

69° 💧 0.02 in 💨 5 mph H 99%29.97 inHg

8:00 AM

Light rain

70° 💧 0.01 in 💨 4 mph H 99%29.97 inHg

9:00 AM

Light rain

70° 💧 0.01 in 💨 3 mph H 99%29.97 inHg

10:00 AM

Overcast

70° 💧 None 💨 4 mph H 98%29.97 inHg

11:00 AM

Overcast

70° 💧 None 💨 4 mph H 91%29.97 inHg

12:00 PM

Overcast

71° 💧 None 💨 5 mph H 81%29.97 inHg

1:00 PM

Overcast

74° 💧 None 💨 5 mph H 68%29.94 inHg

2:00 PM

Overcast

76° 💧 None 💨 8 mph H 57%29.91 inHg

3:00 PM

Mostly sunny

81° 💧 None 💨 9 mph H 55%29.91 inHg

4:00 PM

Mostly cloudy

85° 💧 None 💨 9 mph H 58%29.91 inHg

5:00 PM

Mostly cloudy

84° 💧 None 💨 6 mph H 68%29.88 inHg

6:00 PM

Light rain

81° 💧 0.01 in 💨 4 mph H 82%29.88 inHg

7:00 PM

Light rain

77° 💧 0.02 in 💨 4 mph H 91%29.91 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 5 mph H 94%29.91 inHg

9:00 PM

Overcast night

73° 💧 None 💨 4 mph H 96%29.94 inHg

10:00 PM

Overcast night

73° 💧 None 💨 4 mph H 95%29.94 inHg

11:00 PM

Overcast night

73° 💧 None 💨 5 mph H 94%29.94 inHg

Friday

12:00 AM

Overcast night

72° 💧 None 💨 4 mph H 94%29.91 inHg

1:00 AM

Overcast night

71° 💧 None 💨 4 mph H 92%29.91 inHg

2:00 AM

Overcast night

70° 💧 None 💨 5 mph H 92%29.91 inHg

3:00 AM

Mostly cloudy night

70° 💧 None 💨 4 mph H 92%29.91 inHg

4:00 AM

Light rain

70° 💧 0.01 in 💨 2 mph H 93%29.91 inHg

5:00 AM

Light rain

70° 💧 0.03 in 💨 3 mph H 96%29.88 inHg

6:00 AM

Moderate rain

69° 💧 0.04 in 💨 2 mph H 97%29.88 inHg

7:00 AM

Light rain

69° 💧 0.01 in 💨 2 mph H 97%29.88 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 2 mph H 95%29.91 inHg

9:00 AM

Overcast

73° 💧 None 💨 2 mph H 90%29.91 inHg

10:00 AM

Mostly cloudy

78° 💧 None 💨 5 mph H 77%29.88 inHg

11:00 AM

Mostly cloudy

82° 💧 None 💨 6 mph H 63%29.88 inHg

12:00 PM

Mostly cloudy

84° 💧 None 💨 8 mph H 59%29.88 inHg

1:00 PM

Light rain

76° 💧 0.04 in 💨 9 mph H 88%29.88 inHg

2:00 PM

Light rain

73° 💧 0.03 in 💨 3 mph H 96%29.88 inHg

3:00 PM

Moderate rain

73° 💧 0.04 in 💨 5 mph H 95%29.88 inHg

4:00 PM

Light rain

71° 💧 0.01 in 💨 3 mph H 96%29.85 inHg

5:00 PM

Overcast

73° 💧 None 💨 5 mph H 91%29.85 inHg

6:00 PM

Light rain

75° 💧 0.01 in 💨 6 mph H 87%29.85 inHg

7:00 PM

Light rain

73° 💧 0.01 in 💨 6 mph H 87%29.85 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 4 mph H 90%29.85 inHg

9:00 PM

Clear night

67° 💧 None 💨 4 mph H 89%29.88 inHg

10:00 PM

Clear night

65° 💧 None 💨 3 mph H 89%29.88 inHg

11:00 PM

Clear night

63° 💧 None 💨 3 mph H 91%29.88 inHg

Saturday

12:00 AM

Mostly clear night

62° 💧 None 💨 3 mph H 90%29.88 inHg

1:00 AM

Mostly clear night

61° 💧 None 💨 3 mph H 89%29.91 inHg

2:00 AM

Mostly clear night

60° 💧 None 💨 3 mph H 90%29.88 inHg

3:00 AM

Clear night

60° 💧 None 💨 4 mph H 90%29.88 inHg

4:00 AM

Clear night

59° 💧 None 💨 4 mph H 91%29.88 inHg

5:00 AM

Clear night

59° 💧 None 💨 3 mph H 92%29.88 inHg

6:00 AM

Clear night

59° 💧 None 💨 4 mph H 93%29.88 inHg

7:00 AM

Sunny

59° 💧 None 💨 3 mph H 94%29.88 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 3 mph H 88%29.88 inHg

9:00 AM

Overcast

68° 💧 None 💨 4 mph H 77%29.88 inHg

10:00 AM

Mostly cloudy

73° 💧 None 💨 7 mph H 60%29.88 inHg

11:00 AM

Partly cloudy

76° 💧 None 💨 8 mph H 51%29.88 inHg

12:00 PM

Partly cloudy

77° 💧 None 💨 9 mph H 45%29.88 inHg

1:00 PM

Partly cloudy

79° 💧 None 💨 9 mph H 40%29.85 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 9 mph H 39%29.85 inHg

