National Weather Service forecast

Oswego, Illinois Weather

59°Overnight: Rain Showers
Wind S 15 mph
7-DayHourlyRadar

Oswego 7-Day Forecast

  1. Overnight
    59°F
    Rain Showers
    85% chance of precipitation

    Rain showers. Cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    63°F
    Slight Chance Rain Showers then Mostly Cloudy
    23% chance of precipitation

    A slight chance of rain showers before noon. Mostly cloudy. High near 63, with temperatures falling to around 55 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    46°F
    Cloudy
    11% chance of precipitation

    Cloudy. Low around 46, with temperatures rising to around 48 overnight. Southwest wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    56°F
    Cloudy then Chance Rain Showers
    41% chance of precipitation

    A chance of rain showers after noon. 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
    41°F
    Chance Rain Showers
    46% chance of precipitation

    A chance of rain showers. Cloudy, with a low around 41. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

  6. Friday
    51°F
    Partly Sunny
    13% chance of precipitation

    Partly sunny, with a high near 51.

  7. Friday Night
    33°F
    Partly Cloudy

    Partly cloudy, with a low around 33.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    33°F
    Mostly Clear

    Mostly clear, with a low around 33.

  10. Sunday
    56°F
    Sunny
    5% chance of precipitation

    Sunny, with a high near 56.

  11. Sunday Night
    34°F
    Mostly Clear

    Mostly clear, with a low around 34.

  12. Monday
    60°F
    Sunny

    Sunny, with a high near 60.

  13. Monday Night
    38°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 38.

  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 Oswego

Population (2020 Census)
34,585
Coordinates
41.683, -88.339
Elevation
650 ft
NWS forecast office
LOT
Time zone
America/Chicago
Sunrise today
6:28 AM CST
Sunset today
4:44 PM CST
Daylight today
10 h 16 min

Oswego Weather Questions

What is the weather forecast for Oswego, Illinois?

Overnight: Rain showers. Cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: A slight chance of rain showers before noon. Mostly cloudy. High near 63, with temperatures falling to around 55 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Oswego this week?

The best chance of precipitation is Overnight at 85%. Periods with a 30% chance or more: Overnight (85%), Thursday (41%), Thursday Night (46%).

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

The warmest day is Wednesday, with a high near 63°F. The coldest night is Friday Night, with a low near 33°F.

What time are sunrise and sunset in Oswego today?

Sunrise is at 6:28 AM CST and sunset is at 4:44 PM CST, for 10 h 16 min of daylight.

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