Allendale, NJ Weather Forecast
Local 7-day forecast
Areas Of Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Allendale, NJ in one place.
Areas of smoke between 9am and 5pm. Sunny, with a high near 99. Heat index values as high as 103. West wind 7 to 13 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Allendale, 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 14, 2026 9:26 PM EDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Allendale, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 9:26 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Allendale
Wednesday looks like the warmest upcoming period in Allendale at 99 degrees F.
Friday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Wednesday at about 7 to 13 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 9:26 PM EDT
- Coverage
- 7 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
Patchy smoke between 7pm and 8pm, then smoke and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Heat index values as high as 100. Northwest wind 3 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Patchy smoke before 9am. Mostly sunny, with a high near 91. West wind 3 to 12 mph, with gusts as high as 23 mph.
Mostly clear, with a low around 72. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.
Mostly sunny, with a high near 89.
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
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 69. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Areas Of Smoke
|
99°F |
7 to 13 mph
W
|
|
Wednesday Night
Jul 15
|
Smoke
|
74°F |
3 to 12 mph
NW
|
|
Thursday
Jul 16
|
Patchy Smoke then Mostly Sunny
|
91°F |
3 to 12 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
5 to 10 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
89°F |
7 mph
NW
|
|
Friday Night
Jul 17
|
Partly Cloudy then Chance Showers And Thunderstorms
|
69°F |
2 to 7 mph
N
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
82°F |
2 to 8 mph
W
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
70°F |
7 mph
SW
|
|
Sunday
Jul 19
|
Chance Rain Showers
|
86°F |
8 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
69°F |
3 to 7 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
3 to 8 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
70°F |
3 to 8 mph
SW
|
|
Tuesday
Jul 21
|
Chance Rain Showers
|
87°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allendale.