Deer Park, IL Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Deer Park, IL Weather Forecast

Current Conditions

Settings
Deer Park IL weather  - Mostly Clear - 48°F
Mostly Clear
48°F
Updated 5:23 am
Feels Like 55°F
Humidity 100%
Wind N 0 mph
Barometer  30.24 in
Dew Point 48°F
Deer Park IL weather  - Mostly Clear - 9°C
Mostly Clear
9°C
Updated 5:23 am
Feels Like 13°C
Humidity 100%
Wind N 0 km/h
Barometer  102.4 kPa
Dew Point 9°C

Deer Park Weather Forecast

REST OF TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Deer Park, IL Weather - Rest Of Tonight Patchy Fog Deer Park, IL Weather - Saturday Patchy Fog Deer Park, IL Weather - Saturday Night Mostly Cloudy Deer Park, IL Weather - Sunday Mostly Cloudy Deer Park, IL Weather - Sunday Night Partly Cloudy Deer Park, IL Weather - Monday Mostly Sunny Deer Park, IL Weather - Monday Night Mostly Clear Deer Park, IL Weather - Tuesday Partly Cloudy Deer Park, IL Weather - Tuesday Night Showers Likely Deer Park, IL Weather - Wednesday Showers Deer Park, IL Weather - Wednesday Night Showers Likely Deer Park, IL Weather - Thursday Showers Likely
Patchy Fog Patchy Fog Mostly Cloudy Mostly Cloudy Partly Cloudy Mostly Sunny Mostly Clear Partly Cloudy Showers Likely Showers Showers Likely Showers Likely
Lo: 50°FLo: 10°C Hi: 65°FHi: 18°C
Lo: 50°FLo: 10°C Hi: 69°FHi: 21°C
Lo: 50°FLo: 10°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
Lo: 59°FLo: 15°C Hi: 69°FHi: 21°C
Lo: 60°FLo: 16°C Hi: 69°FHi: 21°C
POP: 60% POP: 60% POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 121 AM CDT Sat Sep 26 2026 Deer Park, IL Weather - WeatherWorld.com

Trending Headlines

Deer Park Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Deer Park Quick Facts

National Two Day Weather Forecast


E-mail the Deer Park Weather Forecast

Voice your opinion or tell us about page issues...

Deer Park Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 157 AM CDT Sat Sep 26 2026

Key Messages

  • Seasonable temperatures for late September are expected over the next several days.
  • The next chances for widespread rainfall are forecasted to come mid to late next week.

Discussion

... Issued at 157 AM CDT Sat Sep 26 2026

A Rex block comprised of expansive ridging/high pressure over the Great Lakes, eastern Ontario, and southwestern Quebec and a deep coastal low/nor`easter just off the Mid-Atlantic coast will lead to tranquil conditions here locally over the weekend and into early next...