Nashville (KBNA) Temperature Market Guide
KBNA • Nashville International Airport
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Nashville International Airport (KBNA) offers a ForecastEx temperature market in Middle Tennessee. Located in the Nashville Basin surrounded by the Highland Rim, Nashville experiences a humid subtropical climate with four distinct seasons and a notable severe weather threat.
Quick Facts
| Station Code | KBNA |
|---|---|
| Location | Nashville, TN |
| Coordinates | 36.1245°N, 86.6782°W |
| Elevation | 599 ft (183 m) |
| Timezone | CT (America/Chicago) |
| NWS Office | Nashville (OHX) |
| Resolution Source | NWS CLI Report ↗ |
About the KBNA Weather Station
The KBNA ASOS is located at Nashville International Airport, approximately 8 miles southeast of downtown Nashville. At 599 feet elevation, the station sits in the Nashville Basin, a geologic depression surrounded by the higher Highland Rim.
This basin positioning can affect temperatures, as cold air can pool in the valley during calm, clear nights.
This basin positioning can affect temperatures, as cold air can pool in the valley during calm, clear nights.
Nashville Climate & Temperature Patterns
Nashville experiences a humid subtropical climate (Koppen: Cfa) with hot, humid summers and mild winters. The city sits in a transition zone between the Deep South and the Ohio Valley.
Key Climate Factors:
Gulf Moisture: Moisture from the Gulf of Mexico reaches Nashville easily, contributing to humidity and precipitation throughout the year.
Severe Weather: Nashville is located in "Dixie Alley," an area prone to tornadoes and severe thunderstorms, particularly in spring.
Basin Effect: The Nashville Basin can trap cold air during inversions.
Key Climate Factors:
Gulf Moisture: Moisture from the Gulf of Mexico reaches Nashville easily, contributing to humidity and precipitation throughout the year.
Severe Weather: Nashville is located in "Dixie Alley," an area prone to tornadoes and severe thunderstorms, particularly in spring.
Basin Effect: The Nashville Basin can trap cold air during inversions.
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Open Live DashboardSeasonal Trading Considerations
Winter (December - February):
Mild overall with average highs in the mid-40s to low 50s°F. Cold fronts bring temperature swings. Snow and ice are possible but not frequent.
Spring (March - May):
Highly variable with severe weather season peaking in April-May. Temperatures swing widely. Tornado threat is significant.
Summer (June - August):
Hot and humid with average highs in the upper 80s to low 90s°F. Heat waves can push temperatures toward 100°F.
Fall (September - November):
Pleasant with gradually cooling temperatures. September can still see summer-like heat.
Mild overall with average highs in the mid-40s to low 50s°F. Cold fronts bring temperature swings. Snow and ice are possible but not frequent.
Spring (March - May):
Highly variable with severe weather season peaking in April-May. Temperatures swing widely. Tornado threat is significant.
Summer (June - August):
Hot and humid with average highs in the upper 80s to low 90s°F. Heat waves can push temperatures toward 100°F.
Fall (September - November):
Pleasant with gradually cooling temperatures. September can still see summer-like heat.
Nashville-Specific Trading Tips
Watch for Severe Weather: Spring severe weather outbreaks can dramatically affect temperatures. Pre-storm warmth followed by post-storm cooling is common.
Gulf Return Flow: After cold fronts, southerly flow returns Gulf moisture. This transition often brings rapid warming.
Basin Cold Pooling: During calm, clear nights, the Nashville Basin can run several degrees cooler than surrounding areas.
Gulf Return Flow: After cold fronts, southerly flow returns Gulf moisture. This transition often brings rapid warming.
Basin Cold Pooling: During calm, clear nights, the Nashville Basin can run several degrees cooler than surrounding areas.
Market Resolution Details
Nashville temperature markets resolve based on the official high temperature in the NWS CLI for station KBNA, issued by the Nashville forecast office (OHX).
Resolution Source: NWS CLI (Climatological Report)
Reporting Period: 12:00 AM to 11:59 PM Central Standard Time.
Resolution Source: NWS CLI (Climatological Report)
Reporting Period: 12:00 AM to 11:59 PM Central Standard Time.
Data Release Schedule
Typical release times for key data products at KBNA. Times shown in UTC.
| Data Type | Typical Time (UTC) | Variability |
|---|---|---|
| CLI Report Daily climatological summary |
07:14 UTC | ±18 min |
| 24hr High METAR with max temp |
05:53 UTC | ±1 min |
| METAR Hourly observations |
Hourly at :53 | ±0 min |
| DSM #1 Daily summary message |
00:17 UTC | Issuance time |
| DSM #2 Daily summary message |
14:02 UTC | Issuance time |
| DSM #3 Daily summary message |
21:02 UTC | Issuance time |
| DSM #4 Daily summary message |
21:08 UTC | Issuance time |
6-Hour High/Low Reports
These METARs include 6-hour maximum and minimum temperatures, useful for tracking intraday temperature trends.
05:53 UTC
11:53 UTC
17:53 UTC
23:53 UTC
Note: Times are approximate and may vary. CLI reports are the official resolution source for temperature markets. See NWS Data Guide for more information.
Data Resources
Quick links to official data sources and tools for Nashville.
📊 NWS Data
🗄️ Iowa Environmental Mesonet
📈 Wethr.net Tools
Forecasting Challenges
Severe Weather Timing: Predicting when severe weather will affect the area and how it will impact temperatures is challenging.
Convective Coverage: Summer thunderstorm coverage varies significantly day to day.
Inversions: Overnight inversions in the basin can create unexpected temperature patterns.
Convective Coverage: Summer thunderstorm coverage varies significantly day to day.
Inversions: Overnight inversions in the basin can create unexpected temperature patterns.
Historical Temperature Records
Record High: 107°F recorded in June 2012 and July 2012.
Record Low: -17°F recorded in January 1985.
90°F+ Days: Nashville averages about 45-50 days per year at or above 90°F.
Tornado Risk: Nashville has been struck by significant tornadoes, including a damaging EF-3 in March 2020.
Record Low: -17°F recorded in January 1985.
90°F+ Days: Nashville averages about 45-50 days per year at or above 90°F.
Tornado Risk: Nashville has been struck by significant tornadoes, including a damaging EF-3 in March 2020.
📡 Official Data Sources
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