Westfield, NJ Weather Tomorrow

Keep up with changing weather in Westfield using tomorrow's forecast and the next 5 days of 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 Westfield area and around Union county, New Jersey.
Updated: Wed Sep 23rd 2026 4:00 PM EDT
Westfield, NJ Weather – 9-23 – Overcast
67° / 51°
Overcast
Cloud-filled skies are in the forecast for Westfield, with a high of 67°F and a low of 51°F. There might be light rainfall having a 11% chance. Wind will be moderate, blowing around 14mph on average and gusts of 22.2mph at 11 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 61% at 11 PM and 45% being its lowest at 5 PM. Barometric pressure is its highest of 30.45inHg at 9 PM, a lowest point of 30.4inHg at 5 PM with an avg 30.43inHg.
Westfield, NJ Weather – 9-24 – Sunny
67° / 48°

Weather Tomorrow

Sunny
Bright and sunny conditions in Westfield, with a high of 67°F and a low of 48°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 13mph on average and gusts of 28.2mph at 11 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 77% at 7 AM and 34% being its lowest at 4 PM. Barometric pressure is its highest of 30.45inHg at 12 AM, a lowest point of 30.28inHg at 11 PM with an avg 30.38inHg.
Westfield, NJ Weather – 9-25 – Sunny
70° / 51°
Sunny
It will be sunny in Westfield, with a high of 70°F and a low of 51°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 15mph on average and gusts of 34.3mph at 7 AM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 62% at 7 AM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 30.27inHg at 12 AM, a lowest point of 30.02inHg at 11 PM with an avg 30.12inHg.
Westfield, NJ Weather – 9-26 – Sunny
75° / 52°
Sunny
Westfield could see a sunny day with daytime highs of 75°F and nighttime lows near 52°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 11mph on average and gusts of 23mph at 1 AM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 78% at 7 AM and 31% being its lowest at 2 PM. Barometric pressure is its highest of 30.02inHg at 1 AM, a lowest point of 29.86inHg at 5 PM with an avg 29.94inHg.
Westfield, NJ Weather – 9-27 – Overcast
70° / 55°
Overcast
Highs will reach 70°F with lows near 55°F in Westfield, where overcast is. There might be light rainfall having a 22% chance with an estimated 0in. Wind will be moderate, blowing around 14mph on average and gusts of 28.3mph at 7 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 77% at 10 AM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 29.88inHg at 1 AM, a lowest point of 29.8inHg at 5 PM with an avg 29.84inHg.
Westfield, NJ Weather – 9-28 – Sunny
72° / 54°
Sunny
Sunshine is in the forecast for Westfield, with a high of 72°F and a low of 54°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 9mph and gusts of 21.2mph at 8 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 85% at 5 AM and 50% being its lowest at 3 PM. Barometric pressure is its highest of 29.98inHg at 11 PM, a lowest point of 29.87inHg at 5 AM with an avg 29.91inHg.

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