Jefferson, NJ Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Jefferson, NJ in one place.
Mostly cloudy, with a low around 66. Northeast wind around 5 mph.
Local Weather Overview
This forecast page for Jefferson, NJ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 12, 2026 2:12 AM EDT.
The active forecast window currently covers Jul 12 to Jul 18, 2026 for Jefferson, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 12 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 2:12 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson
Wednesday looks like the warmest upcoming period in Jefferson at 97 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 10 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 2:12 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 85. East wind around 5 mph.
Partly cloudy, with a low around 64. East wind 0 to 5 mph.
Mostly sunny, with a high near 84. Southeast wind 0 to 5 mph.
Mostly clear, with a low around 64. Southwest wind 0 to 5 mph.
Sunny, with a high near 89.
Clear, with a low around 72.
Sunny, with a high near 97.
Mostly clear, with a low around 74.
Sunny, with a high near 93.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
A chance of rain showers. Mostly sunny, with a high near 91.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 12
|
Mostly Cloudy
|
66°F |
5 mph
NE
|
|
Sunday
Jul 12
|
Mostly Sunny
|
85°F |
5 mph
E
|
|
Sunday Night
Jul 12
|
Partly Cloudy
|
64°F |
0 to 5 mph
E
|
|
Monday
Jul 13
|
Mostly Sunny
|
84°F |
0 to 5 mph
SE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
64°F |
0 to 5 mph
SW
|
|
Tuesday
Jul 14
|
Sunny
|
89°F |
0 to 10 mph
SW
|
|
Tuesday Night
Jul 14
|
Clear
|
72°F |
5 to 10 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
97°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
74°F |
5 to 10 mph
NW
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
5 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
73°F |
5 mph
W
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
W
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
72°F |
5 mph
NW
|
|
Saturday
Jul 18
|
Chance Rain Showers
|
91°F |
5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jefferson.
