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Mahwah, NJ Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Saturday Night
Clear, with a low around 35.
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Sunday
Sunny, with a high near 64.
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Sunday Night
Clear, with a low around 39.
National Weather Service forecast updated 3 days ago.
Hourly
Hourly forecast- Now39°
- 1 AM38°
- 2 AM38°
- 3 AM38°
- 4 AM37°
- 5 AM37°
- 6 AM36°
- 7 AM35°
- 8 AM37°
- 9 AM42°
- 10 AM50°
- 11 AM56°
- 12 PM60°
- 1 PM62°
- 2 PM63°
- 3 PM64°
- 4 PM64°
- 5 PM63°
- 6 PM60°
- 7 PM56°
- 8 PM52°
- 9 PM49°
- 10 PM46°
- 11 PM44°
10-day forecast
Details- TonightOct 21Partly Cloudy42°
- ThuOct 22Sunny39°65°
- FriOct 23Sunny34°58°
- SatOct 24Areas Of Frost then Sunny35°60°
- TodayOct 25Sunny39°64°
- MonOct 26Sunny44°68°
- TueOct 27Sunny40°62°
- WedOct 28Mostly Sunny59°
- ThuOct 29Sunny45°61°
- FriOct 30Sunny44°63°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Mahwah
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- SunModerate (51)
- MonGood (47)
New York City Region, NY reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyCharlotteburg Reservoir, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Manhattan 37 km
- The Bronx 35 km
- Newark 39 km
- Jersey City 40 km
- Yonkers 27 km
- Paterson 19 km
- Greenburgh 26 km
- Clifton 26 km
- New Rochelle 36 km
- Passaic 26 km
- Union City 36 km
- Mount Vernon 32 km
Forecasters' discussion
From the National Weather Service office in OKX, issued 9 hrs ago
What Has Changed
Frost Advisory issued tonight for the CT coast and far eastern LI.
Key Messages
1) Frost Advisory in effect tonight for coastal CT and far eastern LI.
2) High pressure largely in control through the upcoming week.
Key Message 1
High pressure will remain over the area tonight with light winds and clear skies. Coastal CT and eastern portions of Suffolk County on LI will likely see another night of lows in the mid 30s and as low as 25 to 30 across the Pine Barrens region of LI. While the growing season has ended across the interior, it has yet to do so at the coast (Nov 1 or 11). Thus, a frost advisory in in effect for these areas once again. The only change this go around was to remove coastal Westchester.
Elsewhere, lows will range from the upper 20s across some of the interior, to as warm as the 40s across the NYC metro. These readings are about 3 to 5 degrees below normal for most locations.
Warm advection with building heights aloft should result in warmer temperatures Sunday night and less coverage of frost.
.KEY MESSAGE 2... An anomalously strong upper ridge from the Lower Mississippi Valley into the Great Lakes will translate east into Monday. A the same time, a strong upper low tracking across central and eastern Canada will suppress the upper ridge to the south, sending a cold front across the area Monday night. The frontal passage will be dry. Otherwise, the forecast area will be dominated by high pressure through the week.
Highs will be in the 60s Sunday and Monday, possibly getting to around 70 in the NYC/NJ metro on Monday. It will then cool down behind the cold front Monday night with highs mainly in the 50s for Tuesday and Wednesday. This will be a few degrees above normal. Frost coverage at the coast, where the growing season remains in effect, looks to be patchy at this time.
It warms up for the second half of the week with temperatures projecting to be well above normal by next Friday.
Outlook For 18z Sunday Through Thursday
Sunday-Thursday: VFR.
Detailed information, including hourly TAF wind component forecasts, can be found at: https:/www.weather.gov/zny/n90
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.