Martinsville, NJ Weather Tomorrow

Check tomorrow's local weather for Martinsville and explore a complete 5 day forecast covering daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Martinsville area and around Somerset county, New Jersey.
Updated: Thu Sep 17th 2026 12:45 AM EDT
Martinsville, NJ Weather – 9-17 – Sunny
86° / 67°
Sunny
Daytime highs will reach 86°F with lows dropping to 67°F in Martinsville, where it will be sunny. There's a very small chance of rainfall, only about 8% with an estimated 0in. Winds will be light at 9mph and gusts of 17.8mph at 10 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 81% at 6 AM and 46% being its lowest at 2 PM. Barometric pressure is its highest of 30.27inHg at 1 AM, a lowest point of 30.07inHg at 6 PM with an avg 30.18inHg.
Martinsville, NJ Weather – 9-18 – Overcast
83° / 68°

Weather Tomorrow

Overcast
Martinsville could see overcast with daytime highs of 83°F and nighttime lows near 68°F. There's a very small chance of rainfall, only about 10% with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 20.4mph at 9 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 88% at 5 AM and 33% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 11 PM, a lowest point of 30.04inHg at 3 PM with an avg 30.08inHg.
Martinsville, NJ Weather – 9-19 – Overcast
69° / 60°
Overcast
In Martinsville, skies will be overcast with highs near 69°F and lows around 60°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 9mph and gusts of 18.3mph at 2 PM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 67% at 11 PM and 36% being its lowest at 3 PM. Barometric pressure is its highest of 30.24inHg at 11 AM, a lowest point of 30.14inHg at 1 AM with an avg 30.19inHg.
Martinsville, NJ Weather – 9-20 – Light Rain
69° / 61°
Light Rain
In Martinsville, rain showers are likely with a high near 69°F and a low around 61°F. The chance of rain is 93% with an estimated 0.94in. Wind will be moderate, blowing around 12mph on average and gusts of 31.3mph at 3 PM. High humidity with average of 91% is anticipated, the maximum being 98% at 9 PM and 67% being its lowest at 12 AM. Barometric pressure is its highest of 30.17inHg at 12 AM, a lowest point of 29.83inHg at 4 PM with an avg 29.96inHg.
Martinsville, NJ Weather – 9-21 – Overcast
68° / 55°
Overcast
Skies will be overcast in Martinsville, with a high of 68°F and a low of 55°F. Rainfall predicted to have a 61% chance with an estimated 0.1in. Wind will be moderate, blowing around 11mph on average and gusts of 30.4mph at 6 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 97% at 12 AM and 40% being its lowest at 2 PM. Barometric pressure is its highest of 30.24inHg at 11 PM, a lowest point of 29.92inHg at 12 AM with an avg 30.11inHg.
Martinsville, NJ Weather – 9-22 – Cloudy
67° / 55°
Cloudy
Daytime highs will reach 67°F with lows dropping to 55°F in Martinsville, where skies will be cloudy. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 11mph on average and gusts of 19.5mph at 8 AM. The humidity will be on the higher side, averaging about 62%, the maximum being 72% at 12 AM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 30.45inHg at 10 PM, a lowest point of 30.25inHg at 12 AM with an avg 30.36inHg.

Currently

Clear 69°F
30.27 inHg.
Barometer
76%
Humidity
SW 6.1 mph
Wind
Clear

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