Florham Park, NJ Weather & Growing Conditions
This Afternoon
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 71 in the afternoon. Southeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 6 mph SE | 1% |
| Tonight | 57°F | Mostly Cloudy | 1 to 6 mph SE | 5% |
| Sunday | 71°F | Rain Showers | 2 to 8 mph SE | 94% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 3 to 9 mph W | 72% |
| Monday | 67°F | Chance Rain Showers then Partly Sunny | 7 to 12 mph N | 29% |
| Monday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 8 mph NE | 24% |
| Tuesday | 63°F | Chance Rain Showers | 12 mph NE | 30% |
| Tuesday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 12 mph NE | 26% |
| Wednesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 22% |
| Wednesday Night | 49°F | Chance Rain Showers | 13 mph NE | 30% |
| Thursday | 62°F | Chance Rain Showers | 13 to 16 mph NE | 33% |
| Thursday Night | 49°F | Chance Rain Showers | 9 to 14 mph N | 36% |
| Friday | 65°F | Chance Rain Showers | 10 to 14 mph N | 32% |
| Friday Night | 50°F | Chance Rain Showers | 8 to 13 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Florham Park, NJ
Last spring frost
Apr 18
First fall frost
Oct 27
Growing season
189 days
Hardiness zone
7a
Explore more for Florham Park, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Canoe Brook, Nj (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.