Current Conditions
Lemont, Illinois
Feels like84°F29°C
Wind
W 6 mph9 km/h
Humidity
72%
Cloud Cover
85%
As of Wednesday, August 12, 2026 at 4:19 PM CDT
Today's Outlook
Day
Overcast and warm, with a high of 81°F27°C. Light wind from the WSW around 6 mph10 km/h. 45% chance of light rain throughout the day. Heavy, humid air.
Night
Partly cloudy, with a low around 74°F23°C. Light wind from the SSW around 3 mph5 km/h. 37% chance of showers in the evening.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Showers | High 81°F27°CFeels 84°F29°C | Low 74°F23°C | Precip 0.09 in2.3 mm45% | Cloud 64% | Wind WSW 5 mph7 km/h | Wednesday: Overcast and warm, with a high of 81°F27°C. Light wind from the WSW around 6 mph10 km/h. 45% chance of light rain throughout the day. Heavy, humid air. Wednesday Night: Partly cloudy, with a low around 74°F23°C. Light wind from the SSW around 3 mph5 km/h. 37% chance of showers in the evening. | |
| Light Rain | High 78°F25°C | Low 70°F21°C | Precip 0.14 in3.6 mm61% | Cloud 84% | Wind E 4 mph6 km/h | Thursday: Overcast and warm, with a high of 78°F25°C and morning low of 70°F21°C. Light wind from the E around 4 mph7 km/h. 61% chance of light rain in the afternoon. Humid. Thursday Night: Mostly cloudy, with a low around 70°F21°C. Light wind from the E around 4 mph6 km/h. 52% chance of showers in the evening. | |
| Light Rain | High 79°F26°C | Low 71°F21°C | Precip 0.38 in9.7 mm57% | Cloud 93% | Wind E 5 mph9 km/h | Friday: Overcast and warm, with a high of 79°F26°C and morning low of 71°F21°C. Breezy from the ESE at 6 to 7 mph9 to 11 km/h. 57% chance of light rain throughout the day. Humid. Friday Night: Overcast, with a low around 71°F21°C. Light wind from the E around 5 mph8 km/h. 47% chance of light rain throughout the night. | |
| Rain | High 82°F28°CFeels 89°F31°C | Low 73°F23°C | Precip 0.51 in13 mm68% | Cloud 90% | Wind SSE 6 mph9 km/h | Saturday: Overcast and warm, with a high of 82°F28°C and morning low of 73°F23°C — feels like 88°F31°C. Breezy from the S at 6 to 7 mph10 to 11 km/h. 68% chance of rain throughout the day. Heavy, humid air. Saturday Night: Overcast, with a low around 73°F23°C. Light wind from the SE around 5 mph8 km/h. 47% chance of rain throughout the night. | |
| Light Rain | High 85°F29°CFeels 91°F33°C | Low 75°F24°C | Precip 0.23 in5.8 mm41% | Cloud 80% | Wind W 7 mph10 km/h | Sunday: Overcast and warm, with a high of 85°F29°C and morning low of 75°F24°C — feels like 91°F33°C. Breezy from the W at 7 to 8 mph11 to 12 km/h. 31% chance of light rain throughout the day. Heavy, humid air. Sunday Night: Mostly cloudy, with a low around 75°F24°C. Light wind from the W around 6 mph10 km/h. 41% chance of light rain throughout the night. | |
| Showers | High 79°F26°C | Low 69°F21°C | Precip 0.07 in1.7 mm20% | Cloud 69% | Wind NNE 6 mph10 km/h | Monday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 70°F21°C. Breezy from the NNE at 7 mph11 km/h. 16% chance of drizzle throughout the day. Humid. Monday Night: Mostly cloudy, with a low around 69°F21°C. Breezy from the NNE at 5 to 7 mph9 to 11 km/h. 20% chance of showers overnight. | |
| Partly Cloudy | High 84°F29°C | Low 64°F18°C | Precip 0.01 in0.2 mm4% | Cloud 50% | Wind SSW 4 mph7 km/h | Tuesday: Mostly cloudy and warm, with a high of 84°F29°C and morning low of 65°F18°C. Light wind from the SW around 4 mph7 km/h. Tuesday Night: Partly cloudy, with a low around 64°F18°C. Light wind from the S around 4 mph7 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdayAug 12 | 81°F27°C Feels 84°F29°C | 74°F23°C | 0.09 in2.3 mm· 45% | 64% | Showers | WSW 5 mph7 km/h | |
DayOvercast and warm, with a high of 81°F27°C. Light wind from the WSW around 6 mph10 km/h. 45% chance of light rain throughout the day. Heavy, humid air. NightPartly cloudy, with a low around 74°F23°C. Light wind from the SSW around 3 mph5 km/h. 37% chance of showers in the evening. | |||||||
| ThursdayAug 13 | 78°F25°C | 70°F21°C | 0.14 in3.6 mm· 61% | 84% | Light Rain | E 4 mph6 km/h | |
DayOvercast and warm, with a high of 78°F25°C and morning low of 70°F21°C. Light wind from the E around 4 mph7 km/h. 61% chance of light rain in the afternoon. Humid. NightMostly cloudy, with a low around 70°F21°C. Light wind from the E around 4 mph6 km/h. 52% chance of showers in the evening. | |||||||
| FridayAug 14 | 79°F26°C | 71°F21°C | 0.38 in9.7 mm· 57% | 93% | Light Rain | E 5 mph9 km/h | |
DayOvercast and warm, with a high of 79°F26°C and morning low of 71°F21°C. Breezy from the ESE at 6 to 7 mph9 to 11 km/h. 57% chance of light rain throughout the day. Humid. NightOvercast, with a low around 71°F21°C. Light wind from the E around 5 mph8 km/h. 47% chance of light rain throughout the night. | |||||||
