Milltown, NJ Weather & Growing Conditions
Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. Southwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 75°F | Sunny | 0 to 5 mph SW | 2% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 mph S | 1% |
| Thursday | 74°F | Chance Light Rain | 5 mph S | 38% |
| Thursday Night | 61°F | Light Rain | 0 to 5 mph SW | 75% |
| Friday | 70°F | Light Rain | 0 mph | 86% |
| Friday Night | 51°F | Light Rain | 0 mph | 86% |
| Saturday | 65°F | Mostly Sunny | 5 mph W | 13% |
| Saturday Night | 41°F | Slight Chance Light Rain | 5 mph W | 16% |
| Sunday | 60°F | Mostly Sunny | 5 mph W | 8% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph W | 5% |
| Monday | 59°F | Sunny | 5 to 10 mph W | 8% |
| Monday Night | 36°F | Mostly Clear | 5 mph W | 7% |
| Tuesday | 62°F | Sunny | 5 to 10 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Milltown, NJ
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
193 days
Hardiness zone
7a
Explore more for Milltown, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, New Brunswick 3 Se, Nj (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.