Lake Arrowhead, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Arrowhead, CA in one place.
Mostly sunny, with a high near 67.
Local Weather Overview
This forecast page for Lake Arrowhead, 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: Apr 15, 2026 11:18 AM PDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for Lake Arrowhead, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 11:18 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Arrowhead
Sunday looks like the warmest upcoming period in Lake Arrowhead at 67 degrees F.
Monday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph S.
The forecast from Apr 19 through Apr 21 stays mostly dry.
Forecast Details
- Last updated
- Apr 15, 2026 11:18 AM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 45.
Sunny, with a high near 63.
Partly cloudy, with a low around 44.
Sunny, with a high near 60.
Partly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Mostly Sunny
|
67°F |
5 to 15 mph
S
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
45°F |
5 to 15 mph
S
|
|
Monday
Apr 20
|
Sunny
|
63°F |
5 to 15 mph
S
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
44°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
60°F |
10 to 15 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
45°F |
5 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Arrowhead.
