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Dayton, NJ Weather Tomorrow

Your Dayton weather tomorrow forecast is paired with a detailed 5 day outlook featuring daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details across the Dayton area and around Middlesex county, New Jersey.
Updated: Sat Aug 29th 2026 3:00 AM EDT
Dayton, NJ Weather – 8-29 – Sunny
81° / 60°
Sunny
In Dayton, bright and sunny conditions with highs near 81°F and lows around 60°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 9mph and gusts of 18.8mph at 4 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 83% at 7 AM and 34% being its lowest at 1 PM. Barometric pressure is its highest of 30.22inHg at 9 AM, a lowest point of 30.14inHg at 4 AM with an avg 30.18inHg.
Dayton, NJ Weather – 8-30 – Sunny
87° / 65°

Weather Tomorrow

Sunny
Dayton is set for sunshine with temperatures peaking at 87°F and dipping to 65°F. Rainfall predicted to have a 57% chance with an estimated 0.07in. Wind will be moderate, blowing around 11mph on average and gusts of 18.9mph at 9 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 93% at 11 PM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.2inHg at 8 AM, a lowest point of 30.04inHg at 6 PM with an avg 30.13inHg.
Dayton, NJ Weather – 8-31 – Overcast
86° / 68°
Overcast
Skies will be overcast in Dayton, with a high of 86°F and a low of 68°F. Rainfall predicted to have a 57% chance with an estimated 0.05in. Winds will be light at 7mph and gusts of 20mph at 12 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 95% at 3 AM and 45% being its lowest at 1 PM. Barometric pressure is its highest of 30.07inHg at 11 AM, a lowest point of 30.01inHg at 6 PM with an avg 30.04inHg.
Dayton, NJ Weather – 9-1 – Overcast
86° / 69°
Overcast
Daytime highs will reach 86°F with lows dropping to 69°F in Dayton, where skies will be overcast. Rainfall predicted to have a 72% chance with an estimated 0.09in. Winds will be light at 9mph and gusts of 17mph at 2 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 96% at 10 AM and 60% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 10 PM, a lowest point of 29.91inHg at 6 PM with an avg 29.99inHg.
Dayton, NJ Weather – 9-2 – Scattered Thunderstorms
87° / 70°
Scattered Thunderstorms
In Dayton, thunder and lightning are likely with highs near 87°F and lows around 70°F. The chance of rain is 90% with an estimated 0.69in. Winds will be light at 9mph and gusts of 16.8mph at 10 AM. High humidity with average of 87% is anticipated, the maximum being 99% at 6 AM and 62% being its lowest at 2 PM. Barometric pressure is its highest of 30.07inHg at 9 AM, a lowest point of 29.89inHg at 11 PM with an avg 29.98inHg.
Dayton, NJ Weather – 9-3 – Light Rain Shower
88° / 70°
Light Rain Shower
Dayton is set for rain with temperatures peaking at 88°F and dipping to 70°F. The chance of rain is 76% with an estimated 0.2in. Wind will be moderate, blowing around 12mph on average and gusts of 21.3mph at 2 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 98% at 5 AM and 56% being its lowest at 5 PM. Barometric pressure is its highest of 29.92inHg at 2 AM, a lowest point of 29.77inHg at 5 PM with an avg 29.85inHg.

Currently

Clear 63°F
30.13 inHg.
Barometer
76%
Humidity
N 10.4 mph
Wind
Clear

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