National Weather Service forecast

Seneca, Illinois Weather

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

Seneca 7-Day Forecast

  1. Overnight
    59°F
    Rain Showers
    83% chance of precipitation

    Rain showers. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    63°F
    Slight Chance Rain Showers then Mostly Cloudy
    18% chance of precipitation

    A slight chance of rain showers before noon. Mostly cloudy. High near 63, with temperatures falling to around 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    47°F
    Mostly Cloudy
    6% chance of precipitation

    Mostly cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    58°F
    Mostly Cloudy then Chance Rain Showers
    31% chance of precipitation

    A chance of rain showers after 2pm. Mostly cloudy, with a high near 58. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

  5. Thursday Night
    43°F
    Chance Rain Showers
    44% chance of precipitation

    A chance of rain showers. Mostly cloudy, with a low around 43. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

  6. Friday
    52°F
    Partly Sunny
    10% chance of precipitation

    Partly sunny, with a high near 52.

  7. Friday Night
    34°F
    Partly Cloudy

    Partly cloudy, with a low around 34.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    34°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 34.

  10. Sunday
    56°F
    Sunny
    4% chance of precipitation

    Sunny, with a high near 56.

  11. Sunday Night
    35°F
    Clear

    Clear, with a low around 35.

  12. Monday
    62°F
    Sunny

    Sunny, with a high near 62.

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

    Mostly clear, with a low around 40.

  14. Tuesday
    63°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 63.

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

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About Seneca

Population (2020 Census)
2,353
Coordinates
41.310, -88.598
Elevation
505 ft
NWS forecast office
LOT
Time zone
America/Chicago
Sunrise today
6:29 AM CST
Sunset today
4:46 PM CST
Daylight today
10 h 17 min

Seneca Weather Questions

What is the weather forecast for Seneca, Illinois?

Overnight: Rain showers. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. 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 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Seneca this week?

The best chance of precipitation is Overnight at 83%. Periods with a 30% chance or more: Overnight (83%), Thursday (31%), Thursday Night (44%).

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

The warmest day is Wednesday, with a high near 63°F. The coldest night is Friday Night, with a low near 34°F.

What time are sunrise and sunset in Seneca today?

Sunrise is at 6:29 AM CST and sunset is at 4:46 PM CST, for 10 h 17 min of daylight.

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