Newcastle Park, IL Weather Forecast

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Newcastle Park, IL Weather Forecast

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Newcastle Park IL weather  - Mostly Clear - 55°F
Mostly Clear
55°F
Updated 5:44 am
Feels Like 54°F
Humidity 74%
Wind SSW 6 mph
Barometer  30.12 in
Dew Point 47°F
Newcastle Park IL weather  - Mostly Clear - 13°C
Mostly Clear
13°C
Updated 5:44 am
Feels Like 12°C
Humidity 74%
Wind SSW 10 km/h
Barometer  101.9 kPa
Dew Point 8°C

Newcastle Park Weather Forecast

EARLY THIS MORNING TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Newcastle Park, IL Weather - Early This Morning Clearing Newcastle Park, IL Weather - Today Mostly Sunny Newcastle Park, IL Weather - Tonight Mostly Clear Newcastle Park, IL Weather - Monday Sunny Newcastle Park, IL Weather - Monday Night Clear Newcastle Park, IL Weather - Tuesday Sunny Newcastle Park, IL Weather - Tuesday Night Mostly Clear Newcastle Park, IL Weather - Wednesday Mostly Sunny Newcastle Park, IL Weather - Wednesday Night Partly Cloudy Newcastle Park, IL Weather - Thursday Partly Cloudy Newcastle Park, IL Weather - Thursday Night Partly Cloudy Newcastle Park, IL Weather - Friday Mostly Sunny
Clearing Mostly Sunny Mostly Clear Sunny Clear Sunny Mostly Clear Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Mostly Sunny
Hi: 55°FHi: 13°C
Hi: 71°FHi: 22°C
Lo: 49°FLo: 9°C Hi: 65°FHi: 18°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
POP = Probability of Precipitation.
Weather Outlook Updated: 420 AM CDT Sun Oct 04 2026 Newcastle Park, IL Weather - WeatherWorld.com

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Newcastle Park Forecast Discussion

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Issued: 152 AM CDT Sun Oct 4 2026

Key Messages

  • Dry weather with seasonable temperatures are expected through much of the upcoming week.

Discussion

... Issued at 152 AM CDT Sun Oct 4 2026

A potent mid-level wave crossing the northern Great Lakes early this morning continues to encounter dry mid-level air across the CWA. However, the strong forcing interacting with little available moisture below modestly steep lapse rates has yielded an axis of isolated showers strong enough to result in precip reaching the surface north of I-88/290 ...