National Weather Service forecast

Lemont, Illinois Weather

60°Overnight: Rain Showers
Wind S 15 mph
7-DayHourlyRadar

Lemont 7-Day Forecast

  1. Overnight
    60°F
    Rain Showers
    82% chance of precipitation

    Rain showers. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    64°F
    Chance Rain Showers then Mostly Cloudy
    32% chance of precipitation

    A chance of rain showers before noon. Mostly cloudy. High near 64, with temperatures falling to around 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    48°F
    Mostly Cloudy
    11% chance of precipitation

    Mostly cloudy, with a low around 48. Southwest wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    56°F
    Mostly Cloudy then Chance Rain Showers
    40% chance of precipitation

    A chance of rain showers after noon. Mostly cloudy, with a high near 56. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

  5. Thursday Night
    42°F
    Chance Rain Showers
    50% chance of precipitation

    A chance of rain showers. Cloudy, with a low around 42. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

  6. Friday
    50°F
    Slight Chance Rain Showers then Mostly Cloudy
    15% chance of precipitation

    A slight chance of rain showers before noon. Mostly cloudy, with a high near 50. Chance of precipitation is 20%.

  7. Friday Night
    36°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 36.

  8. Saturday
    51°F
    Sunny

    Sunny, with a high near 51.

  9. Saturday Night
    35°F
    Mostly Clear

    Mostly clear, with a low around 35.

  10. Sunday
    55°F
    Sunny
    5% chance of precipitation

    Sunny, with a high near 55.

  11. Sunday Night
    36°F
    Mostly Clear
    2% chance of precipitation

    Mostly clear, with a low around 36.

  12. Monday
    60°F
    Sunny

    Sunny, with a high near 60.

  13. Monday Night
    40°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 40.

  14. Tuesday
    62°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 62.

Issued by the National Weather Service (LOT office), updated .

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About Lemont

Population (2020 Census)
17,629
Coordinates
41.667, -87.984
Elevation
699 ft
NWS forecast office
LOT
Time zone
America/Chicago
Sunrise today
6:27 AM CST
Sunset today
4:43 PM CST
Daylight today
10 h 16 min

Lemont Weather Questions

What is the weather forecast for Lemont, Illinois?

Overnight: Rain showers. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: A chance of rain showers before noon. Mostly cloudy. High near 64, with temperatures falling to around 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Lemont this week?

The best chance of precipitation is Overnight at 82%. Periods with a 30% chance or more: Overnight (82%), Wednesday (32%), Thursday (40%), Thursday Night (50%).

How warm and how cold will it get in Lemont this week?

The warmest day is Wednesday, with a high near 64°F. The coldest night is Saturday Night, with a low near 35°F.

What time are sunrise and sunset in Lemont today?

Sunrise is at 6:27 AM CST and sunset is at 4:43 PM CST, for 10 h 16 min of daylight.

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