Lafayette, IL Weather Forecast

Local 7-day forecast

45°
F

Slight Chance Rain Showers then Mostly Cloudy

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

Thursday, October 15, 2026
Wind: 20 mph WNW
Tonight

A slight chance of rain showers before 11pm. Mostly cloudy, with a low around 45. West northwest wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Lafayette, 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 16, 2026 12:29 AM CDT.

The active forecast window currently covers Oct 15 to Oct 22, 2026 for Lafayette, IL.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 22, 2026
Latest sync
Oct 16, 2026 12:29 AM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
54°F
Friday
Next Low
45°F
Tonight
Rain Outlook
3
Periods mentioning precipitation
Windiest
18 to 23 mph
Friday

Daily Outlook

Today
Oct 15
Slight Chance Rain Showers then Mostly Cloudy
45 °F
/ 45°F
Wind 20 mph
Fri
Oct 16
Partly Sunny then Chance Rain Showers
54 °F
/ 33°F
Wind 18 to 23 mph
Sat
Oct 17
Widespread Frost then Sunny
57 °F
/ 36°F
Wind 1 to 5 mph
Sun
Oct 18
Areas Of Frost then Sunny
66 °F
/ 40°F
Wind 6 to 14 mph
Mon
Oct 19
Mostly Sunny
68 °F
/ 44°F
Wind 3 to 7 mph
Tue
Oct 20
Mostly Sunny
73 °F
/ 48°F
Wind 0 to 3 mph
Wed
Oct 21
Sunny
75 °F
/ 51°F
Wind 2 to 7 mph

This Week in Lafayette

Thursday looks like the warmest upcoming period in Lafayette at 76 degrees F.

Friday Night is the coolest period ahead with temperatures near 33 degrees F.

The strongest winds are forecast for Friday at about 18 to 23 mph NW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Oct 16, 2026 12:29 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
ILX
Radar station
KDVN

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Friday
Oct 16
54°F
Partly Sunny then Chance Rain Showers
18 to 23 mph NW

A chance of rain showers between noon and 5pm. Partly sunny, with a high near 54. Northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Friday Night
Oct 16
33°F
Mostly Clear then Areas Of Frost
5 to 18 mph N

Areas of frost after 4am. Mostly clear, with a low around 33. North wind 5 to 18 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday
Oct 17
57°F
Widespread Frost then Sunny
1 to 5 mph NNW

Widespread frost before 9am. Sunny, with a high near 57. North northwest wind 1 to 5 mph.

Saturday Night
Oct 17
36°F
Clear then Areas Of Frost
2 to 6 mph SSW

Areas of frost after 5am. Clear, with a low around 36. South southwest wind 2 to 6 mph.

Sunday
Oct 18
66°F
Areas Of Frost then Sunny
6 to 14 mph SSW

Areas of frost before 8am. Sunny, with a high near 66. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

Sunday Night
Oct 18
40°F
Mostly Clear
3 to 7 mph S

Mostly clear, with a low around 40. South wind 3 to 7 mph.

Monday
Oct 19
68°F
Mostly Sunny
3 to 7 mph SSW

Mostly sunny, with a high near 68.

Monday Night
Oct 19
44°F
Partly Cloudy
0 to 3 mph SSE

Partly cloudy, with a low around 44.

Tuesday
Oct 20
73°F
Mostly Sunny
0 to 3 mph ESE

Mostly sunny, with a high near 73.

Tuesday Night
Oct 20
48°F
Mostly Clear
2 mph ESE

Mostly clear, with a low around 48.

Wednesday
Oct 21
75°F
Sunny
2 to 7 mph SE

Sunny, with a high near 75.

Wednesday Night
Oct 21
51°F
Mostly Clear
5 mph SE

Mostly clear, with a low around 51.

Thursday
Oct 22
76°F
Mostly Sunny
5 to 8 mph S

Mostly sunny, with a high near 76.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Oct 15
Slight Chance Rain Showers then Mostly Cloudy
45°F
20 mph
WNW
Friday
Oct 16
Partly Sunny then Chance Rain Showers
54°F
18 to 23 mph
NW
Friday Night
Oct 16
Mostly Clear then Areas Of Frost
33°F
5 to 18 mph
N
Saturday
Oct 17
Widespread Frost then Sunny
57°F
1 to 5 mph
NNW
Saturday Night
Oct 17
Clear then Areas Of Frost
36°F
2 to 6 mph
SSW
Sunday
Oct 18
Areas Of Frost then Sunny
66°F
6 to 14 mph
SSW
Sunday Night
Oct 18
Mostly Clear
40°F
3 to 7 mph
S
Monday
Oct 19
Mostly Sunny
68°F
3 to 7 mph
SSW
Monday Night
Oct 19
Partly Cloudy
44°F
0 to 3 mph
SSE
Tuesday
Oct 20
Mostly Sunny
73°F
0 to 3 mph
ESE
Tuesday Night
Oct 20
Mostly Clear
48°F
2 mph
ESE
Wednesday
Oct 21
Sunny
75°F
2 to 7 mph
SE
Wednesday Night
Oct 21
Mostly Clear
51°F
5 mph
SE
Thursday
Oct 22
Mostly Sunny
76°F
5 to 8 mph
S
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.