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As of 01:20 PDT

Weather in Alta Sierra, CA

70°Current weather

Alta Sierra, Sunday, 9 August, 01:20

Clear. Feels like 69°. High 99°, low 68°.

Pressure29.83 inHg
Wind6.2 mph NE
Humidity60%
Visibility6.2 mi
Dew point53°
Mon, 1097° / 69°0Overcast
97 °Overcast

Alta Sierra, Monday, 10 August

Overcast. High 97°, low 69°.

Pressure29.83 inHg
Wind8.7 mph SW
Humidity9%
Visibility6.2 mi
Dew point31°
Tue, 1198° / 67°0.01Light rain
98 °Light rain

Alta Sierra, Tuesday, 11 August

Light rain. High 98°, low 67°.

Pressure29.88 inHg
Wind8.4 mph SW
Humidity13%
Visibility6.2 mi
Dew point37°
Wed, 1295° / 69°0Partly cloudy
95 °Partly cloudy

Alta Sierra, Wednesday, 12 August

Partly cloudy. High 95°, low 69°.

Pressure29.80 inHg
Wind8 mph SW
Humidity15%
Visibility6.2 mi
Dew point38°
Thu, 1386° / 63°0Overcast
86 °Overcast

Alta Sierra, Thursday, 13 August

Overcast. High 86°, low 63°.

Pressure29.80 inHg
Wind8.2 mph SW
Humidity25%
Visibility—
Dew point44°
Fri, 1488° / 59°0Clear
88 °Clear

Alta Sierra, Friday, 14 August

Clear. High 88°, low 59°.

Pressure29.88 inHg
Wind8.7 mph SW
Humidity21%
Visibility—
Dew point40°
Sat, 1587° / 61°0Partly cloudy
87 °Partly cloudy

Alta Sierra, Saturday, 15 August

Partly cloudy. High 87°, low 61°.

Pressure29.94 inHg
Wind9.3 mph SW
Humidity20%
Visibility—
Dew point39°
Sun, 1683° / 62°0Overcast
83 °Overcast

Alta Sierra, Sunday, 16 August

Overcast. High 83°, low 62°.

Pressure30.03 inHg
Wind9.7 mph SW
Humidity30%
Visibility—
Dew point47°
Mon, 1779° / 54°0Overcast
79 °Overcast

Alta Sierra, Monday, 17 August

Overcast. High 79°, low 54°.

Pressure30.03 inHg
Wind10.2 mph SW
Humidity29%
Visibility—
Dew point42°
Tue, 1883° / 57°0Overcast
83 °Overcast

Alta Sierra, Tuesday, 18 August

Overcast. High 83°, low 57°.

Pressure29.94 inHg
Wind8.7 mph SW
Humidity23%
Visibility—
Dew point39°
Wed, 1987° / 60°0Clear
87 °Clear

Alta Sierra, Wednesday, 19 August

Clear. High 87°, low 60°.

Pressure29.88 inHg
Wind8.9 mph SW
Humidity29%
Visibility—
Dew point48°
Thu, 2086° / 61°0Clear
86 °Clear

Alta Sierra, Thursday, 20 August

Clear. High 86°, low 61°.

Pressure29.91 inHg
Wind9.1 mph SW
Humidity26%
Visibility—
Dew point45°
Fri, 2185° / 61°0Overcast
85 °Overcast

Alta Sierra, Friday, 21 August

Overcast. High 85°, low 61°.

Pressure29.88 inHg
Wind9.4 mph SW
Humidity24%
Visibility—
Dew point42°
Sat, 2286° / 59°0Overcast
86 °Overcast

Alta Sierra, Saturday, 22 August

Overcast. High 86°, low 59°.

Pressure29.91 inHg
Wind9.1 mph SW
Humidity20%
Visibility—
Dew point38°
Sun, 2390° / 63°0Mostly clear
90 °Mostly clear

Alta Sierra, Sunday, 23 August

Mostly clear. High 90°, low 63°.

Pressure29.85 inHg
Wind8.6 mph SW
Humidity18%
Visibility—
Dew point38°
Mon, 2490° / 63°0Clear
90 °Clear

Alta Sierra, Monday, 24 August

Clear. High 90°, low 63°.

Pressure29.80 inHg
Wind8.8 mph SW
Humidity16%
Visibility—
Dew point36°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Alta Sierra, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Alta Sierra, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.