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As of 10:39 CDT

Weather in Louisville, IL

83°Current weather

Louisville, Sunday, 9 August, 10:39

Partly cloudy. Feels like 91°. High 91°, low 71°.

Pressure30.06 inHg
Wind11.2 mph S
Humidity79%
Visibility6.2 mi
Dew point76°
Mon, 1095° / 76°0Clear
95 °Clear

Louisville, Monday, 10 August

Clear. High 95°, low 76°.

Pressure29.97 inHg
Wind13.8 mph SW
Humidity63%
Visibility6.2 mi
Dew point74°
Tue, 1194° / 73°0.02Light rain
94 °Light rain

Louisville, Tuesday, 11 August

Light rain. High 94°, low 73°.

Pressure29.94 inHg
Wind9.5 mph SW
Humidity60%
Visibility6.2 mi
Dew point74°
Wed, 1290° / 77°0.01Light rain
90 °Light rain

Louisville, Wednesday, 12 August

Light rain. High 90°, low 77°.

Pressure29.85 inHg
Wind6.4 mph W
Humidity65%
Visibility6.2 mi
Dew point73°
Thu, 1386° / 71°0.54Rain
86 °Rain

Louisville, Thursday, 13 August

Rain. High 86°, low 71°.

Pressure29.91 inHg
Wind14 mph E
Humidity79%
Visibility—
Dew point71°
Fri, 1482° / 70°0.22Rain
82 °Rain

Louisville, Friday, 14 August

Rain. High 82°, low 70°.

Pressure30.03 inHg
Wind18.4 mph E
Humidity86%
Visibility—
Dew point71°
Sat, 1584° / 69°0.02Light rain
84 °Light rain

Louisville, Saturday, 15 August

Light rain. High 84°, low 69°.

Pressure30.12 inHg
Wind12.3 mph E
Humidity83%
Visibility—
Dew point71°
Sun, 1689° / 72°0Partly cloudy
89 °Partly cloudy

Louisville, Sunday, 16 August

Partly cloudy. High 89°, low 72°.

Pressure30.00 inHg
Wind13.4 mph W
Humidity64%
Visibility—
Dew point73°
Mon, 1780° / 64°0Partly cloudy
80 °Partly cloudy

Louisville, Monday, 17 August

Partly cloudy. High 80°, low 64°.

Pressure30.06 inHg
Wind9.3 mph N
Humidity62%
Visibility—
Dew point62°
Tue, 1886° / 64°0Overcast
86 °Overcast

Louisville, Tuesday, 18 August

Overcast. High 86°, low 64°.

Pressure29.88 inHg
Wind12.4 mph E
Humidity64%
Visibility—
Dew point66°
Wed, 1988° / 69°0.01Light rain
88 °Light rain

Louisville, Wednesday, 19 August

Light rain. High 88°, low 69°.

Pressure29.83 inHg
Wind14 mph N
Humidity60%
Visibility—
Dew point70°
Thu, 2080° / 62°0Clear
80 °Clear

Louisville, Thursday, 20 August

Clear. High 80°, low 62°.

Pressure29.94 inHg
Wind6.6 mph NE
Humidity57%
Visibility—
Dew point60°
Fri, 2187° / 63°0Clear
87 °Clear

Louisville, Friday, 21 August

Clear. High 87°, low 63°.

Pressure29.88 inHg
Wind15.2 mph SE
Humidity53%
Visibility—
Dew point61°
Sat, 2289° / 68°0.04Light rain
89 °Light rain

Louisville, Saturday, 22 August

Light rain. High 89°, low 68°.

Pressure29.80 inHg
Wind12.1 mph N
Humidity58%
Visibility—
Dew point69°
Sun, 2379° / 61°0Clear
79 °Clear

Louisville, Sunday, 23 August

Clear. High 79°, low 61°.

Pressure30.12 inHg
Wind11.3 mph N
Humidity53%
Visibility—
Dew point58°
Mon, 2480° / 59°0Clear
80 °Clear

Louisville, Monday, 24 August

Clear. High 80°, low 59°.

Pressure30.21 inHg
Wind9.8 mph NE
Humidity48%
Visibility—
Dew point55°

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 Louisville, 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 Louisville, 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.