Hartford, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hartford, IL in one place.
Showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for Hartford, 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 8:46 AM CDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for Hartford, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 8:46 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Hartford
Tuesday looks like the warmest upcoming period in Hartford at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 14 to 18 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 8:46 AM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 1am. Partly cloudy, with a low around 40. Chance of precipitation is 40%.
Sunny, with a high near 63.
Clear, with a low around 41.
Sunny, with a high near 72.
Mostly clear, with a low around 51.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
67°F |
14 to 18 mph
W
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
40°F |
9 to 16 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
63°F |
9 to 14 mph
W
|
|
Sunday Night
Apr 19
|
Clear
|
41°F |
5 to 9 mph
N
|
|
Monday
Apr 20
|
Sunny
|
72°F |
5 to 12 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
51°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
77°F |
8 to 14 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
57°F |
7 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hartford.