Crystal Lake, NJ Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Crystal Lake, NJ in one place.
Patchy fog. Partly cloudy. Low around 65, with temperatures rising to around 67 overnight. Southwest wind around 1 mph.
Local Weather Overview
This forecast page for Crystal Lake, 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 17, 2026 3:04 AM EDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Crystal Lake, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 3:04 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Crystal Lake
Thursday looks like the warmest upcoming period in Crystal Lake at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Wednesday at about 10 mph NE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 3:04 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog before 8am, then a slight chance of rain showers. Partly sunny, with a high near 84. Southwest wind 0 to 7 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. Southwest wind around 6 mph. Chance of precipitation is 30%.
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. Northwest wind 5 to 9 mph.
Partly cloudy, with a low around 57. North wind around 8 mph.
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon.
A chance of rain showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 17
|
Patchy Fog
|
65°F |
1 mph
SW
|
|
Thursday
Sep 17
|
Patchy Fog then Slight Chance Rain Showers
|
84°F |
0 to 7 mph
SW
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
68°F |
6 mph
SW
|
|
Friday
Sep 18
|
Sunny
|
81°F |
5 to 9 mph
NW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
57°F |
8 mph
N
|
|
Saturday
Sep 19
|
Mostly Sunny
|
72°F |
6 mph
E
|
|
Saturday Night
Sep 19
|
Mostly Cloudy then Chance Rain Showers
|
59°F |
5 mph
SE
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
71°F |
5 to 8 mph
S
|
|
Sunday Night
Sep 20
|
Rain Showers Likely
|
57°F |
5 to 8 mph
NW
|
|
Monday
Sep 21
|
Chance Rain Showers
|
69°F |
9 mph
NE
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
56°F |
5 to 8 mph
NE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
68°F |
9 mph
NE
|
|
Tuesday Night
Sep 22
|
Chance Rain Showers
|
55°F |
9 mph
NE
|
|
Wednesday
Sep 23
|
Chance Rain Showers
|
69°F |
10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Crystal Lake.