Crystal Lake, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Crystal Lake, CA in one place.
Sunny, with a high near 58. South southwest wind 3 to 8 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Crystal Lake, CA 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 16, 2026 12:34 PM PDT.
The active forecast window currently covers Sep 17 to Sep 22, 2026 for Crystal Lake, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 12:34 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Crystal Lake
Tuesday looks like the warmest upcoming period in Crystal Lake at 75 degrees F.
Thursday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Friday Night at about 6 to 12 mph NNE.
The forecast from Sep 17 through Sep 22 stays mostly dry.
Forecast Details
- Last updated
- Sep 16, 2026 12:34 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 46. West southwest wind 1 to 7 mph.
Sunny, with a high near 67. West northwest wind 2 to 8 mph.
Clear, with a low around 52.
Sunny, with a high near 73.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 55.
Sunny, with a high near 74.
Mostly clear, with a low around 56.
Sunny, with a high near 75.
Mostly clear, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Sunny
|
58°F |
3 to 8 mph
SSW
|
|
Thursday Night
Sep 17
|
Clear
|
46°F |
1 to 7 mph
WSW
|
|
Friday
Sep 18
|
Sunny
|
67°F |
2 to 8 mph
WNW
|
|
Friday Night
Sep 18
|
Clear
|
52°F |
6 to 12 mph
NNE
|
|
Saturday
Sep 19
|
Sunny
|
73°F |
1 to 10 mph
SSW
|
|
Saturday Night
Sep 19
|
Partly Cloudy
|
55°F |
3 to 12 mph
NE
|
|
Sunday
Sep 20
|
Mostly Sunny
|
72°F |
2 to 8 mph
SSE
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
55°F |
6 mph
NE
|
|
Monday
Sep 21
|
Sunny
|
74°F |
2 to 6 mph
WNW
|
|
Monday Night
Sep 21
|
Mostly Clear
|
56°F |
5 to 9 mph
NNE
|
|
Tuesday
Sep 22
|
Sunny
|
75°F |
3 to 9 mph
SW
|
|
Tuesday Night
Sep 22
|
Mostly Clear
|
56°F |
7 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Crystal Lake.