Allendale, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Allendale, NJ in one place.
A chance of showers and thunderstorms after 5pm. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Southwest wind 2 to 10 mph. Chance of precipitation is 30%.
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: Apr 15, 2026 10:31 AM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Allendale, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 10:31 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Allendale
Today looks like the warmest upcoming period in Allendale at 88 degrees F.
Monday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Monday at about 12 to 16 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 10:31 AM 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
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 5am. Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. West wind 2 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Partly sunny, with a high near 87. Southwest wind 2 to 9 mph.
A slight chance of rain showers after 8pm. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 78 in the afternoon. West wind 3 to 8 mph. Chance of precipitation is 50%.
A chance of rain showers before 2am. Partly cloudy, with a low around 57. Chance of precipitation is 50%.
Partly sunny, with a high near 72.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Showers and thunderstorms likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 50. Chance of precipitation is 30%.
Mostly clear, with a low around 33.
Sunny, with a high near 59.
Partly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 15
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
2 to 10 mph
SW
|
|
Tonight
Apr 15
|
Chance Showers And Thunderstorms
|
65°F |
2 to 8 mph
W
|
|
Thursday
Apr 16
|
Partly Sunny
|
87°F |
2 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
64°F |
3 to 8 mph
SW
|
|
Friday
Apr 17
|
Chance Rain Showers
|
81°F |
3 to 8 mph
W
|
|
Friday Night
Apr 17
|
Chance Rain Showers
|
57°F |
2 to 6 mph
N
|
|
Saturday
Apr 18
|
Partly Sunny
|
72°F |
2 to 7 mph
E
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
51°F |
3 to 7 mph
SE
|
|
Sunday
Apr 19
|
Showers And Thunderstorms Likely
|
65°F |
5 to 12 mph
SW
|
|
Sunday Night
Apr 19
|
Showers And Thunderstorms Likely then Chance Rain And Snow Showers
|
38°F |
10 mph
NW
|
|
Monday
Apr 20
|
Chance Rain And Snow Showers then Mostly Sunny
|
50°F |
12 to 16 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
33°F |
6 to 13 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
59°F |
6 to 9 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
45°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allendale.