Jersey City, NJ Weather
Jersey City hourly forecast: next 24 hours
Today's high of 74°F (23°C) is about 3°F (2°C) below the typical September high of 77°F (25°C).
Current conditions in detail
Jersey City weather tomorrow (Wednesday, September 16)
Tomorrow in Jersey City looks partly cloudy, with a high of 78° and an overnight low of 64°. Rain is unlikely (8% chance). Winds top out near 8 mph, and the UV index reaches 6 (high).
Jersey City 14-day forecast
About the weather in Jersey City
A 24°C spread between its warmest and coolest months puts Jersey City among the more strongly seasonal places we cover. July averages 85°F (30°C) by day; January averages 40°F (4°C), with nights at 26°F (-3°C).
Jersey City weather: quick facts
- Hottest month: July - highs near 85°F (30°C)
- Coldest month: January - highs near 40°F (4°C)
- Decade extremes (2015-2024): 100°F (38°C) high · -8°F (-22°C) low
- Wettest month: July (13 rainy days) · Sunniest: July (11.6 h sun/day)
- Climate type: humid subtropical
- Annual swing: 24°C between the average warmest and coolest month · day to night: 9°C
- Snow: about 10 days a year
- Months with freezing average lows: 3
- Average humidity: 71%
Temperatures through the year
The wettest month is July (5.5 inches (140 mm) across 13 days) and the driest November. January bottoms out at 40°F (4°C) in daylight, 26°F (-3°C) after dark. At its warmest, in July, Jersey City runs to 85°F (30°C) in the afternoon and back to 69°F (21°C) by dawn. Between the average July and the average January lie 24°C, a wider spread than roughly 81% of the cities we track.
Rain, sun and snow
Snow falls on roughly 10 days a year, mostly December through March. The gridded 2015-2024 daily record for this location tops out at 100°F (38°C) and bottoms at -8°F (-22°C) - decade extremes, not all-time station records.
Season by season
Spring (March through May)
Through spring, Jersey City is crisp but comfortable: 60°F (16°C) by day, 43°F (6°C) after dark, and rain falls on around 34 of the 90 days, plus about 3 snowy days.
Summer (June through August)
Summer runs hot here - highs near 83°F (28°C), nights near 67°F (19°C), and rain falls on around 36 of the 90 days. Daylight is generous - around 11.2 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Fall is crisp but comfortable here - highs near 66°F (19°C), nights near 51°F (10°C), and expect showers on roughly 27 days across the season.
Winter (December through February)
Winter in Jersey City is chilly, with daytime highs averaging 42°F (6°C) and nights around 28°F (-2°C); rain falls on around 30 of the 90 days, plus about 8 snowy days.
Average temperatures in Jersey City by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 40° | 26° | 10 | 3.9 in | 6.1 h/day | 67% |
| February | 43° | 26° | 10 | 3.6 in | 6.9 h/day | 69% |
| March | 50° | 33° | 10 | 4.5 in | 8.2 h/day | 66% |
| April | 60° | 42° | 12 | 4.2 in | 8.8 h/day | 67% |
| May | 70° | 53° | 12 | 3.7 in | 9.9 h/day | 71% |
| June | 79° | 62° | 11 | 3.9 in | 11.1 h/day | 71% |
| July | 85° | 69° | 13 | 5.5 in | 11.6 h/day | 73% |
| August | 83° | 68° | 12 | 4.5 in | 10.9 h/day | 74% |
| September | 77° | 62° | 10 | 4.7 in | 9.1 h/day | 75% |
| October | 66° | 51° | 9 | 4.9 in | 7.8 h/day | 74% |
| November | 54° | 39° | 9 | 3.0 in | 7.1 h/day | 70% |
| December | 45° | 32° | 11 | 4.5 in | 5.6 h/day | 73% |