Lake Arrowhead, CA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Arrowhead, CA in one place.
A slight chance of rain showers between 11am and 5pm. Sunny, with a high near 80. South wind 0 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
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: Jul 17, 2026 7:42 AM PDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Lake Arrowhead, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 7:42 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Arrowhead
Wednesday looks like the warmest upcoming period in Lake Arrowhead at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 7:42 AM PDT
- Coverage
- 6 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 66. South wind 0 to 10 mph.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Mostly clear, with a low around 66.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 79.
Mostly clear, with a low around 68.
Sunny, with a high near 81.
Mostly clear, with a low around 69.
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 85.
A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 72.
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Slight Chance Rain Showers
|
80°F |
0 to 10 mph
S
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
66°F |
0 to 10 mph
S
|
|
Sunday
Jul 19
|
Slight Chance Rain Showers
|
81°F |
0 to 5 mph
S
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
66°F |
0 to 5 mph
S
|
|
Monday
Jul 20
|
Slight Chance Rain Showers
|
79°F |
0 to 5 mph
S
|
|
Monday Night
Jul 20
|
Mostly Clear
|
68°F |
0 to 5 mph
S
|
|
Tuesday
Jul 21
|
Sunny
|
81°F |
0 to 5 mph
S
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
69°F |
0 to 5 mph
S
|
|
Wednesday
Jul 22
|
Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
S
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
0 to 5 mph
S
|
|
Thursday
Jul 23
|
Slight Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Arrowhead.
