Rock Island, Illinois 

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Weather in Rock Island, Illinois

The most pleasant months of the year for Rock Island are September, June and August. In Rock Island, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Rock Island with an average high temperature of 84.7°, which ranks it as cooler than most places in Illinois. January is the snowiest month in Rock Island with 8.5 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.


Today's Weather - Rock Island, IL

3 AM PST

Scattered Snow Showers

26°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightScattered Snow Showers22° / 28°W 5 mph
Monday NightMostly Cloudy16° / 28°W 5 mph
Tuesday NightSlight Chance Light Snow then Partly Cloudy15° / 38°W 0 to 10 mph
Wednesday NightPartly Cloudy29° / 36°SW 5 to 15 mph
Thursday NightMostly Clear15° / 21°NW 10 mph
Friday NightPartly Cloudy9° / 24°NW 5 mph
Saturday NightSlight Chance Light Snow19° / 32°E 5 mph

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 15
Rain: averages 37 inches of rain a year
Snow: averages 28 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Rock Island area is 6.9 (10=best), which means it is more comfortable than most places in Illinois.

6.9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January31° 15°
February36° 19°
March49° 30°
April62° 41°
May73° 51°
June82° 61°
July85° 65°
August83° 63°
September76° 54°
October64° 43°
November49° 31°
December34° 19°
Hot, Freezing, Rainy, Snowy Days: Rock Island
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January02995
February02584
March019102
April05111
May10120
June30110
July6090
August40100
September1080
October0490
November016101
December027105

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


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Reviews for Rock Island    3 Reviews
Rock Island - Pros/Cons - 2/10/2008
Pros: 1. Extremely low cost of living 2. Affordable place to live Cons: 1. High crime rate 2. Poor school system 3. Not much to... Read More

Start Your Review of Rock Island


QCA Education and Business - 5/17/2007
Rock Island has a varied background and contains many cultural and historic areas. It has been improving its school system and is in a metropolitan area which contains... Read More

Affordable Small City - 12/2/2006
I just moved here for work one year ago. Moving from San Francisco here was a shock but ultimatelly good. The community is a typical midwestern small town. It is part... Read More


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MAPS OF ROCK ISLAND, ILLINOIS
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ZIP CODES IN ROCK ISLAND, ILLINOIS
61201

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