Newtown, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Newtown, IL in one place.
Sunny, with a high near 91. Northeast wind around 2 mph.
Local Weather Overview
This forecast page for Newtown, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 12, 2026 8:32 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Newtown, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 8:32 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Newtown
Wednesday looks like the warmest upcoming period in Newtown at 92 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 8 to 13 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 8:32 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 70. West northwest wind around 1 mph.
Sunny, with a high near 92. West northwest wind around 3 mph.
Mostly clear, with a low around 70.
Sunny, with a high near 90.
Mostly clear, with a low around 70.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
2 mph
NE
|
|
Tuesday Night
Jul 14
|
Clear
|
70°F |
1 mph
WNW
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
3 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
3 mph
WNW
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
2 to 6 mph
WNW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
70°F |
2 to 6 mph
W
|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
3 to 9 mph
WSW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
8 mph
SSW
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
90°F |
8 to 13 mph
SW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Newtown.