New York, NY 76° Los Angeles, CA 87° 🌤️ Chicago, IL Houston, TX 97° 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 62° 🌤️ Denver, CO Toronto, ON 68° 🌤️ Vancouver, BC
WeatherLiveCaliforniaAlta Sierra

Alta Sierra, CA Weather

Current WeatherAlta Sierra · 10:15 AM PDT
92° | 70°
87°F
Feels like 82°
Mostly cloudy
WindSW 4 mph · Gusts 7 mph
Precip7% · –
Humidity17% · Dew point 37°
UV index8 High
Air Quality37 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:24 AM · 7:48 PM · 13h 24m

Weather map — Alta Sierra

Full radar →
Now
87°
9%
4 mph
11:00
90°
9%
6 mph
12:00
91°
9%
8 mph
13:00
92°
9%
8 mph
14:00
86°
5%
9 mph
15:00
87°
9%
8 mph
16:00
86°
9%
8 mph
17:00
85°
9%
7 mph
18:00
83°
9%
6 mph
19:00
87°
9%
3 mph
20:00
79°
9%
3 mph
21:00
77°
9%
6 mph
22:00
75°
6%
6 mph
23:00
74°
9%
6 mph
00:00
74°
10%
6 mph
01:00
74°
5%
6 mph
02:00
73°
10%
6 mph
03:00
74°
10%
6 mph
04:00
74°
10%
6 mph
05:00
74°
10%
5 mph
06:00
74°
10%
5 mph
07:00
75°
10%
4 mph
08:00
75°
9%
2 mph
09:00
76°
9%
2 mph

Today · Sun 8/23

High 92°
7% / –

Mostly cloudy. Winds SW at 9 mph.

Tonight · Sun 8/23

Low 73°
9% / –

Mostly cloudy. Winds E at 6 mph.

Tomorrow · Mon 8/24

85° | 72°
6% / –

Mostly cloudy. Winds SW at 9 mph.

7-day trend

Alta Sierra · temperature + precipitation

10-day forecast

Updated 10:15 AM

Details & indices

Wind
4 mph SW
Gusts 7 mph
Humidity
17%
Dew point 37°
Pressure
29.94 inHg
Rising
UV index
8 — High
High today
Air Quality
Good
AQI 37 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Alta Sierra

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Low

Sun & moon

Sunrise6:24 AM
Sunset7:48 PM
Length of day13h 24m
Moonrise5:32 PM
Moonset1:42 AM
Next full moonAug 27 Sturgeon Moon
Latitude39.1416°N
Longitude-121.0538°E

Water temps nearby

View all →
No beaches within 50 miles

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Los Angeles
Sunny
87°
🌤️
San Diego
San Jose
Mostly cloudy
73°
🌤️
San Francisco
Fresno
Sunny
83°
🌤️
Sacramento
Data sources · Sunday, August 23
Where the Alta Sierra forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 39.1416°N, -121.0538°.
NBM + global weather models
Updated: 10:15 AM
Weather in Alta Sierra
Alta Sierra's outlook: warmest day near 92° (Sunday), coldest night about 66° (Saturday). Essentially no rain is in the forecast — expect a dry stretch. The NWS alert board for this area is currently clear. Right now Alta Sierra is running about 32° warmer than San Francisco. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Alta Sierra, CA · Elev 2,310 ft · 39.14°N, 121.05°W · California · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:15 AM