Middlesex County, NJ Weather Forecast
County weather hub
Patchy Fog then Chance Showers And Thunderstorms
Compare major city weather across Middlesex County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 101. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Middlesex County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 20 of 20 mapped cities in Middlesex County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 12 to Jun 18, 2026
- Latest sync
- Jun 12, 2026 8:58 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Middlesex County
Today looks like the warmest upcoming period in Middlesex County at 96 degrees F.
Monday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Sunday at about 0 to 15 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 12, 2026 8:58 AM EDT
- Coverage
- 7 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
A chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 66. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 90. Northwest wind around 5 mph.
Mostly clear, with a low around 65. West wind 0 to 5 mph.
A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 0 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 80.
Partly cloudy, with a low around 58.
A slight chance of rain showers after 8am. Partly sunny, with a high near 79.
A slight chance of rain showers. Partly cloudy, with a low around 59.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 12
|
Patchy Fog then Chance Showers And Thunderstorms
|
96°F |
5 to 10 mph
W
|
|
Tonight
Jun 12
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
66°F |
5 to 10 mph
NW
|
|
Saturday
Jun 13
|
Sunny
|
90°F |
5 mph
NW
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
65°F |
0 to 5 mph
W
|
|
Sunday
Jun 14
|
Partly Sunny then Chance Showers And Thunderstorms
|
90°F |
0 to 15 mph
SW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
64°F |
5 to 15 mph
SW
|
|
Monday
Jun 15
|
Slight Chance Rain Showers then Mostly Sunny
|
80°F |
10 mph
NW
|
|
Monday Night
Jun 15
|
Partly Cloudy
|
58°F |
0 to 5 mph
W
|
|
Tuesday
Jun 16
|
Slight Chance Rain Showers
|
79°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jun 16
|
Slight Chance Rain Showers
|
59°F |
0 to 5 mph
SW
|
|
Wednesday
Jun 17
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
SW
|
|
Wednesday Night
Jun 17
|
Slight Chance Showers And Thunderstorms
|
63°F |
0 to 5 mph
S
|
|
Thursday
Jun 18
|
Chance Showers And Thunderstorms
|
87°F |
0 to 15 mph
S
|
|
Thursday Night
Jun 18
|
Chance Showers And Thunderstorms
|
68°F |
10 to 15 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Middlesex County.
Coverage
Forecast coverage currently spans 20 of 20 mapped cities in Middlesex County.
Largest mapped city population in this region: 56,182.
