Brentwood, Nashville Weather
Brentwood weather this week
Over the next 7 days in Brentwood, daytime highs range from 12°C to 19°C and night-time lows from -1°C to 11°C. The warmest afternoon is likely on Thursday at 19°C, while the coolest night is expected tomorrow night at -1°C. Temperatures trend warmer through the week, rising by about 6°C.
No significant rain is expected in Brentwood this week. The highest rain chance is just 1%, on Thursday.
Winds stay mostly light this week, peaking at about 14 km/h today. UV levels stay moderate or lower, peaking at 4. Average humidity is a comfortable 55% or so.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Saturday) | Mainly clear | 12° / 0° | 0% | 0.0 mm | 14 km/h |
| Tomorrow (Sunday) | Mainly clear | 13° / -1° | 0% | 0.0 mm | 12 km/h |
| Monday | Partly cloudy | 13° / 0° | 0% | 0.0 mm | 10 km/h |
| Tuesday | Clear sky | 16° / 6° | 0% | 0.0 mm | 5 km/h |
| Wednesday | Overcast | 17° / 7° | 0% | 0.0 mm | 10 km/h |
| Thursday | Overcast | 19° / 8° | 1% | 0.0 mm | 7 km/h |
| Friday | Overcast | 19° / 11° | 0% | 0.0 mm | 5 km/h |
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Today's outlook for Brentwood
At 22:00 local time it is 3°C in Brentwood under clear skies, feeling like -1°C. Today's forecast high is 12°C and the low is 0°C, and the day overall looks mostly sunny. Rain is unlikely today (0% chance). Winds are blowing at about 6 km/h from the north-west. Humidity is 62%.
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Climate of Brentwood: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), August is usually the hottest month in Brentwood, with average daytime highs around 32°C. January is the coolest, when nights typically fall to about -2°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 34°C, so the seasons feel very different from each other.
The area receives about 1350 mm of rain in a typical year. Most of it falls from October to August (around 93% of the yearly total), and February is the wettest month at roughly 129 mm.
For outdoor plans and travel, September usually offers the most comfortable weather in Brentwood, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 7° | -2° | 102 mm | 84% |
| Feb | 9° | -1° | 129 mm | 84% |
| Mar | 15° | 4° | 115 mm | 83% |
| Apr | 21° | 9° | 128 mm | 80% |
| May | 25° | 14° | 129 mm | 80% |
| Jun | 29° | 19° | 102 mm | 77% |
| Jul | 31° | 21° | 124 mm | 74% |
| Aug | 32° | 20° | 102 mm | 70% |
| Sep | 29° | 16° | 92 mm | 70% |
| Oct | 22° | 9° | 101 mm | 72% |
| Nov | 15° | 3° | 100 mm | 76% |
| Dec | 9° | -1° | 126 mm | 84% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Brentwood. Values describe typical conditions, not a forecast.
About Brentwood weather
Brentwood is a place in Tennessee's humid subtropical climate, from the Mississippi lowlands to the Appalachian east, located about 258 km west of Knoxville. Brentwood gets hot, humid summers (June–August) with highs often above 32°C each year. Brentwood closes out the year with mild-to-cool winters (December–February), colder in the eastern highlands. This page shows live, auto-refreshing weather for Brentwood: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Brentwood is about 258 km west of Knoxville, in Tennessee.
Brentwood sees mild-to-cool winters (December–February), colder in the eastern highlands.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Brentwood's exact coordinates. No fixed schedule, the page updates whenever you load it.
August is usually the hottest month in Brentwood, with average daytime highs of about 32°C and nights around 20°C.
The coldest nights come in January, when the average low is about -2°C and daytime highs reach around 7°C. Frost is possible on clear, calm nights.
Brentwood receives about 1350 mm of rain in a typical year. February is the wettest month at roughly 129 mm, and the main rainy period is October to August.
September usually offers the most comfortable weather in Brentwood, with mild daytime temperatures and little rain.
In November Brentwood typically sees daytime highs near 15°C and lows near 3°C, with about 100 mm of rain over the month and average humidity around 76%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Brentwood updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Brentwood's day-to-day weather follows the broader pattern of Tennessee described above. See the hourly weather forecast or the air quality index for more detail.