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Gallatin, TN 37066 Weather
Current conditions
Observed at Portland Municipal Airport · 28 min ago
Forecast
10-day-
Overnight
Clear, with a low around 45. Northeast wind around 0 mph.
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Wednesday
Sunny, with a high near 76. Northeast wind 0 to 5 mph.
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Wednesday Night
Clear, with a low around 45. North northeast wind 0 to 5 mph.
National Weather Service forecast updated 2 hrs ago.
Hourly
Hourly forecast- Now48°
- 4 AM47°
- 5 AM45°
- 6 AM45°
- 7 AM45°
- 8 AM47°
- 9 AM52°
- 10 AM60°
- 11 AM65°
- 12 PM70°
- 1 PM73°
- 2 PM75°
- 3 PM75°
- 4 PM76°
- 5 PM73°
- 6 PM70°
- 7 PM65°
- 8 PM59°
- 9 PM57°
- 10 PM55°
- 11 PM53°
- Thu12 AM52°
- 1 AM50°
- 2 AM49°
10-day forecast
Details- TonightOct 20Clear45°
- TodayOct 21Sunny45°76°
- ThuOct 22Sunny45°75°
- FriOct 23Sunny46°75°
- SatOct 24Sunny46°75°
- SunOct 25Sunny46°75°
- MonOct 26Mostly Sunny48°75°
- TueOct 27Mostly Sunny75°
- WedOct 28Cloudy0.04 in54°72°
- ThuOct 29Partly cloudy47°63°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Gallatin
More weather news-
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- WedGood (50)
- ThuModerate (51)
Nashville, TN reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyLebanon, records since 1902. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Nashville 38 km
- Hendersonville 17 km
- Smyrna 45 km
- Brentwood 49 km
- Hermitage 26 km
- La Vergne 43 km
- Mount Juliet 21 km
- Lebanon 24 km
- Goodlettsville 24 km
- Springfield 41 km
- Portland 23 km
- White House 20 km
Forecasters' discussion
From the National Weather Service office in OHX, issued 2 hrs ago
Key Messages
Updated at 1256 AM CDT Wed Oct 21 2026
- Mild, sunny days and cool, clear nights will continue for the foreseeable future.
- No rain is expected for at least the next 7 days, and likely longer.
- Drought conditions are going to worsen.
Short Term
(Tonight through Thursday Night) Issued at 1056 PM CDT Tue Oct 20 2026
A surface ridge remains situated to the north and west of Middle Tennessee this evening, and will take its time sliding across the region during the next couple of days. The atmosphere will remain dry and stable, with abundant sunshine and no rain in sight.
Long Term
(Friday through next Wednesday) Issued at 1056 PM CDT Tue Oct 20 2026
The arid conditions are unlikely to improve any time soon. Indeed, it is unclear when our next rain chances might occur. The latest NBM has scant rain chances across the mid state even out through day 10. Temperatures will remain very stable throughout the 7-day forecast, with cool nights and mild afternoons. Unfortunately, the drought conditions will continue to worsen.
Aviation
(06Z TAFS) Issued at 1256 AM CDT Wed Oct 21 2026
TAFs are VFR with exception to SRB and CSV where overnight patchy fog may bring brief vis reductions. Winds are NNE tomorrow at 5-7 kts.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.