Jamesburg, NJ Weather Forecast for 5-Days

Updated: Fri Dec 5th 2025 1:15 AM EST

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Jamesburg, NJ Weather – 12-5 – Overcast
28° / 22°
Overcast
In Jamesburg, it will be overcast with highs near 28°F and lows around 22°F. Snow is likely with a 3% chance with an estimated 0in. Winds will be light at 10mph and gusts of 9.1mph at 2 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 87% at 10 PM and 51% being its lowest at 2 AM. Barometric pressure is its highest of 30.34inHg at 7 AM, a lowest point of 30.07inHg at 11 PM with an avg 30.23inHg.
Jamesburg, NJ Weather – 12-6 – Overcast
35° / 28°
Overcast
Daytime highs will reach 35°F with lows dropping to 28°F in Jamesburg, where it will be overcast. Winds will be light at 7mph and gusts of 8.5mph at 3 PM. High humidity with average of 92% is anticipated, the maximum being 96% at 10 PM and 88% being its lowest at 11 PM. Barometric pressure is its highest of 30.05inHg at 12 AM, a lowest point of 29.87inHg at 5 PM with an avg 29.96inHg.
Jamesburg, NJ Weather – 12-7 – Mist
36° / 25°
Mist
In Jamesburg, mist is likely with a high near 36°F and a low around 25°F. Winds will be light at 5mph and gusts of 9.1mph at 5 AM. High humidity with average of 87% is anticipated, the maximum being 96% at 8 AM and 62% being its lowest at 9 PM. Barometric pressure is its highest of 30.12inHg at 11 AM, a lowest point of 29.92inHg at 10 PM with an avg 30.03inHg.
Jamesburg, NJ Weather – 12-8 – Moderate Or Heavy Snow Showers
37° / 22°
Moderate Or Heavy Snow Showers
In Jamesburg, moderate Or Heavy Snow Showers are likely with a high near 37°F and a low around 22°F. The chance of rain is 87% with an estimated 0.1in. Wind will be moderate, blowing around 19mph on average and gusts of 24.2mph at 8 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 98% at 5 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.3inHg at 11 PM, a lowest point of 29.73inHg at 5 AM with an avg 30inHg.
Jamesburg, NJ Weather – 12-9 – Partly Cloudy
33° / 21°
Partly Cloudy
Overcast conditions are in the forecast for Jamesburg, with a high of 33°F and a low of 21°F. Wind will be moderate, blowing around 11mph on average and gusts of 15.4mph at 11 PM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 66% at 11 PM and 29% being its lowest at 2 PM. Barometric pressure is its highest of 30.3inHg at 12 AM, a lowest point of 30.07inHg at 11 PM with an avg 30.22inHg.
Jamesburg, NJ Weather – 12-10 – Scattered Showers
37° / 33°
Scattered Showers
Jamesburg could see scattered showers with daytime highs of 37°F and nighttime lows near 33°F. The chance of rain is 77% with an estimated 0.08in. Wind will be moderate, blowing around 11mph on average and gusts of 19.4mph at 11 PM. High humidity with average of 83% is anticipated, the maximum being 99% at 8 PM and 63% being its lowest at 5 AM. Barometric pressure is its highest of 30.06inHg at 12 AM, a lowest point of 29.54inHg at 11 PM with an avg 29.84inHg.

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