Niantic, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Niantic, IL in one place.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 15 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Niantic, 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: Apr 10, 2026 9:04 PM CDT.
The active forecast window currently covers Apr 13 to Apr 17, 2026 for Niantic, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 17, 2026
- Latest sync
- Apr 10, 2026 9:04 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Niantic
Tuesday looks like the warmest upcoming period in Niantic at 85 degrees F.
Thursday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday at about 14 to 21 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 9:04 PM 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
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
83°F |
15 to 20 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
65°F |
16 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
85°F |
14 to 21 mph
SSW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
65°F |
16 to 20 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
80°F |
15 to 18 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
59°F |
10 to 15 mph
SSW
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
78°F |
10 to 15 mph
SSW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms
|
58°F |
12 mph
S
|
|
Friday
Apr 17
|
Chance Rain Showers
|
79°F |
10 to 16 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Niantic.