Darwin, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Darwin, IL in one place.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. West southwest wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Darwin, 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: Oct 15, 2026 9:49 PM CDT.
The active forecast window currently covers Oct 15 to Oct 22, 2026 for Darwin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 9:49 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Darwin
Thursday looks like the warmest upcoming period in Darwin at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 20 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 9:49 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7am. Mostly cloudy, with a high near 57. Northwest wind around 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 39. North northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Sunny, with a high near 59. North wind 5 to 9 mph, with gusts as high as 16 mph.
Areas of frost after 2am. Clear, with a low around 34. East wind 0 to 3 mph.
Widespread frost before 8am. Sunny, with a high near 66. South southeast wind 2 to 7 mph.
Mostly clear, with a low around 38. South southeast wind around 3 mph.
Sunny, with a high near 70.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 44.
Sunny, with a high near 76.
Mostly clear, with a low around 45.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Oct 15
|
Chance Showers And Thunderstorms
|
49°F |
10 to 16 mph
WSW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Mostly Cloudy
|
57°F |
20 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
39°F |
9 to 17 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
59°F |
5 to 9 mph
N
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
34°F |
0 to 3 mph
E
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
66°F |
2 to 7 mph
SSE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
3 mph
SSE
|
|
Monday
Oct 19
|
Sunny
|
70°F |
1 to 5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
2 mph
SE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
74°F |
3 mph
E
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
44°F |
2 mph
ENE
|
|
Wednesday
Oct 21
|
Sunny
|
76°F |
1 to 5 mph
E
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
45°F |
3 mph
E
|
|
Thursday
Oct 22
|
Sunny
|
79°F |
2 to 6 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Darwin.