Arnold, IL
Unincorporated community in Morgan County, Illinois
Arnold is a small unincorporated community in Morgan County, Illinois. It is 4.5 miles W of South Jacksonville, the nearest town. Its ZIP code is 62650.
Arnold at a glance
- State
- Illinois
- County
- Morgan County
- ZIP code
- 62650
- Nearest town
- South Jacksonville (4.5 mi)
- Time zone
- America/Chicago
- Coordinates
- 39.7211, -90.1450
Weather in Arnold now
Loading the National Weather Service forecast…
Arnold weather by the hour
Arnold weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Arnold.
This week in Arnold
Sunrise, sunset and moon in Arnold
What is the weather usually like in Arnold?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 18°F average low
- 39.3 inprecipitation per year · 997 mm
- 16.2 insnowfall per year · 41 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Arnold: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station JACKSONVILLE 2E, IL US (USC00114442), adjusted for the elevation of Arnold.
Arnold weather month by month
Sunrise and sunset in Arnold through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:18 AM | 5:02 PM | 9 h 44 min |
| February | 6:51 AM | 5:38 PM | 10 h 47 min |
| March | 7:10 AM | 7:08 PM | 11 h 58 min |
| April | 6:21 AM | 7:40 PM | 13 h 18 min |
| May | 5:44 AM | 8:09 PM | 14 h 25 min |
| June | 5:30 AM | 8:31 PM | 15 h 1 min |
| July | 5:43 AM | 8:29 PM | 14 h 45 min |
| August | 6:11 AM | 7:58 PM | 13 h 46 min |
| September | 6:40 AM | 7:10 PM | 12 h 30 min |
| October | 7:09 AM | 6:22 PM | 11 h 13 min |
| November | 6:43 AM | 4:46 PM | 10 h 2 min |
| December | 7:12 AM | 4:38 PM | 9 h 25 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Arnold?
Arnold has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 18°F (-8°C).
It gets about 39.3 inches (997 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 16 inches fall in an average year.
The best time to visit Arnold is May–June and August–September. 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.
Webcams near Arnold
The closest live webcam is Springfield › North-east: Lincoln Home National Historic Site, 27.1 miles E of Arnold.
Webcams: Windy.com. Distances in a straight line from Arnold.
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Map of Arnold, IL
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Arnold Street View
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Open in Google Maps ›Towns near Arnold
Other communities near Arnold
Questions about Arnold
Where is Arnold, IL?
Arnold is an unincorporated community in Morgan County, Illinois, 4.5 miles W of South Jacksonville.
What county is Arnold in?
Arnold is in Morgan County, Illinois.
What is the ZIP code of Arnold, IL?
The ZIP code for Arnold is 62650.
What is the nearest town to Arnold?
South Jacksonville, 4.5 miles away.
Are there webcams near Arnold?
Yes. The closest is Springfield › North-east: Lincoln Home National Historic Site, 27.1 miles away.
What is the hottest month in Arnold?
July, with an average high of 87°F (30°C).
What is the coldest month in Arnold?
January, with an average low of 18°F (-8°C).
How much does it rain in Arnold?
About 39.3 inches (997 mm) a year; the wettest month is June.
Does it snow in Arnold?
Yes, about 16 inches of snow fall in an average year.
When is the best time to visit Arnold?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Arnold have?
Hot-summer humid continental (Köppen Dfa).
Last updated: