Long Valley, NJ Weather & Growing Conditions
Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 0 to 5 mph SW | 1% |
| Tonight | 56°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph S | 2% |
| Thursday | 70°F | Light Rain Likely | 5 mph S | 59% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 79% |
| Friday | 69°F | Light Rain Likely | 0 mph | 71% |
| Friday Night | 50°F | Light Rain Likely | 0 mph | 71% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Light Rain | 5 mph NW | 20% |
| Saturday Night | 43°F | Slight Chance Light Rain | 5 mph W | 20% |
| Sunday | 58°F | Mostly Sunny | 5 mph NW | 8% |
| Sunday Night | 38°F | Partly Cloudy | 5 mph W | 5% |
| Monday | 57°F | Sunny | 5 to 10 mph W | 8% |
| Monday Night | 37°F | Mostly Clear | 5 mph W | 6% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 4% |
| Tuesday Night | 38°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Long Valley, NJ
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
6b
Explore more for Long Valley, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Somerville Somerset Ap, Nj (12.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.