Alta Sierra, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Alta Sierra, CA in one place.
Mostly sunny, with a high near 46. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for Alta Sierra, 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: May 27, 2026 7:15 PM PDT.
The active forecast window currently covers May 29 to Jun 2, 2026 for Alta Sierra, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 29 to Jun 2, 2026
- Latest sync
- May 27, 2026 7:15 PM PDT
- Forecast office
- HNX
- Source
- NOAA / NWS
Daily Outlook
This Week in Alta Sierra
Tuesday looks like the warmest upcoming period in Alta Sierra at 69 degrees F.
Friday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph WNW.
The forecast from May 29 through Jun 2 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 7:15 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- HNX
- Radar station
- KEYX
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 39. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 55. West northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Clear, with a low around 44. North northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 61. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Clear, with a low around 50. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 67. West northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 54. North northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny, with a high near 69. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 54. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 29
|
Mostly Sunny
|
46°F |
10 to 15 mph
WNW
|
|
Friday Night
May 29
|
Mostly Clear
|
39°F |
5 to 15 mph
NW
|
|
Saturday
May 30
|
Sunny
|
55°F |
5 to 15 mph
WNW
|
|
Saturday Night
May 30
|
Clear
|
44°F |
5 to 15 mph
NNW
|
|
Sunday
May 31
|
Sunny
|
61°F |
5 to 10 mph
WNW
|
|
Sunday Night
May 31
|
Clear
|
50°F |
5 to 10 mph
NNW
|
|
Monday
Jun 1
|
Sunny
|
67°F |
5 to 10 mph
WNW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
54°F |
5 to 10 mph
NNW
|
|
Tuesday
Jun 2
|
Sunny
|
69°F |
5 to 15 mph
WNW
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
54°F |
5 to 15 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alta Sierra.