New Jersey · NWS OKX office

Summit, NJ weather

It is 46°F and clear at Newark, Newark International Airport as of Oct 28, 2:00 AM EDT. Overnight: Areas Of Frost, low near 39°F. Forecast from the National Weather Service, issued Oct 28, 2:25 AM EDT.

Updated Oct 28, 2:30 AM EDT (snapshot)

Current conditions

Temperature

46°F

Clear · feels like 43°F

Wind

NNE 7 mph

Humidity 66% · dew point 36°F

Pressure · visibility

30.43 inHg

Visibility 10 mi

Observed at Newark, Newark International Airport (KEWR), Oct 28, 2:00 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Summit forecast zone right now.

Around the NWS OKX forecast area

1 active alert covers zones served by the OKX office near Summit:

  • Coastal Flood Statement

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in New Jersey.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Summit (local time)
TimeTempForecastPrecip. chanceWind
Wed 2 AM40°FMostly Clear0%N 2 mph
Wed 3 AM40°FMostly Clear0%N 2 mph
Wed 4 AM40°FPartly Cloudy0%N 2 mph
Wed 5 AM39°FAreas Of Frost0%N 2 mph
Wed 6 AM39°FAreas Of Frost0%N 2 mph
Wed 7 AM39°FAreas Of Frost0%N 3 mph
Wed 8 AM41°FMostly Sunny2%N 3 mph
Wed 9 AM45°FMostly Sunny2%NE 3 mph
Wed 10 AM50°FMostly Sunny2%NE 2 mph
Wed 11 AM54°FMostly Sunny2%E 2 mph
Wed 12 PM57°FPartly Sunny2%E 2 mph
Wed 1 PM61°FPartly Sunny2%SE 3 mph
Wed 2 PM61°FPartly Sunny2%SE 3 mph
Wed 3 PM62°FPartly Sunny2%SE 3 mph
Wed 4 PM63°FPartly Sunny2%SE 5 mph
Wed 5 PM61°FMostly Cloudy1%SE 5 mph
Wed 6 PM59°FMostly Cloudy1%SE 5 mph
Wed 7 PM57°FMostly Cloudy1%S 3 mph
Wed 8 PM53°FMostly Cloudy1%S 2 mph
Wed 9 PM52°FPartly Cloudy1%S 1 mph
Wed 10 PM51°FPartly Cloudy1% 0 mph
Wed 11 PM50°FPartly Cloudy0% 0 mph
Thu 12 AM49°FMostly Clear0% 0 mph
Thu 1 AM47°FMostly Clear0%SW 1 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Summit can differ.

7-day forecast

Overnight

Low 39°F

Areas of frost after 5am. Partly cloudy, with a low around 39. North wind around 2 mph.

Wednesday

High 63°F·Low 44°F

Areas of frost before 8am. Partly sunny. High near 63, with temperatures falling to around 61 in the afternoon. East wind around 5 mph.

Wednesday Night: Partly cloudy. Low around 44, with temperatures rising to around 46 overnight. South wind 0 to 5 mph.

Thursday

High 69°F·Low 52°F

Sunny. High near 69, with temperatures falling to around 67 in the afternoon. Southwest wind 1 to 7 mph.

Thursday Night: Mostly clear, with a low around 52. Southwest wind around 6 mph.

Friday

High 70°F·Low 43°F

Sunny. High near 70, with temperatures falling to around 67 in the afternoon.

Friday Night: Mostly clear, with a low around 43.

Saturday

High 63°F·Low 42°F

Mostly sunny, with a high near 63.

Saturday Night: Partly cloudy, with a low around 42.

Sunday

High 66°F·Low 47°F

Partly sunny, with a high near 66.

Sunday Night: Mostly cloudy, with a low around 47.

Monday

High 67°F·Low 49°F

A chance of rain showers after 7am. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

Tuesday

High 65°F

A chance of rain showers. Partly sunny, with a high near 65.

Nearby cities

Larger cities in the area

Other cities in Union County

See every city we cover in New Jersey, or check all active alerts.

About this forecast

Forecast office
Summit is served by the National Weather Service OKX forecast office, forecast zone NJZ107, county zone NJC039.
Location used
The Census Bureau's internal point for Summit (40.7156, -74.3647), in Union County. Population: 23,102 (2024 estimate), number 41 of the 51 New Jersey cities on this site.
Radar
Nearest NWS radar: KDIX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/40.7156,-74.3647 (forecast issued Oct 28, 2:25 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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