Trenton, IL Weather Forecast

Local 7-day forecast

72°
F

Showers And Thunderstorms Likely

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

Friday, April 10, 2026
Wind: 10 mph W
Friday

A chance of rain showers between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy. High near 72, with temperatures falling to around 67 in the afternoon. West wind around 10 mph. Chance of precipitation is 60%.

Local 7-day forecast

Local Weather Overview

This forecast page for Trenton, 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 9, 2026 4:17 PM CDT.

The active forecast window currently covers Apr 10 to Apr 15, 2026 for Trenton, IL.

Page Snapshot

Page focus
city weather
Forecast window
Apr 10 to Apr 15, 2026
Latest sync
Apr 9, 2026 4:17 PM CDT
Forecast office
LSX
Source
NOAA / NWS
Next High
72°F
Friday
Next Low
51°F
Friday Night
Rain Outlook
12
Periods mentioning precipitation
Windiest
9 to 21 mph
Sunday

Daily Outlook

Today
Apr 10
Showers And Thunderstorms Likely
72 °F
/ 51°F
Wind 10 mph
Sat
Apr 11
Chance Rain Showers
74 °F
/ 60°F
Wind 9 mph
Sun
Apr 12
Mostly Cloudy then Slight Chance Rain Showers
79 °F
/ 64°F
Wind 9 to 21 mph
Mon
Apr 13
Showers And Thunderstorms Likely
81 °F
/ 68°F
Wind 14 to 20 mph
Tue
Apr 14
Chance Showers And Thunderstorms
84 °F
/ 66°F
Wind 13 to 18 mph
Wed
Apr 15
Chance Showers And Thunderstorms
81 °F
/ 58°F
Wind 14 to 18 mph

This Week in Trenton

Tuesday looks like the warmest upcoming period in Trenton at 84 degrees F.

Friday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Sunday at about 9 to 21 mph S.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated
Apr 9, 2026 4:17 PM CDT
Coverage
6 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 source

Extended Forecast

Friday Night
Apr 10
51°F
Chance Showers And Thunderstorms
8 mph NE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind around 8 mph. Chance of precipitation is 30%.

Saturday
Apr 11
74°F
Chance Rain Showers
9 mph E

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 74. East wind around 9 mph. Chance of precipitation is 30%.

Saturday Night
Apr 11
60°F
Chance Showers And Thunderstorms then Mostly Cloudy
9 mph SE

A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

Sunday
Apr 12
79°F
Mostly Cloudy then Slight Chance Rain Showers
9 to 21 mph S

A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 20%.

Sunday Night
Apr 12
64°F
Showers And Thunderstorms Likely
14 to 17 mph S

A slight chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Monday
Apr 13
81°F
Showers And Thunderstorms Likely
14 to 20 mph SW

Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

Monday Night
Apr 13
68°F
Slight Chance Showers And Thunderstorms
13 to 16 mph S

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

Tuesday
Apr 14
84°F
Chance Showers And Thunderstorms
13 to 18 mph S

A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Tuesday Night
Apr 14
66°F
Chance Showers And Thunderstorms
14 to 17 mph S

A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

Wednesday
Apr 15
81°F
Chance Showers And Thunderstorms
14 to 18 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Wednesday Night
Apr 15
58°F
Chance Showers And Thunderstorms
7 to 14 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

Detailed Forecast

Period Conditions Temp Wind
Friday
Apr 10
Showers And Thunderstorms Likely
72°F
10 mph
W
Friday Night
Apr 10
Chance Showers And Thunderstorms
51°F
8 mph
NE
Saturday
Apr 11
Chance Rain Showers
74°F
9 mph
E
Saturday Night
Apr 11
Chance Showers And Thunderstorms then Mostly Cloudy
60°F
9 mph
SE
Sunday
Apr 12
Mostly Cloudy then Slight Chance Rain Showers
79°F
9 to 21 mph
S
Sunday Night
Apr 12
Showers And Thunderstorms Likely
64°F
14 to 17 mph
S
Monday
Apr 13
Showers And Thunderstorms Likely
81°F
14 to 20 mph
SW
Monday Night
Apr 13
Slight Chance Showers And Thunderstorms
68°F
13 to 16 mph
S
Tuesday
Apr 14
Chance Showers And Thunderstorms
84°F
13 to 18 mph
S
Tuesday Night
Apr 14
Chance Showers And Thunderstorms
66°F
14 to 17 mph
S
Wednesday
Apr 15
Chance Showers And Thunderstorms
81°F
14 to 18 mph
SW
Wednesday Night
Apr 15
Chance Showers And Thunderstorms
58°F
7 to 14 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.