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Current weather in Oak Forest is clear sky.

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

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

Now · 5:15 AM

Oak Forest Weather & Hourly Forecast

United States · Illinois · 60452

77°F

Clear night

Feels like: 78°F

💧 Humidity 87% 🌡 Pressure 29.91 inHg 💨 Wind 8 mph 👁 Visibility 6.2 mi ☁ Clouds 3% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:19 AM 🌇 Sunset 7:21 PM

Hourly Forecast for Oak Forest

Today

6:00 AM

Clear night

77° 💧 None 💨 7 mph H 84%29.91 inHg

9:00 AM

Sunny

81° 💧 None 💨 8 mph H 68%29.94 inHg

12:00 PM

Sunny

91° 💧 None 💨 9 mph H 48%29.94 inHg

3:00 PM

Sunny

95° 💧 None 💨 10 mph H 44%29.88 inHg

6:00 PM

Sunny

91° 💧 None 💨 8 mph H 55%29.88 inHg

9:00 PM

Clear night

84° 💧 None 💨 5 mph H 73%29.88 inHg

Tomorrow

12:00 AM

Clear night

80° 💧 None 💨 6 mph H 74%29.88 inHg

3:00 AM

Mostly cloudy night

78° 💧 None 💨 10 mph H 59%29.85 inHg

6:00 AM

Partly cloudy night

78° 💧 None 💨 10 mph H 61%29.85 inHg

9:00 AM

Sunny

82° 💧 None 💨 7 mph H 52%29.91 inHg

12:00 PM

Sunny

92° 💧 None 💨 10 mph H 45%29.88 inHg

3:00 PM

Partly cloudy

95° 💧 None 💨 11 mph H 44%29.85 inHg

6:00 PM

Mostly sunny

93° 💧 0.01 in 💨 5 mph H 53%29.85 inHg

9:00 PM

Clear night

80° 💧 None 💨 7 mph H 71%29.88 inHg

Saturday

12:00 AM

Mostly clear night

78° 💧 0.24 in 💨 5 mph H 72%29.88 inHg

3:00 AM

Heavy rain

74° 💧 0.29 in 💨 3 mph H 93%29.91 inHg

Today

6:00 AM

Clear night

77° 💧 None 💨 7 mph H 84%29.91 inHg

7:00 AM

Sunny

77° 💧 None 💨 6 mph H 81%29.91 inHg

8:00 AM

Sunny

78° 💧 None 💨 7 mph H 76%29.94 inHg

9:00 AM

Sunny

81° 💧 None 💨 8 mph H 68%29.94 inHg

10:00 AM

Sunny

86° 💧 None 💨 8 mph H 54%29.94 inHg

11:00 AM

Sunny

89° 💧 None 💨 8 mph H 50%29.94 inHg

12:00 PM

Sunny

91° 💧 None 💨 9 mph H 48%29.94 inHg

1:00 PM

Sunny

94° 💧 None 💨 9 mph H 47%29.91 inHg

2:00 PM

Sunny

95° 💧 None 💨 10 mph H 44%29.91 inHg

3:00 PM

Sunny

95° 💧 None 💨 10 mph H 44%29.88 inHg

4:00 PM

Sunny

95° 💧 None 💨 10 mph H 47%29.88 inHg

5:00 PM

Sunny

94° 💧 None 💨 10 mph H 50%29.88 inHg

6:00 PM

Sunny

91° 💧 None 💨 8 mph H 55%29.88 inHg

7:00 PM

Sunny

88° 💧 None 💨 3 mph H 63%29.88 inHg

8:00 PM

Clear night

85° 💧 None 💨 4 mph H 71%29.88 inHg

9:00 PM

Clear night

84° 💧 None 💨 5 mph H 73%29.88 inHg

10:00 PM

Clear night

82° 💧 None 💨 4 mph H 74%29.88 inHg

11:00 PM

Clear night

81° 💧 None 💨 4 mph H 75%29.88 inHg

Tomorrow

12:00 AM

Clear night

80° 💧 None 💨 6 mph H 74%29.88 inHg

1:00 AM

Clear night

79° 💧 None 💨 7 mph H 72%29.85 inHg

2:00 AM

Partly cloudy night

79° 💧 None 💨 7 mph H 68%29.85 inHg

3:00 AM

Mostly cloudy night

78° 💧 None 💨 10 mph H 59%29.85 inHg

4:00 AM

Mostly cloudy night

78° 💧 None 💨 8 mph H 58%29.85 inHg

5:00 AM

Mostly cloudy night

78° 💧 None 💨 11 mph H 54%29.85 inHg

6:00 AM

Partly cloudy night

78° 💧 None 💨 10 mph H 61%29.85 inHg

7:00 AM

Partly cloudy

78° 💧 None 💨 9 mph H 65%29.85 inHg

8:00 AM

Sunny

80° 💧 None 💨 6 mph H 61%29.88 inHg

9:00 AM

Sunny

82° 💧 None 💨 7 mph H 52%29.91 inHg

10:00 AM

Sunny

85° 💧 None 💨 4 mph H 45%29.88 inHg

11:00 AM

Sunny

89° 💧 None 💨 7 mph H 44%29.88 inHg

12:00 PM

Sunny

92° 💧 None 💨 10 mph H 45%29.88 inHg

1:00 PM

Sunny

94° 💧 None 💨 9 mph H 43%29.85 inHg

2:00 PM

Mostly cloudy

