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WeatherLive › California › Alta Sierra

Alta Sierra, CA Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherAlta Sierra · 8:37 PM PDT
29° | 15°
19°C
Feels like 18°
Mostly cloudy
WindSE 4 mph · Gusts 13 mph
Precip3% · –
Humidity50% · Dew point 9°
UV index7 High
Air Quality44 Good
Pressure29.85 inHg
Visibility6 mi
Sunrise / Sunset6:32 AM · 7:36 PM · 13h 4m

Weather map — Alta Sierra

Full radar →
Now
19°
12%
4 mph
21:00
17°
14%
5 mph
22:00
16°
17%
5 mph
23:00
15°
20%
6 mph
00:00
14°
22%
5 mph
01:00
13°
23%
5 mph
02:00
13°
10%
5 mph
03:00
12°
11%
5 mph
04:00
14°
3%
4 mph
05:00
13°
5%
3 mph
06:00
12°
6%
4 mph
07:00
12°
5%
4 mph
08:00
11°
2%
3 mph
09:00
14°
1%
5 mph
10:00
16°
1%
8 mph
11:00
17°
8%
9 mph
12:00
18°
3%
10 mph
13:00
19°
4%
11 mph
14:00
19°
10%
11 mph
15:00
19°
9%
10 mph
16:00
19°
7%
10 mph
17:00
19°
8%
10 mph
18:00
17°
9%
10 mph
19:00
15°
10%
7 mph

Today · Mon 8/31

High 29°
3% / –

Sunny. Winds SW at 10 mph.

Tonight · Mon 8/31

Low 11°
14% / –

Mostly cloudy. Winds E at 5 mph.

Tomorrow · Tue 9/1

19° | 11°
6% / –

Sunny. Winds SW at 11 mph.

7-day trend

Alta Sierra · temperature + precipitation

10-day forecast

Updated 8:37 PM

Details & indices

Wind
4 mph SE
Gusts 13 mph
Humidity
50%
Dew point 9°
Pressure
29.85 inHg
Falling
UV index
7 — High
High today
Air Quality
Good
AQI 44 · 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
Moderate

Sun & moon

Sunrise6:32 AM
Sunset7:36 PM
Length of day13h 4m
Moonrise9:10 PM
Moonset10:18 AM
Moon phase🌖 Waning Gibbous · 83%
Next full moonSep 26 Harvest Moon
Latitude39.1416°N
Longitude-121.0538°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

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
20°
San Diego
Partly cloudy
22°
San Jose
Mostly cloudy
16°
San Francisco
Partly cloudy
16°
Fresno
Mostly cloudy
29°
Sacramento
Mostly cloudy
18°
Data sources · Monday, August 31
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: 8:37 PM
Weather in Alta Sierra
Alta Sierra's outlook: warmest day near 29° (Monday), coldest night about 10° (Wednesday). About 0.41 in of precipitation is expected in total; the most likely wet day is Friday (77% chance). The NWS alert board for this area is currently clear. Right now Alta Sierra is running about 51° warmer than San Jose. 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: 8:37 PM