Spotswood, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spotswood, a borough in Middlesex County, New Jersey.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind 0 to 5 mph.
7-day forecast for Spotswood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Tonight | 65°F | Mostly Cloudy | 0 to 5 mph E | 2% |
| Wednesday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 51% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 43% |
| Thursday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 34% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 43% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 37% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 37% |
| Sunday | 89°F | Mostly Sunny | 0 to 5 mph W | 14% |
| Sunday Night | 71°F | Mostly Clear | 0 to 5 mph SW | 14% |
| Monday | 91°F | Sunny | 0 to 5 mph W | 8% |
| Monday Night | 71°F | Partly Cloudy | 5 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Spotswood (40.394, -74.393). Updated through the day.
Growing snapshot for Spotswood
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
193 days
Hardiness zone
7a
More local growing data for Spotswood: nearby ZIP 08884 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
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Middlesex
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New Brunswick
Old Bridge
Climate data from the nearest NOAA station, New Brunswick 3 Se, Nj (5.7 mi from Spotswood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.