Niantic, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Niantic, IL in one place.
Mostly sunny, with a high near 81. East southeast wind around 9 mph.
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: May 28, 2026 8:41 PM CDT.
The active forecast window currently covers May 29 to Jun 4, 2026 for Niantic, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 29 to Jun 4, 2026
- Latest sync
- May 28, 2026 8:41 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Niantic
Monday looks like the warmest upcoming period in Niantic at 83 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Saturday at about 6 to 12 mph E.
The forecast from May 29 through Jun 4 stays mostly dry.
Forecast Details
- Last updated
- May 28, 2026 8:41 PM CDT
- Coverage
- 7 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
Cloudy, with a low around 60. East wind 3 to 7 mph.
Mostly cloudy, with a high near 79. East wind 6 to 12 mph, with gusts as high as 16 mph.
Mostly cloudy, with a low around 57. East wind around 12 mph, with gusts as high as 17 mph.
Partly sunny, with a high near 79. East southeast wind 6 to 10 mph, with gusts as high as 16 mph.
Partly cloudy, with a low around 57. East southeast wind around 6 mph.
Mostly sunny, with a high near 83.
Mostly clear, with a low around 58.
Sunny, with a high near 81.
Mostly clear, with a low around 56.
Sunny, with a high near 80.
Mostly clear, with a low around 56.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 29
|
Mostly Sunny
|
81°F |
9 mph
ESE
|
|
Friday Night
May 29
|
Cloudy
|
60°F |
3 to 7 mph
E
|
|
Saturday
May 30
|
Mostly Cloudy
|
79°F |
6 to 12 mph
E
|
|
Saturday Night
May 30
|
Mostly Cloudy
|
57°F |
12 mph
E
|
|
Sunday
May 31
|
Partly Sunny
|
79°F |
6 to 10 mph
ESE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
57°F |
6 mph
ESE
|
|
Monday
Jun 1
|
Mostly Sunny
|
83°F |
3 to 7 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
58°F |
6 mph
ENE
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
6 to 10 mph
ENE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
56°F |
7 to 10 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
10 mph
ESE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
6 to 9 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
6 to 9 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Niantic.