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Seneca, IL Weather Forecast

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Seneca, IL Weather Forecast

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Seneca IL weather - Partly Cloudy - 48°F
Partly Cloudy
48°F
Updated 1:13 am
Feels Like 53°F
Humidity 90%
Wind SE 5 mph
Barometer  30.21 in
Dew Point 45°F
Seneca IL weather - Partly Cloudy - 9°C
Partly Cloudy
9°C
Updated 1:13 am
Feels Like 12°C
Humidity 90%
Wind SE 8 km/h
Barometer  102.3 kPa
Dew Point 7°C
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Seneca Weather Forecast

OVERNIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Seneca, IL Weather - Overnight Partly Cloudy Seneca, IL Weather - Wednesday Sunny Seneca, IL Weather - Wednesday Night Chance Of Showers Seneca, IL Weather - Thursday Chance Of Showers Seneca, IL Weather - Thursday Night Mostly Clear Seneca, IL Weather - Friday Chance Of Showers Seneca, IL Weather - Friday Night Chance Of T-Storm Seneca, IL Weather - Saturday Chance Of Showers Seneca, IL Weather - Saturday Night Chance Of Showers Seneca, IL Weather - Sunday Chance Of Showers Seneca, IL Weather - Sunday Night Chance Of Showers Seneca, IL Weather - Monday Chance Of Showers
Partly Cloudy Sunny Chance of Showers Chance of Showers Mostly Clear Chance of Showers Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers Chance of Showers Chance of Showers
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Lo: 60°FLo: 16°C Hi: 70°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
POP: 20% POP: 30% POP: 30% POP: 50% POP: 40% POP: 30% POP: 50% POP: 30% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1136 PM CDT Tue Oct 27 2026 Seneca, IL Weather - WeatherWorld.com

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Issued: 1240 AM CDT Wed Oct 28 2026

Key Messages

  • Above average temperatures expected to continue through the upcoming weekend, though tomorrow looks like the warmest day of the bunch.
  • While not a wash out, there will be some periodic chances for showers and perhaps isolated thunderstorms at times late Wednesday night through the upcoming weekend.

Discussion

... Issued at 1243 PM CDT Tue Oct 27 2026

The rest of the afternoon looks fairly quiet and cloudy as a moisture-starved upper-level waves (currently lifting across the IA/MO border...