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As of 14:12 CDT

Weather in Rock, IL

88°Current weather

Rock, Saturday, 8 August, 14:12

Overcast. Feels like 98°. High 88°, low 72°.

Pressure30.06 inHg
Wind6.6 mph SW
Humidity68%
Visibility6.2 mi
Dew point75°
Sun, 0990° / 72°0Clear
90 °Clear

Rock, Sunday, 9 August

Clear. High 90°, low 72°.

Pressure30.06 inHg
Wind9.8 mph S
Humidity51%
Visibility6.2 mi
Dew point67°
Mon, 1095° / 73°0Clear
95 °Clear

Rock, Monday, 10 August

Clear. High 95°, low 73°.

Pressure30.03 inHg
Wind12.1 mph SW
Humidity50%
Visibility6.2 mi
Dew point70°
Tue, 1197° / 74°0Mostly clear
97 °Mostly clear

Rock, Tuesday, 11 August

Mostly clear. High 97°, low 74°.

Pressure29.94 inHg
Wind14.3 mph SW
Humidity45%
Visibility6.2 mi
Dew point69°
Wed, 1291° / 77°0Overcast
91 °Overcast

Rock, Wednesday, 12 August

Overcast. High 91°, low 77°.

Pressure29.85 inHg
Wind12.9 mph W
Humidity45%
Visibility6.2 mi
Dew point68°
Thu, 1386° / 71°0.2Light rain
86 °Light rain

Rock, Thursday, 13 August

Light rain. High 86°, low 71°.

Pressure29.91 inHg
Wind7.2 mph S
Humidity85%
Visibility—
Dew point72°
Fri, 1480° / 66°0.74Heavy rain
80 °Heavy rain

Rock, Friday, 14 August

Heavy rain. High 80°, low 66°.

Pressure30.09 inHg
Wind9.9 mph NE
Humidity62%
Visibility—
Dew point64°
Sat, 1582° / 58°0Overcast
82 °Overcast

Rock, Saturday, 15 August

Overcast. High 82°, low 58°.

Pressure30.27 inHg
Wind7.9 mph NE
Humidity41%
Visibility—
Dew point51°
Sun, 1683° / 60°0.02Light rain
83 °Light rain

Rock, Sunday, 16 August

Light rain. High 83°, low 60°.

Pressure30.21 inHg
Wind6 mph S
Humidity43%
Visibility—
Dew point54°
Mon, 1784° / 69°0.2Light rain
84 °Light rain

Rock, Monday, 17 August

Light rain. High 84°, low 69°.

Pressure30.03 inHg
Wind16.6 mph S
Humidity66%
Visibility—
Dew point70°
Tue, 1895° / 71°0Overcast
95 °Overcast

Rock, Tuesday, 18 August

Overcast. High 95°, low 71°.

Pressure29.94 inHg
Wind11 mph SW
Humidity48%
Visibility—
Dew point67°
Wed, 1991° / 72°0Light rain
91 °Light rain

Rock, Wednesday, 19 August

Light rain. High 91°, low 72°.

Pressure29.91 inHg
Wind7 mph S
Humidity53%
Visibility—
Dew point69°
Thu, 2091° / 73°0.56Rain
91 °Rain

Rock, Thursday, 20 August

Rain. High 91°, low 73°.

Pressure29.85 inHg
Wind11.4 mph W
Humidity66%
Visibility—
Dew point70°
Fri, 2182° / 72°0.21Light rain
82 °Light rain

Rock, Friday, 21 August

Light rain. High 82°, low 72°.

Pressure29.88 inHg
Wind7.1 mph N
Humidity79%
Visibility—
Dew point74°
Sat, 2287° / 67°0Overcast
87 °Overcast

Rock, Saturday, 22 August

Overcast. High 87°, low 67°.

Pressure29.91 inHg
Wind7.8 mph NE
Humidity51%
Visibility—
Dew point63°
Sun, 2379° / 65°0Overcast
79 °Overcast

Rock, Sunday, 23 August

Overcast. High 79°, low 65°.

Pressure30.06 inHg
Wind10.6 mph NE
Humidity58%
Visibility—
Dew point61°

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 Rock, 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 Rock, 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.