| SaturdayAug 15 | 82°F28°C Feels 89°F31°C | 73°F23°C | 0.51 in13 mm· 68% | 90% | Rain | SSE 6 mph9 km/h | |
DayOvercast and warm, with a high of 82°F28°C and morning low of 73°F23°C — feels like 88°F31°C. Breezy from the S at 6 to 7 mph10 to 11 km/h. 68% chance of rain throughout the day. Heavy, humid air. NightOvercast, with a low around 73°F23°C. Light wind from the SE around 5 mph8 km/h. 47% chance of rain throughout the night. | |||||||
| SundayAug 16 | 85°F29°C Feels 91°F33°C | 75°F24°C | 0.23 in5.8 mm· 41% | 80% | Light Rain | W 7 mph10 km/h | |
DayOvercast and warm, with a high of 85°F29°C and morning low of 75°F24°C — feels like 91°F33°C. Breezy from the W at 7 to 8 mph11 to 12 km/h. 31% chance of light rain throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 75°F24°C. Light wind from the W around 6 mph10 km/h. 41% chance of light rain throughout the night. | |||||||
| MondayAug 17 | 79°F26°C | 69°F21°C | 0.07 in1.7 mm· 20% | 69% | Showers | NNE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 70°F21°C. Breezy from the NNE at 7 mph11 km/h. 16% chance of drizzle throughout the day. Humid. NightMostly cloudy, with a low around 69°F21°C. Breezy from the NNE at 5 to 7 mph9 to 11 km/h. 20% chance of showers overnight. | |||||||
| TuesdayAug 18 | 84°F29°C | 64°F18°C | 0.01 in0.2 mm· 4% | 50% | Partly Cloudy | SSW 4 mph7 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 65°F18°C. Light wind from the SW around 4 mph7 km/h. NightPartly cloudy, with a low around 64°F18°C. Light wind from the S around 4 mph7 km/h. | |||||||
| WednesdayAug 19 | 86°F30°C Feels 90°F32°C | 70°F21°C | 0.1 in2.6 mm· 20% | 68% | Showers | SSW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 70°F21°C. Breezy from the SSW at 8 to 9 mph13 to 15 km/h. 20% chance of drizzle throughout the day. Humid. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SSW at 7 mph11 km/h. 19% chance of showers throughout the night. | |||||||
| ThursdayAug 20 | 83°F28°C | 71°F21°C | 0.09 in2.3 mm· 15% | 53% | Showers | W 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 71°F21°C. Breezy from the W at 8 to 9 mph13 to 14 km/h. 15% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 71°F22°C. Breezy from the WSW at 7 mph11 km/h. 13% chance of showers throughout the night. | |||||||
| FridayAug 21 | 83°F28°C | 68°F20°C | 0.04 in1 mm· 11% | 39% | Drizzle | W 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 83°F28°C and morning low of 68°F20°C. Breezy from the W at 7 mph11 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Light wind from the W around 6 mph9 km/h. | |||||||
| SaturdayAug 22 | 83°F28°C | 67°F19°C | 0.05 in1.2 mm· 10% | 40% | Drizzle | SSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 83°F28°C and morning low of 67°F19°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. 10% chance of drizzle in the morning. NightPartly cloudy, with a low around 67°F20°C. Light wind from the S around 6 mph9 km/h. 10% chance of drizzle before dawn. | |||||||
| SundayAug 23 | 82°F28°C | 67°F19°C | 0.06 in1.5 mm· 13% | 42% | Drizzle | W 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 67°F19°C. Breezy from the W at 7 to 8 mph11 to 12 km/h. 13% chance of drizzle throughout the day. NightPartly cloudy, with a low around 67°F20°C. Light wind from the S around 6 mph10 km/h. 11% chance of drizzle throughout the night. | |||||||
| MondayAug 24 | 82°F28°C | 66°F19°C | 0.05 in1.3 mm· 11% | 44% | Drizzle | NNW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 66°F19°C. Breezy from the NW at 7 to 8 mph11 to 12 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 67°F19°C. Light wind from the NNE around 6 mph10 km/h. | |||||||
| TuesdayAug 25 | 82°F28°C | 65°F18°C | 0.05 in1.3 mm· 9% | 38% | Clear | NNW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 65°F18°C. Breezy from the WNW at 7 to 8 mph11 to 12 km/h. NightPartly cloudy, with a low around 65°F19°C. Light wind from the NE around 6 mph9 km/h. | |||||||
| WednesdayAug 26 | 81°F27°C | 65°F18°C | 0.05 in1.2 mm· 12% | 43% | Drizzle | SSE 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 65°F18°C. Breezy from the W at 6 to 7 mph10 to 11 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 65°F18°C. Light wind from the ESE around 6 mph9 km/h. 10% chance of drizzle throughout the night. | |||||||
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Coordinates: 41.6736°N, 88.0017°W·Elevation: 185m·Timezone: America/Chicago·Population: 16,788