Sangamon, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sangamon, IL in one place.
Partly sunny, with a high near 79. East wind around 9 mph.
Local Weather Overview
This forecast page for Sangamon, 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 27, 2026 1:38 PM CDT.
The active forecast window currently covers May 29 to Jun 2, 2026 for Sangamon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 29 to Jun 2, 2026
- Latest sync
- May 27, 2026 1:38 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sangamon
Saturday looks like the warmest upcoming period in Sangamon at 81 degrees F.
Sunday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Saturday at about 6 to 13 mph ENE.
The forecast from May 29 through Jun 2 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 1:38 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
Partly cloudy, with a low around 59. East wind 3 to 7 mph.
Mostly sunny, with a high near 81. East northeast wind 6 to 13 mph, with gusts as high as 16 mph.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 77.
Mostly clear, with a low around 56.
Sunny, with a high near 78.
Mostly clear, with a low around 57.
Sunny, with a high near 79.
Mostly clear, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 29
|
Partly Sunny
|
79°F |
9 mph
E
|
|
Friday Night
May 29
|
Partly Cloudy
|
59°F |
3 to 7 mph
E
|
|
Saturday
May 30
|
Mostly Sunny
|
81°F |
6 to 13 mph
ENE
|
|
Saturday Night
May 30
|
Partly Cloudy
|
57°F |
12 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
77°F |
10 mph
E
|
|
Sunday Night
May 31
|
Mostly Clear
|
56°F |
7 mph
ENE
|
|
Monday
Jun 1
|
Sunny
|
78°F |
5 to 9 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
57°F |
8 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
79°F |
7 to 10 mph
ENE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
57°F |
5 to 8 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sangamon.