95° 💧 None 💨 10 mph H 42%29.85 inHg

3:00 PM

Partly cloudy

95° 💧 None 💨 11 mph H 44%29.85 inHg

4:00 PM

Mostly sunny

95° 💧 None 💨 10 mph H 46%29.85 inHg

5:00 PM

Mostly sunny

95° 💧 None 💨 8 mph H 48%29.85 inHg

6:00 PM

Mostly sunny

93° 💧 None 💨 5 mph H 53%29.85 inHg

7:00 PM

Light rain

89° 💧 0.01 in 💨 3 mph H 62%29.85 inHg

8:00 PM

Light rain

81° 💧 0.01 in 💨 7 mph H 70%29.88 inHg

9:00 PM

Clear night

80° 💧 None 💨 7 mph H 71%29.88 inHg

10:00 PM

Clear night

79° 💧 None 💨 5 mph H 72%29.88 inHg

11:00 PM

Clear night

79° 💧 None 💨 4 mph H 73%29.88 inHg

Saturday

12:00 AM

Mostly clear night

78° 💧 None 💨 5 mph H 72%29.88 inHg

1:00 AM

Partly cloudy night

78° 💧 None 💨 6 mph H 71%29.85 inHg

2:00 AM

Heavy rain

74° 💧 0.24 in 💨 8 mph H 90%29.85 inHg

3:00 AM

Heavy rain

74° 💧 0.28 in 💨 3 mph H 93%29.91 inHg

4:00 AM

Light rain

74° 💧 0.01 in 💨 5 mph H 93%29.88 inHg

5:00 AM

Mostly cloudy night

72° 💧 None 💨 6 mph H 88%29.85 inHg

6:00 AM

Light rain

70° 💧 0.02 in 💨 2 mph H 86%29.88 inHg

7:00 AM

Light rain

71° 💧 0.01 in 💨 3 mph H 86%29.88 inHg

8:00 AM

Sunny

73° 💧 None 💨 5 mph H 84%29.91 inHg

9:00 AM

Light rain

76° 💧 0.00 in 💨 5 mph H 77%29.91 inHg

10:00 AM

Light rain

79° 💧 0.00 in 💨 4 mph H 72%29.91 inHg

11:00 AM

Light rain

82° 💧 0.00 in 💨 5 mph H 67%29.91 inHg

12:00 PM

Sunny

84° 💧 None 💨 4 mph H 61%29.91 inHg

1:00 PM

Sunny

87° 💧 None 💨 4 mph H 58%29.91 inHg

2:00 PM

Sunny

88° 💧 None 💨 5 mph H 55%29.88 inHg

3:00 PM

Sunny

88° 💧 None 💨 7 mph H 55%29.88 inHg

4:00 PM

Sunny

86° 💧 None 💨 9 mph H 57%29.88 inHg

5:00 PM

Sunny

82° 💧 None 💨 10 mph H 64%29.91 inHg

6:00 PM

Sunny

79° 💧 None 💨 10 mph H 70%29.91 inHg

7:00 PM

Sunny

76° 💧 None 💨 9 mph H 76%29.91 inHg

8:00 PM

Clear night

75° 💧 None 💨 8 mph H 77%29.94 inHg

9:00 PM

Clear night

74° 💧 None 💨 8 mph H 78%29.94 inHg

10:00 PM

Clear night

74° 💧 None 💨 7 mph H 82%29.97 inHg

11:00 PM

Clear night

73° 💧 None 💨 5 mph H 84%29.97 inHg

Sunday

12:00 AM

Clear night

73° 💧 None 💨 6 mph H 83%29.97 inHg

1:00 AM

Clear night

73° 💧 None 💨 8 mph H 78%30.00 inHg

2:00 AM

Clear night

72° 💧 None 💨 7 mph H 77%30.00 inHg

3:00 AM

Clear night

71° 💧 None 💨 7 mph H 73%30.00 inHg

4:00 AM

Clear night

69° 💧 None 💨 7 mph H 67%30.00 inHg

5:00 AM

Clear night

68° 💧 None 💨 6 mph H 67%30.03 inHg

6:00 AM

Clear night

67° 💧 None 💨 6 mph H 69%30.03 inHg

7:00 AM

Sunny

67° 💧 None 💨 6 mph H 71%30.06 inHg

8:00 AM

Mostly sunny

69° 💧 None 💨 7 mph H 66%30.06 inHg

9:00 AM

Sunny

72° 💧 None 💨 8 mph H 58%30.09 inHg

10:00 AM

Mostly sunny

75° 💧 None 💨 8 mph H 56%30.09 inHg

11:00 AM

Mostly sunny

76° 💧 None 💨 8 mph H 52%30.09 inHg

12:00 PM

Partly cloudy

78° 💧 None 💨 9 mph H 43%30.09 inHg

1:00 PM

Partly cloudy

79° 💧 None 💨 10 mph H 40%30.06 inHg

2:00 PM

Sunny

79° 💧 None 💨 10 mph H 39%30.06 inHg

3:00 PM

Sunny

79° 💧 None 💨 9 mph H 39%30.06 inHg

4:00 PM

Partly cloudy

78° 💧 None 💨 9 mph H 41%30.06 inHg

5:00 PM

Partly cloudy

77° 💧 None 💨 9 mph H 46%30.06 inHg

6:00 PM

Mostly cloudy

74° 💧 None 💨 9 mph H 51%30.06 inHg

7:00 PM

Mostly cloudy

72° 💧 None 💨 7 mph H 56%30.09 inHg

8:00 PM

Overcast night

70° 💧 None 💨 7 mph H 62%30.09 inHg

9:00 PM

Overcast night

70° 💧 None 💨 6 mph H 68%30.09 inHg

10:00 PM

Overcast night

69° 💧 None 💨 7 mph H 75%30.09 inHg

11:00 PM

Overcast night

69° 💧 None 💨 6 mph H 81%30.06 inHg

Monday

12:00 AM

Overcast night

69° 💧 None 💨 6 mph H 81%30.06 inHg

1:00 AM

Overcast night

68° 💧 None 💨 7 mph H 79%30.06 inHg

2:00 AM

Overcast night

68° 💧 None 💨 7 mph H 72%30.09 inHg

3:00 AM

Overcast night

66° 💧 None 💨 5 mph H 75%30.12 inHg

4:00 AM

Overcast night

65° 💧 None 💨 4 mph H 77%30.15 inHg

In Oak Forest and, more broadly, across the state of Illinois: This evening will feature a mix of sun and clouds with temperatures remaining hot, ranging from 89 to 91 degrees Fahrenheit. Winds will be light, coming from the south at around 8 mph, with occasional gusts reaching up to 23 mph. No precipitation is expected during the next few hours, so the weather will stay dry. The slight breeze may provide some relief from the heat, but residents should still prepare for warm conditions as the night progresses. Humidity levels are expected to remain steady, contributing to the warm and muggy feel in the air. Overall, it will be a warm and partly cloudy evening with minimal wind activity.

15-Day Weather Outlook for Oak Forest

TomorrowTomorrow

Light rain 95°/78° 💧 0.01 in 💨 11 mph

Saturday, Sep 5Sat Sep 5

Heavy rain 88°/70° 💧 0.58 in 💨 10 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 79°/67° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 80°/65° 💧 None 💨 7 mph

Tuesday, Sep 8Tue Sep 8

Overcast 83°/66° 💧 None 💨 12 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 94°/80° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Mostly cloudy 91°/72° 💧 None 💨 11 mph

Friday, Sep 11Fri Sep 11

Light rain 95°/71° 💧 0.00 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Sunny 95°/77° 💧 None 💨 11 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 96°/73° 💧 0.37 in 💨 16 mph

Monday, Sep 14Mon Sep 14

Light rain 78°/63° 💧 0.02 in 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 87°/60° 💧 None 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Light rain 96°/75° 💧 0.02 in 💨 14 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 90°/73° 💧 0.19 in 💨 13 mph

Friday, Sep 18Fri Sep 18

Light rain 70°/61° 💧 0.07 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Oak Forest

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Oak Forest

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

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

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

O₃ Ozone Good 49,3µg/m³

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

NO₂ Nitrogen dioxide Good 3,4µg/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 Oak Forest

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 7,1High 😊Good

Tomorrow UV 7,3High 🙂Fair

Saturday UV 7,3High 🙂Fair

Sunday UV 7,3High 🙂Fair

Monday UV 6,0High 🙂Fair

Tuesday UV 8,0Very high —Unavailable

Wednesday UV 7,0High —Unavailable

Hourly UV index today

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

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.

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 Oak Forest

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.55 Population: 26,805

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Oak Forest were last refreshed today at 4:52 AM. The current forecast period extends through 05/09/2026 at 3:00 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.