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Westbury, NY Weather Tomorrow

Check tomorrow's weather in Westbury with a detailed 5 day forecast covering 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 Westbury area and around Nassau county, New York.
Updated: Sun Sep 13th 2026 2:30 PM EDT
Westbury, NY Weather – 9-13 – Scattered Showers
81° / 69°
Scattered Showers
In Westbury, showers likely at times with highs near 81°F and lows around 69°F. The chance of rain is 84% with an estimated 1.85in. Winds will be light at 9mph and gusts of 14.2mph at 10 PM. High humidity with average of 81% is anticipated, the maximum being 81% at 11 PM and 63% being its lowest at 5 PM. Barometric pressure is its highest of 29.88inHg at 9 PM, a lowest point of 29.85inHg at 4 PM with an avg 29.86inHg.
Westbury, NY Weather – 9-14 – Sunny
77° / 66°

Weather Tomorrow

Sunny
Westbury is set for sunshine with temperatures peaking at 77°F and dipping to 66°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Wind will be moderate, blowing around 15mph on average and gusts of 25.5mph at 4 AM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 82% at 1 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 30.24inHg at 11 PM, a lowest point of 29.84inHg at 2 AM with an avg 30.02inHg.
Westbury, NY Weather – 9-15 – Sunny
73° / 61°
Sunny
In Westbury, it will be sunny with highs near 73°F and lows around 61°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 11mph on average and gusts of 18.8mph at 5 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 60% at 11 PM and 37% being its lowest at 1 PM. Barometric pressure is its highest of 30.41inHg at 9 AM, a lowest point of 30.25inHg at 12 AM with an avg 30.35inHg.
Westbury, NY Weather – 9-16 – Sunny
77° / 65°
Sunny
Daytime highs will reach 77°F with lows dropping to 65°F in Westbury, where bright and sunny conditions. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 17.9mph at 6 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 69% at 11 PM and 45% being its lowest at 1 PM. Barometric pressure is its highest of 30.38inHg at 9 AM, a lowest point of 30.28inHg at 5 PM with an avg 30.34inHg.
Westbury, NY Weather – 9-17 – Sunny
82° / 69°
Sunny
Westbury may see sunshine, with daytime highs of 82°F and overnight lows near 69°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 13mph on average and gusts of 18.4mph at 11 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 78% at 9 PM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 12 AM, a lowest point of 30.08inHg at 5 PM with an avg 30.17inHg.
Westbury, NY Weather – 9-18 – Sunny
75° / 65°
Sunny
Sunshine is in the forecast for Westbury, with a high of 75°F and a low of 65°F. There's a very small chance of rainfall, only about 9% with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 21.5mph at 8 AM. The humidity will be on the higher side, averaging about 62%, the maximum being 79% at 2 AM and 41% being its lowest at 5 PM. Barometric pressure is its highest of 30.22inHg at 11 PM, a lowest point of 30.13inHg at 12 AM with an avg 30.17inHg.

Currently

Partly Cloudy 77°F
29.89 inHg.
Barometer
74%
Humidity
WNW 8.6 mph
Wind
Partly Cloudy

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