Current Conditions

Lemont, Illinois

63°F17°C
Partly Cloudy

Wind

SE 4 mph6 km/h

Humidity

73%

Cloud Cover

93%

As of Friday, July 24, 2026 at 2:13 AM CDT

Today's Outlook

Day

Mostly cloudy and warm, with a high of 79°F26°C and morning low of 63°F17°C. Light wind from the S around 5 mph7 km/h.

Night

Mostly cloudy, with a low around 61°F16°C. Light wind from the S around 4 mph7 km/h.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
FridayJul 24Partly CloudyHigh 79°F26°CLow 61°F16°CPrecip 0.01 in0.2 mm9%Cloud 65%Wind S 4 mph7 km/hFriday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 63°F17°C. Light wind from the S around 5 mph7 km/h. Friday Night: Mostly cloudy, with a low around 61°F16°C. Light wind from the S around 4 mph7 km/h.
SaturdayJul 25DrizzleHigh 82°F28°CFeels 85°F29°CLow 63°F17°CPrecip 0.01 in0.2 mm10%Cloud 60%Wind SSW 6 mph10 km/hSaturday: Overcast and warm, with a high of 82°F28°C and morning low of 66°F19°C. Breezy from the SSW at 7 to 8 mph11 to 13 km/h. 10% chance of drizzle. Saturday Night: Partly cloudy, with a low around 63°F17°C. Light wind from the SSW around 5 mph8 km/h.
SundayJul 26ShowersHigh 91°F33°CFeels 99°F37°CLow 72°F22°CPrecip 0.06 in1.6 mm19%Cloud 68%Wind SW 6 mph10 km/hSunday: Mostly cloudy and hot, with a high of 91°F33°C and morning low of 73°F23°C — feels like 99°F37°C. Breezy from the SW at 6 to 8 mph10 to 13 km/h. Heat risk in the afternoon. Sunday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the SW at 6 to 7 mph9 to 11 km/h. 19% chance of showers in the evening.
MondayJul 27RainHigh 91°F33°CFeels 99°F37°CLow 75°F24°CPrecip 0.34 in8.7 mm33%Cloud 48%Wind SW 6 mph10 km/hMonday: Partly cloudy and hot, with a high of 91°F33°C and morning low of 75°F24°C — feels like 99°F37°C. Breezy from the SW at 7 mph10 km/h. 33% chance of showers throughout the day. Heat risk in the afternoon. Monday Night: Mostly cloudy, with a low around 76°F24°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. 33% chance of rain throughout the night.
TuesdayJul 28DrizzleHigh 86°F30°CFeels 89°F32°CLow 74°F23°CPrecip 0.06 in1.4 mm16%Cloud 31%Wind NNE 7 mph12 km/hTuesday: Partly cloudy and hot, with a high of 86°F30°C and morning low of 74°F24°C. Breezy from the NNE at 8 to 10 mph13 to 16 km/h. 10% chance of drizzle throughout the day. Humid. Tuesday Night: Partly cloudy, with a low around 74°F23°C. Breezy from the NNE at 7 to 8 mph11 to 12 km/h. 16% chance of drizzle throughout the night.
WednesdayJul 29ClearHigh 86°F30°CLow 69°F20°CPrecip 0.02 in0.6 mm8%Cloud 19%Wind NNE 6 mph10 km/hWednesday: Mostly clear and hot, with a high of 86°F30°C and morning low of 70°F21°C. Breezy from the NNE at 6 to 7 mph10 to 11 km/h. Wednesday Night: Mostly clear, with a low around 69°F20°C. Light wind from the NNE around 6 mph9 km/h.
ThursdayJul 30ClearHigh 89°F32°CLow 68°F20°CPrecip 0.03 in0.7 mm9%Cloud 30%Wind S 5 mph8 km/hThursday: Partly cloudy and hot, with a high of 89°F32°C and morning low of 70°F21°C. Light wind from the SW around 5 mph9 km/h. Thursday Night: Partly cloudy, with a low around 68°F20°C. Light wind from the SE around 5 mph8 km/h.

15-Day Forecast

Day High (°F) Low (°F) Precip (mm) Cloud Cover (%) Condition Wind (mph)

Nearby Cities

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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PatternExampleDescription
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/weather/{country}/{region}/{city}//weather/united-states/california/san-francisco/With region — redirects to canonical
/weather/nearby?lat={lat}&lon={lon}/weather/nearby?lat=48.1&lon=11.5Find nearest city by coordinates
/weather/{country}//weather/germany/Country index — all cities by region

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Coordinates: 41.6736°N, 88.0017°W·Elevation: 185m·Timezone: America/Chicago·Population: 16,788