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Brentwood, TN Weather Tomorrow

Whether you're making plans for tomorrow or later this week, the Brentwood 5 day forecast includes precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Brentwood area and around Williamson county, Tennessee.
Updated: Sat Sep 12th 2026 8:30 AM CDT
Brentwood, TN Weather – 9-12 – Light Rain
88° / 74°
Light Rain
In Brentwood, rain is likely with a high near 88°F and a low around 74°F. The chance of rain is 79% with an estimated 0.65in. Winds will be light at 9mph and gusts of 12.1mph at 2 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 82% at 5 PM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 29.97inHg at 10 AM, a lowest point of 29.89inHg at 4 PM with an avg 29.94inHg.
Brentwood, TN Weather – 9-13 – Sunny
93° / 73°

Weather Tomorrow

Sunny
Highs will reach 93°F with lows near 73°F in Brentwood, where sunshine is. There's a very small chance of rainfall, only about 3%. Winds will be light at 4mph and gusts of 11.6mph at 3 AM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 82% at 6 AM and 32% being its lowest at 3 PM. Barometric pressure is its highest of 30.04inHg at 9 AM, a lowest point of 29.95inHg at 12 AM with an avg 30inHg.
Brentwood, TN Weather – 9-14 – Sunny
95° / 76°
Sunny
In Brentwood, bright and sunny conditions with highs near 95°F and lows around 76°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 5mph and gusts of 11.6mph at 10 AM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 65% at 6 AM and 33% being its lowest at 3 PM. Barometric pressure is its highest of 30.1inHg at 9 AM, a lowest point of 30inHg at 5 PM with an avg 30.05inHg.
Brentwood, TN Weather – 9-15 – Sunny
96° / 78°
Sunny
Brentwood could see a sunny day with daytime highs of 96°F and nighttime lows near 78°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 9mph and gusts of 23.1mph at 11 PM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 68% at 5 AM and 33% being its lowest at 3 PM. Barometric pressure is its highest of 30.15inHg at 10 PM, a lowest point of 30.04inHg at 12 AM with an avg 30.1inHg.
Brentwood, TN Weather – 9-16 – Sunny
95° / 77°
Sunny
In Brentwood, a sunny day is likely with a high near 95°F and a low around 77°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 11mph on average and gusts of 26.7mph at 7 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 74% at 7 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 30.25inHg at 10 AM, a lowest point of 30.13inHg at 5 PM with an avg 30.18inHg.
Brentwood, TN Weather – 9-17 – Sunny
94° / 76°
Sunny
A sunny day is in the forecast for Brentwood, with a high of 94°F and a low of 76°F. Rainfall predicted to have a 57% chance with an estimated 0.09in. Winds will be light at 6mph and gusts of 17.7mph at 4 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 86% at 11 PM and 42% being its lowest at 1 PM. Barometric pressure is its highest of 30.21inHg at 9 AM, a lowest point of 30.08inHg at 5 PM with an avg 30.14inHg.

Currently

Patchy Light Rain 77°F
29.95 inHg.
Barometer
87%
Humidity
SSW 11.5 mph
Wind
Patchy Light Rain

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