Eureka, TN
Unincorporated community in Johnson County, Tennessee
Eureka is a small unincorporated community in Johnson County, Tennessee. It is 5.4 miles N of Damascus, the nearest town. Its ZIP code is 37680.
Eureka at a glance
- State
- Tennessee
- County
- Johnson County
- ZIP code
- 37680
- Nearest town
- Damascus (5.4 mi)
- Time zone
- America/New York
- Coordinates
- 36.5561, -81.7697
Weather in Eureka now
Loading the National Weather Service forecast…
Eureka weather by the hour
Eureka weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Eureka.
This week in Eureka
Sunrise, sunset and moon in Eureka
What is the weather usually like in Eureka?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 82°F average high
- Januarycoldest month · 23°F average low
- 47.2 inprecipitation per year · 1,199 mm
- 12.0 insnowfall per year · 30 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Eureka: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MTN CITY 2, TN US (USC00406292), adjusted for the elevation of Eureka.
Eureka weather month by month
Sunrise and sunset in Eureka through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:36 AM | 5:36 PM | 9 h 59 min |
| February | 7:13 AM | 6:09 PM | 10 h 55 min |
| March | 7:36 AM | 7:35 PM | 11 h 59 min |
| April | 6:51 AM | 8:02 PM | 13 h 11 min |
| May | 6:18 AM | 8:28 PM | 14 h 10 min |
| June | 6:06 AM | 8:48 PM | 14 h 41 min |
| July | 6:19 AM | 8:46 PM | 14 h 27 min |
| August | 6:43 AM | 8:19 PM | 13 h 35 min |
| September | 7:08 AM | 7:36 PM | 12 h 27 min |
| October | 7:33 AM | 6:52 PM | 11 h 18 min |
| November | 7:03 AM | 5:19 PM | 10 h 16 min |
| December | 7:30 AM | 5:14 PM | 9 h 43 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Eureka?
Eureka has a oceanic climate. The warmest month is July, with an average high of 82°F (28°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 47.2 inches (1,199 mm) of precipitation a year. The wettest month is May and the driest is October. Snow is common: about 12 inches fall in an average year.
The best time to visit Eureka 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 Eureka
The closest live webcam is Abingdon: Scott Addition: US-11 - US-58 - Washington Co, 13.9 miles NW of Eureka.
Webcams: Windy.com. Distances in a straight line from Eureka.
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Map of Eureka, TN
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Eureka Street View
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Questions about Eureka
Where is Eureka, TN?
Eureka is an unincorporated community in Johnson County, Tennessee, 5.4 miles N of Damascus.
What county is Eureka in?
Eureka is in Johnson County, Tennessee.
What is the ZIP code of Eureka, TN?
The ZIP code for Eureka is 37680.
What is the nearest town to Eureka?
Damascus, 5.4 miles away.
Are there webcams near Eureka?
Yes. The closest is Abingdon: Scott Addition: US-11 - US-58 - Washington Co, 13.9 miles away.
What is the hottest month in Eureka?
July, with an average high of 82°F (28°C).
What is the coldest month in Eureka?
January, with an average low of 23°F (-5°C).
How much does it rain in Eureka?
About 47.2 inches (1,199 mm) a year; the wettest month is May.
Does it snow in Eureka?
Yes, about 12 inches of snow fall in an average year.
When is the best time to visit Eureka?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Eureka have?
Oceanic (Köppen Cfb).
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