As of 21:30 CDT

Weather in Trenton, IL

68°Current weather

Trenton, Thursday, 29 October, 21:30

Thunderstorm. Feels like 69°. High 81°, low 56°.

Pressure30.18 inHg
Wind6 mph NE
Humidity84%
Visibility6.2 mi
Dew point63°
Fri, 3078° / 58°0Overcast
78 °Overcast

Trenton, Friday, 30 October

Overcast. High 78°, low 58°.

Pressure30.24 inHg
Wind8.1 mph E
Humidity66%
Visibility6.2 mi
Dew point59°
Sat, 3172° / 60°0Overcast
72 °Overcast

Trenton, Saturday, 31 October

Overcast. High 72°, low 60°.

Pressure30.27 inHg
Wind4.7 mph E
Humidity54%
Visibility6.2 mi
Dew point50°
Sun, 0170° / 60°0.16Light rain
70 °Light rain

Trenton, Sunday, 1 November

Light rain. High 70°, low 60°.

Pressure30.27 inHg
Wind9.8 mph SE
Humidity62%
Visibility6.2 mi
Dew point56°
Mon, 0268° / 58°0.02Light rain
68 °Light rain

Trenton, Monday, 2 November

Light rain. High 68°, low 58°.

Pressure30.12 inHg
Wind11.5 mph S
Humidity79%
Visibility6.2 mi
Dew point58°
Tue, 0376° / 64°0.2Rain
76 °Rain

Trenton, Tuesday, 3 November

Rain. High 76°, low 64°.

Pressure29.91 inHg
Wind18.7 mph S
Humidity59%
Visibility—
Dew point58°
Wed, 0465° / 60°0.65Rain
65 °Rain

Trenton, Wednesday, 4 November

Rain. High 65°, low 60°.

Pressure29.74 inHg
Wind14.6 mph SE
Humidity83%
Visibility—
Dew point56°
Thu, 0566° / 57°0.06Light rain
66 °Light rain

Trenton, Thursday, 5 November

Light rain. High 66°, low 57°.

Pressure29.65 inHg
Wind14.2 mph N
Humidity79%
Visibility—
Dew point58°
Fri, 0665° / 48°0Partly cloudy
65 °Partly cloudy

Trenton, Friday, 6 November

Partly cloudy. High 65°, low 48°.

Pressure29.85 inHg
Wind9.7 mph NW
Humidity50%
Visibility—
Dew point42°
Sat, 0765° / 47°0Partly cloudy
65 °Partly cloudy

Trenton, Saturday, 7 November

Partly cloudy. High 65°, low 47°.

Pressure30.09 inHg
Wind8.2 mph E
Humidity46%
Visibility—
Dew point40°
Sun, 0859° / 49°0.25Rain
59 °Rain

Trenton, Sunday, 8 November

Rain. High 59°, low 49°.

Pressure29.91 inHg
Wind14.2 mph SE
Humidity54%
Visibility—
Dew point41°
Mon, 0961° / 51°0.15Rain
61 °Rain

Trenton, Monday, 9 November

Rain. High 61°, low 51°.

Pressure29.88 inHg
Wind12.1 mph NW
Humidity65%
Visibility—
Dew point47°
Tue, 1049° / 47°0Light rain
49 °Light rain

Trenton, Tuesday, 10 November

Light rain. High 49°, low 47°.

Pressure30.12 inHg
Wind12.5 mph N
Humidity69%
Visibility—
Dew point38°
Wed, 1155° / 46°0Overcast
55 °Overcast

Trenton, Wednesday, 11 November

Overcast. High 55°, low 46°.

Pressure30.00 inHg
Wind8 mph S
Humidity48%
Visibility—
Dew point33°
Thu, 1251° / 45°0.33Rain
51 °Rain

Trenton, Thursday, 12 November

Rain. High 51°, low 45°.

Pressure29.62 inHg
Wind11.4 mph S
Humidity92%
Visibility—
Dew point45°
Fri, 1360° / 44°0.01Light rain
60 °Light rain

Trenton, Friday, 13 November

Light rain. High 60°, low 44°.

Pressure29.85 inHg
Wind9.4 mph W
Humidity44%
Visibility—
Dew point35°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Trenton, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Trenton, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.