Plainsboro Township Weather Forecast
- 65
- 88
Mostly Sunny
- 71
- 91
Mostly Sunny
- 72
- 90
Chance Thunderstorms
- 70
- 90
Thunderstorms Likely
- 69
- 88
Slight Chance Thunderstorms
- 68
- 86
Chance Thunderstorms
Today 5 Jul Middlesex
Mostly sunny. Hot with Highs in the upper 80s. Light and variable Winds, becoming southwest around 5 Mph this afternoon.
Tonight 5 Jul Middlesex
Mostly clear. Lows in the upper 60s. Southwest Winds around 5 Mph.
Plainsboro Township Temperature Statistics
July Temperature
Trenton, Mercer County Airport (12.4 miles)
Lowest 3 July, 2025
64.9 °FAverage July
76.2 °FHighest 1 July, 2025
89.1 °F
Climate (2020–Present)
Trenton, Mercer County Airport (12.4 miles)
Average Low 2020–2025
46.3 °FAverage 2020–2025
55.4 °FAverage High 2020–2025
64.4 °F