Johnston City, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Johnston City now
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Johnston City weather by the hour
Johnston City weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Johnston City.
This week in Johnston City
Sunrise, sunset and moon in Johnston City
What is the weather usually like in Johnston City?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 24°F average low
- 45.9 inprecipitation per year · 1,167 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Johnston City: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BENTON 2 N, IL US (USC00110608), adjusted for the elevation of Johnston City.
Johnston City weather month by month
Sunrise and sunset in Johnston City through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:08 AM | 5:02 PM | 9 h 53 min |
| February | 6:43 AM | 5:35 PM | 10 h 52 min |
| March | 7:04 AM | 7:04 PM | 11 h 59 min |
| April | 6:18 AM | 7:32 PM | 13 h 14 min |
| May | 5:43 AM | 8:00 PM | 14 h 16 min |
| June | 5:31 AM | 8:20 PM | 14 h 49 min |
| July | 5:44 AM | 8:19 PM | 14 h 34 min |
| August | 6:10 AM | 7:50 PM | 13 h 40 min |
| September | 6:36 AM | 7:05 PM | 12 h 28 min |
| October | 7:03 AM | 6:19 PM | 11 h 16 min |
| November | 6:34 AM | 4:45 PM | 10 h 10 min |
| December | 7:02 AM | 4:39 PM | 9 h 36 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Johnston City?
Johnston City has a humid subtropical climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 24°F (-4°C).
It gets about 45.9 inches (1,167 mm) of precipitation a year. The wettest month is April and the driest is February.
The best time to visit Johnston City is May–June and September–October. At 440 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 Johnston City
Weather in towns near Johnston City
Questions about the weather in Johnston City
What is the hottest month in Johnston City?
July, with an average high of 88°F (31°C).
What is the coldest month in Johnston City?
January, with an average low of 24°F (-4°C).
How much does it rain in Johnston City?
About 45.9 inches (1,167 mm) a year; the wettest month is April.
Does it snow in Johnston City?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Johnston City?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Johnston City have?
Humid subtropical (Köppen Cfa).
What is the weather like in Johnston City in November?
Highs average 55°F and lows 37°F, with about 4.0 inches of precipitation.
What time is sunrise in Johnston City?
Around 6:34 AM in mid-November, and sunset around 4:45 PM. Today’s exact times are shown above.
Where does this Johnston City weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Johnston City.
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