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Oak Forest, United States Snapshot 2026
Where is Oak Forest?
Oak Forest, United States
- Continent
- Americas
- Country
- United States
- City
- Oak Forest
- Population
- 28.1K
- Elevation
- 205 m
- Coordinates
- 41.60°, -87.74°
Oak Forest is a city in United States with a population of approximately 28.1K. Average temperatures range from -6°C (21°F) in January to 28°C (83°F) in July. The best time to visit is June, July, August, September, October. The city sits at an elevation of 205 m above sea level.
Time in Oak Forest right now
Open full time & time zone page 12:49 49
Monday, June 15, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Oak Forest
Daylight in Oak Forest today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 11m
Climate normals for Oak Forest
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 1°C / -6°C | -4°C / -11°C | 9days (64 mm) Wet | 5.1h Fair | 73% Muggy | 2.1 Moderate | Poor | View Details |
| February | 4°C / -5°C | -1°C / -10°C | 9days (60 mm) Wet | 7h Good | 70% Muggy | 3.4 Moderate | Poor | View Details |
| March | 10°C / 1°C | 6°C / -4°C | 12days (103 mm) Wet | 7.8h Good | 68% Muggy | 4.6 Moderate | Poor | View Details |
| April | 15°C / 5°C | 12°C / 1°C | 14days (114 mm) Wet | 9h Good | 68% Muggy | 5.5 High | Fair | View Details |
| May | 21°C / 11°C | 20°C / 9°C | 14days (129 mm) Wet | 10.4h Excellent | 71% Muggy | 6.7 High | Good | View Details |
| June best | 27°C / 17°C | 28°C / 17°C | 11days (116 mm) Wet | 12h Excellent | 69% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 28°C / 20°C | 31°C / 21°C | 12days (107 mm) Wet | 12h Excellent | 74% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 19°C | 30°C / 20°C | 11days (91 mm) Wet | 11.4h Excellent | 73% Muggy | 6.6 High | Excellent | View Details |
| September best | 25°C / 16°C | 25°C / 16°C | 9days (73 mm) Wet | 9.7h Good | 71% Muggy | 5.3 High | Excellent | View Details |
| October best | 18°C / 10°C | 16°C / 7°C | 10days (110 mm) Wet | 7.6h Good | 69% Muggy | 3.9 Moderate | Good | View Details |
| November | 10°C / 3°C | 6°C / -2°C | 7days (59 mm) Good | 6.2h Fair | 69% Muggy | 2.6 Moderate | Poor | View Details |
| December | 4°C / -3°C | 0°C / -8°C | 8days (59 mm) Wet | 5.2h Fair | 72% Muggy | 1.8 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 1°C / -6°C . Feb: 4°C / -5°C . Mar: 10°C / 1°C . Apr: 15°C / 5°C . May: 21°C / 11°C . Jun: 27°C / 17°C . Jul: 28°C / 20°C . Aug: 27°C / 19°C . Sep: 25°C / 16°C . Oct: 18°C / 10°C . Nov: 10°C / 3°C . Dec: 4°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 64 mm. Feb: 60 mm. Mar: 103 mm. Apr: 114 mm. May: 129 mm. Jun: 116 mm. Jul: 107 mm. Aug: 91 mm. Sep: 73 mm. Oct: 110 mm. Nov: 59 mm. Dec: 59 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 70%. Mar: 68%. Apr: 68%. May: 71%. Jun: 69%. Jul: 74%. Aug: 73%. Sep: 71%. Oct: 69%. Nov: 69%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 22 km/h . Mar: 22 km/h . Apr: 22 km/h . May: 19 km/h . Jun: 18 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 17 km/h . Oct: 20 km/h . Nov: 21 km/h . Dec: 21 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Oak Forest has a population of approximately 28.1K.
The best months to visit Oak Forest are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Oak Forest receives approximately 1085mm of rainfall annually across 126 rainy days.
Oak Forest is located in United States, in the Americas region.
Oak Forest sits at an elevation of 205 m (673 ft) above sea level.