Alta Sierra, CA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Alta Sierra, CA in one place.
Mostly cloudy. Low around 63, with temperatures rising to around 65 overnight. West northwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
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: Jul 14, 2026 2:40 AM PDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Alta Sierra, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 2:40 AM PDT
- Forecast office
- HNX
- Source
- NOAA / NWS
Daily Outlook
This Week in Alta Sierra
Thursday looks like the warmest upcoming period in Alta Sierra at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 15 mph WNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 2:40 AM PDT
- Coverage
- 7 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
Sunny, with a high near 73. West northwest wind 0 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
Clear. Low around 62, with temperatures rising to around 64 overnight. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 75. West wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 61. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 76. West northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 61. North wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny, with a high near 74. West southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 72. West northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny, with a high near 72. West wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 59. North northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny, with a high near 72. West northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 14
|
Mostly Cloudy
|
63°F |
5 mph
WNW
|
|
Tuesday
Jul 14
|
Sunny
|
73°F |
0 to 15 mph
WNW
|
|
Tuesday Night
Jul 14
|
Clear
|
62°F |
5 to 15 mph
NW
|
|
Wednesday
Jul 15
|
Sunny
|
75°F |
5 to 15 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
61°F |
5 to 15 mph
NNW
|
|
Thursday
Jul 16
|
Sunny
|
76°F |
5 to 10 mph
WNW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
61°F |
5 to 10 mph
N
|
|
Friday
Jul 17
|
Sunny
|
74°F |
5 to 10 mph
WSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
60°F |
5 to 10 mph
NW
|
|
Saturday
Jul 18
|
Mostly Sunny
|
72°F |
5 to 10 mph
WNW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
60°F |
5 to 10 mph
NW
|
|
Sunday
Jul 19
|
Sunny
|
72°F |
5 to 10 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
59°F |
5 to 10 mph
NNW
|
|
Monday
Jul 20
|
Sunny
|
72°F |
5 to 10 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alta Sierra.