Hartland, IL Weather Forecast

Local 7-day forecast

76°
F

Partly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Hartland, IL in one place.

Friday, April 17, 2026
Wind: 5 to 15 mph SSE
Friday

Partly sunny, with a high near 76.

Local 7-day forecast

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: Apr 15, 2026 7:22 AM CDT.

The active forecast window currently covers Apr 17 to Apr 21, 2026 for Hartland, IL.

Page Snapshot

Page focus
city weather
Forecast window
Apr 17 to Apr 21, 2026
Latest sync
Apr 15, 2026 7:22 AM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
76°F
Friday
Next Low
48°F
Friday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
15 to 20 mph
Saturday

Daily Outlook

Today
Apr 17
Partly Sunny
76 °F
/ 48°F
Wind 5 to 15 mph
Sat
Apr 18
Showers And Thunderstorms
60 °F
/ 32°F
Wind 15 to 20 mph
Sun
Apr 19
Mostly Sunny
49 °F
/ 31°F
Wind 15 mph
Mon
Apr 20
Patchy Frost then Sunny
59 °F
/ 44°F
Wind 5 to 15 mph
Tue
Apr 21
Mostly Sunny
69 °F
Wind 15 mph

This Week in Hartland

Friday looks like the warmest upcoming period in Hartland at 76 degrees F.

Sunday Night is the coolest period ahead with temperatures near 31 degrees F.

The strongest winds are forecast for Saturday at about 15 to 20 mph WSW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 7:22 AM 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 source

Extended Forecast

Friday Night
Apr 17
48°F
Showers And Thunderstorms
15 mph SSW

Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 48.

Saturday
Apr 18
60°F
Showers And Thunderstorms
15 to 20 mph WSW

Showers and thunderstorms. Partly sunny, with a high near 60.

Saturday Night
Apr 18
32°F
Slight Chance Rain And Snow Showers
15 to 20 mph W

A chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and 1am. Partly cloudy, with a low around 32.

Sunday
Apr 19
49°F
Mostly Sunny
15 mph WNW

Mostly sunny, with a high near 49.

Sunday Night
Apr 19
31°F
Partly Cloudy then Patchy Frost
5 to 15 mph WNW

Patchy frost after 2am. Partly cloudy, with a low around 31.

Monday
Apr 20
59°F
Patchy Frost then Sunny
5 to 15 mph S

Patchy frost before 8am. Sunny, with a high near 59.

Monday Night
Apr 20
44°F
Partly Cloudy
10 to 15 mph S

Partly cloudy, with a low around 44.

Tuesday
Apr 21
69°F
Mostly Sunny
15 mph SW

Mostly sunny, with a high near 69.

Detailed Forecast

Period Conditions Temp Wind
Friday
Apr 17
Partly Sunny
76°F
5 to 15 mph
SSE
Friday Night
Apr 17
Showers And Thunderstorms
48°F
15 mph
SSW
Saturday
Apr 18
Showers And Thunderstorms
60°F
15 to 20 mph
WSW
Saturday Night
Apr 18
Slight Chance Rain And Snow Showers
32°F
15 to 20 mph
W
Sunday
Apr 19
Mostly Sunny
49°F
15 mph
WNW
Sunday Night
Apr 19
Partly Cloudy then Patchy Frost
31°F
5 to 15 mph
WNW
Monday
Apr 20
Patchy Frost then Sunny
59°F
5 to 15 mph
S
Monday Night
Apr 20
Partly Cloudy
44°F
10 to 15 mph
S
Tuesday
Apr 21
Mostly Sunny
69°F
15 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.