3:00 PM

Sunny

80° 💧 None 💨 9 mph H 39%29.83 inHg

4:00 PM

Sunny

79° 💧 None 💨 9 mph H 40%29.83 inHg

5:00 PM

Sunny

78° 💧 None 💨 7 mph H 46%29.83 inHg

6:00 PM

Sunny

75° 💧 None 💨 6 mph H 56%29.85 inHg

7:00 PM

Sunny

69° 💧 None 💨 6 mph H 68%29.85 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 5 mph H 69%29.88 inHg

9:00 PM

Clear night

62° 💧 None 💨 4 mph H 80%29.91 inHg

10:00 PM

Clear night

60° 💧 None 💨 4 mph H 85%29.94 inHg

11:00 PM

Clear night

59° 💧 None 💨 4 mph H 88%29.94 inHg

Sunday

12:00 AM

Clear night

58° 💧 None 💨 4 mph H 90%29.94 inHg

1:00 AM

Clear night

57° 💧 None 💨 3 mph H 92%29.94 inHg

2:00 AM

Clear night

57° 💧 None 💨 3 mph H 94%29.94 inHg

3:00 AM

Clear night

56° 💧 None 💨 3 mph H 95%29.94 inHg

4:00 AM

Clear night

56° 💧 None 💨 4 mph H 97%29.94 inHg

5:00 AM

Clear night

55° 💧 None 💨 3 mph H 97%29.97 inHg

6:00 AM

Clear night

55° 💧 None 💨 4 mph H 98%29.97 inHg

7:00 AM

Sunny

55° 💧 None 💨 4 mph H 97%30.00 inHg

8:00 AM

Sunny

59° 💧 None 💨 4 mph H 86%30.03 inHg

9:00 AM

Mostly sunny

63° 💧 None 💨 5 mph H 78%30.03 inHg

10:00 AM

Partly cloudy

66° 💧 None 💨 6 mph H 73%30.03 inHg

11:00 AM

Partly cloudy

68° 💧 None 💨 5 mph H 67%30.03 inHg

12:00 PM

Mostly cloudy

69° 💧 None 💨 4 mph H 63%30.03 inHg

1:00 PM

Mostly cloudy

70° 💧 None 💨 5 mph H 60%30.00 inHg

2:00 PM

Light rain

69° 💧 0.01 in 💨 7 mph H 68%30.03 inHg

3:00 PM

Light rain

69° 💧 0.01 in 💨 6 mph H 71%30.03 inHg

In Arlington Heights and, more broadly, across the state of Pennsylvania: As the afternoon winds down, expect mostly cloudy skies with mild to warm temperatures ranging from 73 to 75 degrees. Light southeast winds will generally be gentle, around 3 mph, with occasional gusts reaching 7 mph. There is a high likelihood of rain, with the potential for about 0.13 inches of accumulation, so some light showers may continue into the evening. Temperatures are expected to remain steady during the transition from late afternoon to evening, providing a relatively mild night ahead. It’s a good idea to keep an umbrella handy if planning to be outdoors tonight, as rain could persist at times. Overall, the evening will be characterized by overcast conditions with intermittent rain showers and gentle breezes.

15-Day Weather Outlook for Arlington Heights

TomorrowTomorrow

Heavy rain 85°/67° 💧 0.50 in 💨 9 mph

Friday, Sep 4Fri Sep 4

Moderate rain 84°/63° 💧 0.22 in 💨 9 mph

Saturday, Sep 5Sat Sep 5

Partly cloudy 80°/59° 💧 None 💨 9 mph

Sunday, Sep 6Sun Sep 6

Light rain 70°/55° 💧 0.04 in 💨 7 mph

Monday, Sep 7Mon Sep 7

Sunny 78°/52° 💧 None 💨 6 mph

Tuesday, Sep 8Tue Sep 8

Light rain 75°/56° 💧 0.04 in 💨 10 mph

Wednesday, Sep 9Wed Sep 9

Moderate rain 79°/67° 💧 0.61 in 💨 5 mph

Thursday, Sep 10Thu Sep 10

Light rain 85°/68° 💧 0.22 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 71°/59° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Overcast 75°/52° 💧 None 💨 4 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 78°/58° 💧 None 💨 9 mph

Monday, Sep 14Mon Sep 14

Moderate rain 84°/61° 💧 0.27 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 81°/68° 💧 0.53 in 💨 4 mph

Wednesday, Sep 16Wed Sep 16

Sunny 83°/58° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 76°/55° 💧 None 💨 8 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

Fair

Nearest forecast value 4:00 PM

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

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

O₃ Ozone Fair 79,4µg/m³

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

NO₂ Nitrogen dioxide Good 6,7µg/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 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 2,4Low 🙂Fair

Tomorrow UV 5,6Moderate 😐Moderate

Friday UV 7,0High 🙂Fair

Saturday UV 6,9High 🙂Fair

Sunday UV 6,0High 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

4:00 PMUV 1,3 5:00 PMUV 0,7 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.

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 Arlington Heights

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.92 Population: 6,847

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Forecast data for Arlington Heights were last refreshed today at 3:57 PM. The current forecast period extends through 04/09/2026 at 1:00 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.