Demarest, NJ Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Demarest, NJ in one place.
A chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. East wind 2 to 8 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Demarest, 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: Aug 4, 2026 5:23 PM EDT.
The active forecast window currently covers Aug 5 to Aug 10, 2026 for Demarest, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 5 to Aug 10, 2026
- Latest sync
- Aug 4, 2026 5:23 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Demarest
Friday looks like the warmest upcoming period in Demarest at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Monday at about 5 to 12 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 4, 2026 5:23 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 3 to 8 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Southwest wind 3 to 9 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 75. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.
Sunny, with a high near 90.
Partly cloudy, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 5
|
Partly Sunny then Chance Showers And Thunderstorms
|
83°F |
2 to 8 mph
E
|
|
Wednesday Night
Aug 5
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
73°F |
3 to 8 mph
S
|
|
Thursday
Aug 6
|
Partly Sunny then Chance Showers And Thunderstorms
|
89°F |
3 to 9 mph
SW
|
|
Thursday Night
Aug 6
|
Chance Showers And Thunderstorms then Partly Cloudy
|
75°F |
5 to 8 mph
SW
|
|
Friday
Aug 7
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
5 to 8 mph
SW
|
|
Friday Night
Aug 7
|
Chance Showers And Thunderstorms
|
74°F |
6 mph
SW
|
|
Saturday
Aug 8
|
Partly Sunny then Chance Showers And Thunderstorms
|
87°F |
5 to 9 mph
SW
|
|
Saturday Night
Aug 8
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
73°F |
5 to 8 mph
W
|
|
Sunday
Aug 9
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
5 to 8 mph
W
|
|
Sunday Night
Aug 9
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
74°F |
5 to 8 mph
SW
|
|
Monday
Aug 10
|
Sunny
|
90°F |
5 to 12 mph
W
|
|
Monday Night
Aug 10
|
Partly Cloudy
|
74°F |
6 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Demarest.