Charlestown, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Charlestown, NJ in one place.
Mostly sunny, with a high near 79. Southwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Charlestown, NJ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 1:25 PM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Charlestown, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:25 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Charlestown
Thursday looks like the warmest upcoming period in Charlestown at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:25 PM EDT
- Coverage
- 6 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
Partly cloudy, with a low around 63. Southwest wind around 0 mph.
Mostly sunny, with a high near 82. Southwest wind 0 to 5 mph.
Partly cloudy, with a low around 66.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 72.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Rain showers likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
79°F |
0 to 5 mph
SW
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
63°F |
0 mph
|
|
Thursday
Sep 17
|
Mostly Sunny
|
82°F |
0 to 5 mph
SW
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
66°F |
0 to 5 mph
SW
|
|
Friday
Sep 18
|
Mostly Sunny
|
80°F |
5 mph
NW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
58°F |
5 mph
N
|
|
Saturday
Sep 19
|
Mostly Sunny
|
72°F |
5 mph
E
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
61°F |
5 mph
SE
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
78°F |
5 to 10 mph
SW
|
|
Sunday Night
Sep 20
|
Rain Showers Likely
|
61°F |
5 mph
N
|
|
Monday
Sep 21
|
Chance Rain Showers
|
72°F |
5 mph
NE
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
56°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charlestown.