Rock Island Arsenal, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Rock Island Arsenal now
Loading the National Weather Service forecast…
Rock Island Arsenal weather by the hour
Rock Island Arsenal weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Rock Island Arsenal.
This week in Rock Island Arsenal
Sunrise, sunset and moon in Rock Island Arsenal
What is the weather usually like in Rock Island Arsenal?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 13°F average low
- 38.8 inprecipitation per year · 986 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Rock Island Arsenal: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ROCK ISLAND L&D 15, IL US (USC00117391), adjusted for the elevation of Rock Island Arsenal.
Rock Island Arsenal weather month by month
Sunrise and sunset in Rock Island Arsenal through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:24 AM | 4:58 PM | 9 h 34 min |
| February | 6:55 AM | 5:37 PM | 10 h 41 min |
| March | 7:11 AM | 7:10 PM | 11 h 58 min |
| April | 6:20 AM | 7:43 PM | 13 h 23 min |
| May | 5:41 AM | 8:16 PM | 14 h 35 min |
| June | 5:26 AM | 8:39 PM | 15 h 13 min |
| July | 5:40 AM | 8:36 PM | 14 h 56 min |
| August | 6:09 AM | 8:03 PM | 13 h 53 min |
| September | 6:41 AM | 7:13 PM | 12 h 31 min |
| October | 7:13 AM | 6:22 PM | 11 h 9 min |
| November | 6:49 AM | 4:43 PM | 9 h 54 min |
| December | 7:20 AM | 4:34 PM | 9 h 14 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Rock Island Arsenal?
Rock Island Arsenal has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 13°F (-10°C).
It gets about 38.8 inches (986 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Rock Island Arsenal is June to September. At 581 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Rock Island Arsenal
Weather in towns near Rock Island Arsenal
Questions about the weather in Rock Island Arsenal
What is the hottest month in Rock Island Arsenal?
July, with an average high of 84°F (29°C).
What is the coldest month in Rock Island Arsenal?
January, with an average low of 13°F (-10°C).
How much does it rain in Rock Island Arsenal?
About 38.8 inches (986 mm) a year; the wettest month is June.
Does it snow in Rock Island Arsenal?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Rock Island Arsenal?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Rock Island Arsenal have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Rock Island Arsenal in November?
Highs average 49°F and lows 30°F, with about 2.3 inches of precipitation.
What time is sunrise in Rock Island Arsenal?
Around 6:49 AM in mid-November, and sunset around 4:43 PM. Today’s exact times are shown above.
Where does this Rock Island Arsenal weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Rock Island Arsenal.
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