Postoak, TN
Unincorporated community in Roane County, Tennessee
Postoak is a small unincorporated community in Roane County, Tennessee. It is 2.5 miles W of Rockwood, the nearest town. Its ZIP code is 37854.
Postoak at a glance
- State
- Tennessee
- County
- Roane County
- ZIP code
- 37854
- Nearest town
- Rockwood (2.5 mi)
- Time zone
- America/New York
- Coordinates
- 35.8733, -84.6308
Weather in Postoak now
Loading the National Weather Service forecast…
Postoak weather by the hour
Postoak weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Postoak.
This week in Postoak
Sunrise, sunset and moon in Postoak
What is the weather usually like in Postoak?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 28°F average low
- 60.5 inprecipitation per year · 1,536 mm
- 2.0 insnowfall per year · 5 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Postoak: April–May and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ROCKWOOD 2, TN US (USC00407834), adjusted for the elevation of Postoak.
Postoak weather month by month
Sunrise and sunset in Postoak through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:46 AM | 5:49 PM | 10 h 3 min |
| February | 7:23 AM | 6:21 PM | 10 h 57 min |
| March | 7:47 AM | 7:47 PM | 11 h 59 min |
| April | 7:03 AM | 8:13 PM | 13 h 9 min |
| May | 6:31 AM | 8:38 PM | 14 h 7 min |
| June | 6:20 AM | 8:58 PM | 14 h 37 min |
| July | 6:32 AM | 8:56 PM | 14 h 24 min |
| August | 6:56 AM | 8:29 PM | 13 h 33 min |
| September | 7:20 AM | 7:47 PM | 12 h 27 min |
| October | 7:44 AM | 7:04 PM | 11 h 20 min |
| November | 7:13 AM | 5:32 PM | 10 h 19 min |
| December | 7:40 AM | 5:27 PM | 9 h 47 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Postoak?
Postoak has a humid subtropical climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 28°F (-2°C).
It gets about 60.5 inches (1,536 mm) of precipitation a year. The wettest month is December and the driest is October. Snow is common: about 2 inches fall in an average year.
The best time to visit Postoak is April–May and September–October. 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 Postoak
The closest live webcam is Maryville › North, 39.4 miles E of Postoak.
Webcams: Windy.com. Distances in a straight line from Postoak.
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Map of Postoak, TN
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Postoak Street View
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Open in Google Maps ›Towns near Postoak
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Questions about Postoak
Where is Postoak, TN?
Postoak is an unincorporated community in Roane County, Tennessee, 2.5 miles W of Rockwood.
What county is Postoak in?
Postoak is in Roane County, Tennessee.
What is the ZIP code of Postoak, TN?
The ZIP code for Postoak is 37854.
What is the nearest town to Postoak?
Rockwood, 2.5 miles away.
Are there webcams near Postoak?
Yes. The closest is Maryville › North, 39.4 miles away.
What is the hottest month in Postoak?
July, with an average high of 87°F (31°C).
What is the coldest month in Postoak?
January, with an average low of 28°F (-2°C).
How much does it rain in Postoak?
About 60.5 inches (1,536 mm) a year; the wettest month is December.
Does it snow in Postoak?
Yes, about 2 inches of snow fall in an average year.
When is the best time to visit Postoak?
April–May and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Postoak have?
Humid subtropical (Köppen Cfa).
Last updated: