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Neptune, NJ Weather Tomorrow

Stay one step ahead with tomorrow's weather in Neptune and a reliable 5 day forecast including precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill across the Neptune area.
Updated: Tue Sep 29th 2026 10:00 AM EDT
Neptune, NJ Weather – 9-29 – Overcast
70° / 57°
Overcast
Neptune may see cloud-filled skies, with daytime highs of 70°F and overnight lows near 57°F. There's a moderate 29% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 13.7mph at 2 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 75% at 11 PM and 68% being its lowest at 2 PM. Barometric pressure is its highest of 30.06inHg at 10 PM, a lowest point of 29.99inHg at 3 PM with an avg 30.02inHg.
Neptune, NJ Weather – 9-30 – Sunny
76° / 58°

Weather Tomorrow

Sunny
In Neptune, it will be sunny with highs near 76°F and lows around 58°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 7mph and gusts of 13.2mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 86% at 7 AM and 53% being its lowest at 2 PM. Barometric pressure is its highest of 30.13inHg at 11 AM, a lowest point of 30.05inHg at 5 PM with an avg 30.08inHg.
Neptune, NJ Weather – 10-1 – Overcast
82° / 62°
Overcast
Daytime highs will reach 82°F with lows dropping to 62°F in Neptune, where it will be overcast. There might be light rainfall having a 14% chance. Wind will be moderate, blowing around 12mph on average and gusts of 30.2mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 90% at 7 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.09inHg at 2 AM, a lowest point of 29.98inHg at 5 PM with an avg 30.04inHg.
Neptune, NJ Weather – 10-2 – Sunny
84° / 59°
Sunny
Daytime highs will reach 84°F with lows dropping to 59°F in Neptune, where bright and sunny conditions. Rainfall predicted to have a 57% chance with an estimated 0.06in. Wind will be moderate, blowing around 14mph on average and gusts of 32mph at 1 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 84% at 6 PM and 50% being its lowest at 1 PM. Barometric pressure is its highest of 30.17inHg at 11 PM, a lowest point of 29.99inHg at 3 PM with an avg 30.03inHg.
Neptune, NJ Weather – 10-3 – Overcast
65° / 57°
Overcast
In Neptune, overcast is likely with a high near 65°F and a low around 57°F. Rainfall predicted to have a 62% chance with an estimated 0.09in. Wind will be moderate, blowing around 12mph on average and gusts of 19.9mph at 5 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 91% at 11 PM and 44% being its lowest at 2 PM. Barometric pressure is its highest of 30.32inHg at 11 AM, a lowest point of 30.18inHg at 12 AM with an avg 30.28inHg.
Neptune, NJ Weather – 10-4 – Moderate Or Heavy Rain Shower
66° / 54°
Moderate Or Heavy Rain Shower
In Neptune, periods of rain are likely with highs near 66°F and lows around 54°F. The chance of rain is 92% with an estimated 3.17in. Wind will be moderate, blowing around 17mph on average and gusts of 31.5mph at 8 AM. High humidity with average of 94% is anticipated, the maximum being 98% at 10 AM and 91% being its lowest at 9 PM. Barometric pressure is its highest of 30.28inHg at 12 AM, a lowest point of 29.88inHg at 3 PM with an avg 30.05inHg.

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