Hopatcong, NJ Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hopatcong, NJ in one place.
Partly sunny, with a high near 49. North wind 15 to 20 mph, with gusts as high as 35 mph.
Local Weather Overview
This forecast page for Hopatcong, 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: Oct 17, 2026 1:36 PM EDT.
The active forecast window currently covers Oct 17 to Oct 23, 2026 for Hopatcong, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 1:36 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Hopatcong
Tuesday looks like the warmest upcoming period in Hopatcong at 64 degrees F.
Tonight is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Today at about 15 to 20 mph N.
The forecast from Oct 17 through Oct 23 stays mostly dry.
Forecast Details
- Last updated
- Oct 17, 2026 1:36 PM 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
Widespread frost after 1am. Mostly clear, with a low around 31. North wind 5 to 15 mph.
Widespread frost before 10am. Sunny, with a high near 56. North wind around 5 mph.
Clear, with a low around 36. Northeast wind 0 to 5 mph.
Sunny, with a high near 60. Northeast wind around 5 mph.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 44.
Sunny, with a high near 61.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 17
|
Partly Sunny
|
49°F |
15 to 20 mph
N
|
|
Tonight
Oct 17
|
Mostly Clear then Widespread Frost
|
31°F |
5 to 15 mph
N
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
56°F |
5 mph
N
|
|
Sunday Night
Oct 18
|
Clear
|
36°F |
0 to 5 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
60°F |
5 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
5 mph
N
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
64°F |
5 to 10 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
44°F |
5 to 10 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
61°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
41°F |
5 mph
NE
|
|
Thursday
Oct 22
|
Mostly Sunny
|
60°F |
5 to 10 mph
NE
|
|
Thursday Night
Oct 22
|
Partly Cloudy
|
44°F |
0 to 5 mph
N
|
|
Friday
Oct 23
|
Mostly Sunny
|
62°F |
5 mph
N
|
|
Friday Night
Oct 23
|
Partly Cloudy
|
43°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hopatcong.
