Piscataway, NJ Weather Tomorrow

See what tomorrow's weather has in store for Piscataway with a reliable 5 day forecast featuring 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 Piscataway area and around Middlesex county, New Jersey.
Updated: Mon Sep 14th 2026 9:30 AM EDT
Piscataway, NJ Weather – 9-14 – Sunny
75° / 62°
Sunny
Bright and sunny conditions in Piscataway, with a high of 75°F and a low of 62°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 12mph on average and gusts of 22.6mph at 9 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 52% at 10 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 30.26inHg at 11 PM, a lowest point of 30.06inHg at 10 AM with an avg 30.13inHg.
Piscataway, NJ Weather – 9-15 – Sunny
73° / 57°

Weather Tomorrow

Sunny
It will be sunny in Piscataway, with a high of 73°F and a low of 57°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 7mph and gusts of 19.5mph at 12 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 71% at 11 PM and 38% being its lowest at 3 PM. Barometric pressure is its highest of 30.41inHg at 11 AM, a lowest point of 30.26inHg at 2 AM with an avg 30.34inHg.
Piscataway, NJ Weather – 9-16 – Overcast
79° / 59°
Overcast
Daytime highs will reach 79°F with lows dropping to 59°F in Piscataway, where skies will be overcast. There might be light rainfall having a 13% chance. Winds will be light at 6mph and gusts of 11mph at 7 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 81% at 7 AM and 46% being its lowest at 2 PM. Barometric pressure is its highest of 30.41inHg at 10 AM, a lowest point of 30.3inHg at 6 PM with an avg 30.36inHg.
Piscataway, NJ Weather – 9-17 – Sunny
85° / 65°
Sunny
Bright and sunny conditions in Piscataway, with a high of 85°F and a low of 65°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 8mph and gusts of 18.6mph at 11 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 82% at 6 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 30.33inHg at 12 AM, a lowest point of 30.15inHg at 6 PM with an avg 30.25inHg.
Piscataway, NJ Weather – 9-18 – Sunny
78° / 63°
Sunny
In Piscataway, it will be sunny with highs near 78°F and lows around 63°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Winds will be light at 10mph and gusts of 18.6mph at 12 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 83% at 7 AM and 41% being its lowest at 1 PM. Barometric pressure is its highest of 30.25inHg at 11 PM, a lowest point of 30.11inHg at 6 AM with an avg 30.18inHg.
Piscataway, NJ Weather – 9-19 – Sunny
72° / 62°
Sunny
Bright and sunny conditions in Piscataway, with a high of 72°F and a low of 62°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 11mph on average and gusts of 15.7mph at 8 AM. The humidity will be on the higher side, averaging about 62%, the maximum being 76% at 12 AM and 46% being its lowest at 2 PM. Barometric pressure is its highest of 30.25inHg at 2 AM, a lowest point of 30.13inHg at 11 PM with an avg 30.2inHg.

Currently

Sunny 67°F
30.04 inHg.
Barometer
62%
Humidity
NNW 17.6 mph
Wind
Sunny

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