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Mercerville, NJ Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Friday Night
Areas of frost after 11pm. Partly cloudy, with a low around 34. Northeast wind around 5 mph.
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Saturday
Areas of frost before 9am. Mostly sunny, with a high near 62. East wind 0 to 5 mph.
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Saturday Night
Areas of frost after midnight. Mostly clear, with a low around 35.
National Weather Service forecast updated 1 day ago.
Hourly
Hourly forecast- Now36°
- 5 AM35°
- 6 AM34°
- 7 AM34°
- 8 AM35°
- 9 AM40°
- 10 AM47°
- 11 AM53°
- 12 PM57°
- 1 PM59°
- 2 PM60°
- 3 PM62°
- 4 PM62°
- 5 PM60°
- 6 PM56°
- 7 PM51°
- 8 PM46°
- 9 PM43°
- 10 PM41°
- 11 PM40°
- Sun12 AM39°
- 1 AM38°
- 2 AM38°
- 3 AM37°
Daily forecast
Details- ThuOct 22Sunny40°67°
- FriOct 23Sunny34°60°
- TodayOct 24Areas Of Frost then Mostly Sunny35°62°
- SunOct 25Areas Of Frost then Sunny37°65°
- MonOct 26Sunny45°68°
- TueOct 27Mostly Sunny44°67°
- WedOct 28Partly Sunny44°63°
- ThuOct 29Cloudy0.50 in49°64°
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 in New Jersey
More weather news-
Sunshine Sticks Around New Jersey, but Cooler Days Arrive Before the WeekendHome » New Jersey » Sunshine Sticks Around New Jersey, but Cooler Days Arrive Before the Weekend New Jersey, Weather Report NEW JERSEY — Sunshine dominates the forecast from Tuesday, October 20, through Saturday…
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Coastal flooding threat looms for New Jersey, Delaware as nor'easter develops offshoreA developing nor'easter off the Carolina coast is expected to stay offshore but will still bring high winds, heavy surf, and possible coastal flooding along the Jersey Shore and Delaware beaches this week. PHILADELPHIA…
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New Jersey nor’easter threat grows as N.C. orders evacuations tonightThe freeze is only the first part of the forecast. Forecasters are also watching a slow moving nor’easter that could bring days of coastal flooding to the Jersey Shore next week. The warning covers Hunterdon, Morris…
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Bryan Norcross: Impactful nor'easter possible next week from North Carolina to New JerseyA strong cold front is powering off the East Coast today. The coldest air of the year will blow in behind it. The front will push down the Florida Peninsula, but only slowly ease across South Florida, where heavy rain…
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El Niño: When the Pacific makes waves in New JerseyYou’ve probably heard that El Niño, a natural climate pattern that begins when warm ocean water develops in the tropical Pacific, is unfolding right now. El Niño is expected to strengthen through the fall and have its…
Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- SatModerate (55)
- SunModerate (65)
- MonModerate (65)
Central, NJ reporting area · 2 hrs ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyTrenton Area, records since 1865. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Philadelphia 51 km
- Edison 39 km
- Trenton 5 km
- Toms River 52 km
- Camden 51 km
- Brick 51 km
- Cherry Hill 45 km
- Middletown 51 km
- Bensalem 27 km
- New Brunswick 34 km
- Piscataway 38 km
- Abington 39 km
Forecasters' discussion
From the National Weather Service office in PHI, issued 5 hrs ago
What Has Changed
Aviation section updated for 00Z TAFs.
Marine section updated.
Key Messages
1. Elevated tide cycles persist due to Post- Tropical Cyclone Josephine well off the coast, resulting in widespread minor coastal flooding continuing for back bay areas in Ocean County, NJ and Sussex County, DE.
2. Frost and freeze impacts tonight and Saturday night where the growing season continues.
Discussion
KEY MESSAGE 1...Elevated tide cycles persist due to Post- Tropical Cyclone Josephine well off the coast, resulting in widespread minor coastal flooding continuing for back bay areas in Ocean County, NJ and Sussex County, DE.
Post-Tropical Cyclone Josephine has pulled away from the region as it's now over the Canadian Maritimes. However elevated water levels persist, mainly in the back bay areas of Ocean County, NJ and Sussex County, Delaware. The Coastal Flood Advisory for these counties is in effect until 7 AM Saturday.
KEY MESSAGE 2...Frost and freeze impacts tonight and Saturday night where the growing season continues.
A Freeze Warning was issued for areas north and west of the I-95 corridor from midnight until 9 AM Saturday where the growing season remains active. For the I-95 corridor and areas south and east, a Frost Advisory was issued from midnight until 9 AM Saturday for all other zones, excluding Sussex County in Delaware and the barrier islands in New Jersey.
As an upper-level trough pivots across the Northeast tonight, a strong mid-level ridge in the Plains to Midwest shifts eastward through the weekend. This will support strong surface high pressure shifting eastward into the Northeast and Mid-Atlantic through the weekend.
A chilly and dry airmass will accompany this strong surface high, and as the high itself settles more overhead, forecast soundings show surface winds decoupling. This will set the stage for efficient radiational cooling both tonight and Saturday night. The forecast lows are in the upper 20s to mid 30s for much of the area (with the only exception along the immediate coastal strip) with a favorable setup for frost and freeze. Some scattered to broken cirrus will be in place overnight. However, the thin cloud coverage will be the only limiting reagent to the efficient radiational cooling. This will probably slow cooling down by a few degrees at best, likely aiding to prevent a widespread freeze situation, but it is not expected to slam the brakes hard on the efficient radiational cooling setup overnight.
Aviation
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.
Tonight...VFR. Winds will go calm for a time, then increase slightly out of the north to northeast less than 5 kts after 06Z. High confidence.
Saturday...VFR. Winds 5 kts or less favoring a north to northeast direction early, then shifting more easterly and becoming variable after 18Z. Winds may become calm at times. High confidence.
Saturday night...VFR/SKC. Calm winds. High confidence.
Outlook...
Sunday through Wednesday...VFR. No significant weather expected.
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.