Lockport, IL Weather Forecast

Local 7-day forecast

78°
F

Mostly Sunny

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

Monday, August 24, 2026
Wind: 0 to 5 mph WNW
Monday

Mostly sunny, with a high near 78. West northwest wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Lockport, 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: Aug 23, 2026 7:15 PM CDT.

The active forecast window currently covers Aug 24 to Aug 29, 2026 for Lockport, IL.

Page Snapshot

Page focus
city weather
Forecast window
Aug 24 to Aug 29, 2026
Latest sync
Aug 23, 2026 7:15 PM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
78°F
Monday
Next Low
57°F
Monday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
5 to 15 mph
Wednesday

Daily Outlook

Today
Aug 24
Mostly Sunny
78 °F
/ 57°F
Wind 0 to 5 mph
Tue
Aug 25
Mostly Sunny
81 °F
/ 64°F
Wind 0 to 5 mph
Wed
Aug 26
Mostly Sunny then Chance Showers And Thunderstorms
83 °F
/ 64°F
Wind 5 to 15 mph
Thu
Aug 27
Sunny
82 °F
/ 62°F
Wind 5 to 10 mph
Fri
Aug 28
Sunny
82 °F
/ 62°F
Wind 0 to 5 mph
Sat
Aug 29
Mostly Sunny
81 °F
/ 67°F
Wind 0 to 5 mph

This Week in Lockport

Wednesday looks like the warmest upcoming period in Lockport at 83 degrees F.

Monday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Wednesday at about 5 to 15 mph SW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Aug 23, 2026 7:15 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KLOT

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

Open NOAA source

Extended Forecast

Monday Night
Aug 24
57°F
Mostly Clear
0 to 5 mph E

Mostly clear, with a low around 57. East wind 0 to 5 mph.

Tuesday
Aug 25
81°F
Mostly Sunny
0 to 5 mph SSE

Mostly sunny, with a high near 81. South southeast wind 0 to 5 mph.

Tuesday Night
Aug 25
64°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 64.

Wednesday
Aug 26
83°F
Mostly Sunny then Chance Showers And Thunderstorms
5 to 15 mph SW

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

Wednesday Night
Aug 26
64°F
Chance Showers And Thunderstorms
5 to 10 mph W

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.

Thursday
Aug 27
82°F
Sunny
5 to 10 mph NW

Sunny, with a high near 82.

Thursday Night
Aug 27
62°F
Mostly Clear
0 to 5 mph WNW

Mostly clear, with a low around 62.

Friday
Aug 28
82°F
Sunny
0 to 5 mph NW

Sunny, with a high near 82.

Friday Night
Aug 28
62°F
Partly Cloudy
0 to 5 mph E

Partly cloudy, with a low around 62.

Saturday
Aug 29
81°F
Mostly Sunny
0 to 5 mph SSE

Mostly sunny, with a high near 81.

Saturday Night
Aug 29
67°F
Chance Showers And Thunderstorms
5 to 10 mph SSE

A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 67.

Detailed Forecast

Period Conditions Temp Wind
Monday
Aug 24
Mostly Sunny
78°F
0 to 5 mph
WNW
Monday Night
Aug 24
Mostly Clear
57°F
0 to 5 mph
E
Tuesday
Aug 25
Mostly Sunny
81°F
0 to 5 mph
SSE
Tuesday Night
Aug 25
Partly Cloudy
64°F
5 mph
S
Wednesday
Aug 26
Mostly Sunny then Chance Showers And Thunderstorms
83°F
5 to 15 mph
SW
Wednesday Night
Aug 26
Chance Showers And Thunderstorms
64°F
5 to 10 mph
W
Thursday
Aug 27
Sunny
82°F
5 to 10 mph
NW
Thursday Night
Aug 27
Mostly Clear
62°F
0 to 5 mph
WNW
Friday
Aug 28
Sunny
82°F
0 to 5 mph
NW
Friday Night
Aug 28
Partly Cloudy
62°F
0 to 5 mph
E
Saturday
Aug 29
Mostly Sunny
81°F
0 to 5 mph
SSE
Saturday Night
Aug 29
Chance Showers And Thunderstorms
67°F
5 to 10 mph
SSE
Lockport Arts Fest on Main St
Lockport Arts Fest on Main St image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.