Alta Sierra, CA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Alta Sierra, CA in one place.
Showers and thunderstorms before 8pm, then rain between 8pm and 11pm, then showers and thunderstorms between 11pm and 5am, then rain. Cloudy, with a low around 45. South southeast wind 2 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters 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: Apr 9, 2026 1:07 PM PDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for Alta Sierra, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 1:07 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Alta Sierra
Wednesday looks like the warmest upcoming period in Alta Sierra at 67 degrees F.
Monday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 1:07 PM PDT
- Coverage
- 6 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
Rain before 11am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 52. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Showers and thunderstorms before 8pm, then rain. Some of the storms could produce heavy rain. Cloudy, with a low around 38. Chance of precipitation is 90%.
Rain before 11am, then showers and thunderstorms between 11am and 5pm, then a chance of rain. Mostly cloudy, with a high near 50.
A chance of rain before 5am. Mostly cloudy, with a low around 38.
Mostly sunny, with a high near 57.
Mostly clear, with a low around 37.
Sunny, with a high near 64.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday Night
Apr 10
|
Showers And Thunderstorms
|
45°F |
2 to 6 mph
SSE
|
|
Saturday
Apr 10
|
Showers And Thunderstorms
|
52°F |
6 to 10 mph
S
|
|
Saturday Night
Apr 11
|
Showers And Thunderstorms then Heavy Rain
|
38°F |
5 to 9 mph
SSE
|
|
Sunday
Apr 11
|
Showers And Thunderstorms
|
50°F |
7 mph
S
|
|
Sunday Night
Apr 12
|
Chance Light Rain
|
38°F |
5 mph
ESE
|
|
Monday
Apr 12
|
Mostly Sunny
|
57°F |
5 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Clear
|
37°F |
3 mph
N
|
|
Tuesday
Apr 13
|
Sunny
|
64°F |
2 to 6 mph
E
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
41°F |
1 to 5 mph
ESE
|
|
Wednesday
Apr 14
|
Mostly Sunny
|
67°F |
5 mph
ESE
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
46°F |
1 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alta Sierra.