Hartland, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hartland, IL in one place.
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Hartland, 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 14, 2026 7:46 PM CDT.
The active forecast window currently covers Jul 16 to Jul 20, 2026 for Hartland, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:46 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Hartland
Thursday looks like the warmest upcoming period in Hartland at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:46 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
A slight chance of rain showers between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 89.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, 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 1am. Mostly clear, with a low around 67.
Sunny, with a high near 86.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 67.
A slight chance of rain showers. Mostly sunny, with a high near 87.
A chance of rain showers. Partly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
5 mph
SSW
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
E
|
|
Friday
Jul 17
|
Slight Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SSE
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
67°F |
0 to 10 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
86°F |
0 to 5 mph
SE
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Slight Chance Rain Showers
|
67°F |
0 to 5 mph
SSW
|
|
Monday
Jul 20
|
Slight Chance Rain Showers
|
87°F |
5 to 10 mph
WSW
|
|
Monday Night
Jul 20
|
Chance Rain Showers
|
66°F |
5 to 10 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hartland.