Warren County, NJ Weather Forecast
County weather hub
Sunny
Compare major city weather across Warren County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 83. Southeast wind 5 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Warren County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Warren County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 18 to May 22, 2026
- Latest sync
- May 16, 2026 8:42 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Warren County
Tuesday looks like the warmest upcoming period in Warren County at 89 degrees F.
Thursday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph SE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 16, 2026 8:42 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 66.
Sunny, with a high near 89.
Partly cloudy, with a low around 69.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
A slight chance of rain showers after 8am. Partly sunny, with a high near 70.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 50.
A slight chance of rain showers after 8am. Partly sunny, with a high near 66.
A slight chance of rain showers. Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
May 18
|
Sunny
|
83°F |
5 to 10 mph
SE
|
|
Monday Night
May 18
|
Mostly Clear
|
66°F |
5 to 10 mph
S
|
|
Tuesday
May 19
|
Sunny
|
89°F |
5 to 10 mph
SW
|
|
Tuesday Night
May 19
|
Partly Cloudy
|
69°F |
5 to 10 mph
SW
|
|
Wednesday
May 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
SW
|
|
Wednesday Night
May 20
|
Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
W
|
|
Thursday
May 21
|
Slight Chance Rain Showers
|
70°F |
5 to 10 mph
NW
|
|
Thursday Night
May 21
|
Slight Chance Rain Showers then Partly Cloudy
|
50°F |
5 mph
N
|
|
Friday
May 22
|
Slight Chance Rain Showers
|
66°F |
5 mph
NE
|
|
Friday Night
May 22
|
Slight Chance Rain Showers
|
50°F |
5 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Warren County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Warren County.
Largest mapped city population in this region: 6,498.
