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As of 04:07 PDT

Weather in Mammoth Lakes, CA

63°Current weather

Mammoth Lakes, Sunday, 9 August, 04:07

Partly cloudy. Feels like 61°. High 84°, low 55°.

Pressure30.03 inHg
Wind1 mph W
Humidity46%
Visibility6.2 mi
Dew point40°
Mon, 1083° / 49°0Overcast
83 °Overcast

Mammoth Lakes, Monday, 10 August

Overcast. High 83°, low 49°.

Pressure30.00 inHg
Wind9.7 mph SW
Humidity19%
Visibility6.2 mi
Dew point32°
Tue, 1179° / 55°0Overcast
79 °Overcast

Mammoth Lakes, Tuesday, 11 August

Overcast. High 79°, low 55°.

Pressure30.00 inHg
Wind3.2 mph W
Humidity21%
Visibility6.2 mi
Dew point34°
Wed, 1273° / 54°0.03Light rain
73 °Light rain

Mammoth Lakes, Wednesday, 12 August

Light rain. High 73°, low 54°.

Pressure29.94 inHg
Wind5.6 mph SW
Humidity29%
Visibility6.2 mi
Dew point35°
Thu, 1371° / 49°0.07Light rain
71 °Light rain

Mammoth Lakes, Thursday, 13 August

Light rain. High 71°, low 49°.

Pressure29.85 inHg
Wind15.6 mph SW
Humidity21%
Visibility—
Dew point27°
Fri, 1473° / 48°0Clear
73 °Clear

Mammoth Lakes, Friday, 14 August

Clear. High 73°, low 48°.

Pressure29.94 inHg
Wind13.3 mph SW
Humidity17%
Visibility—
Dew point24°
Sat, 1568° / 49°0.06Light rain
68 °Light rain

Mammoth Lakes, Saturday, 15 August

Light rain. High 68°, low 49°.

Pressure30.00 inHg
Wind4.4 mph SE
Humidity28%
Visibility—
Dew point32°
Sun, 1668° / 46°0.02Light rain
68 °Light rain

Mammoth Lakes, Sunday, 16 August

Light rain. High 68°, low 46°.

Pressure30.06 inHg
Wind16.7 mph SW
Humidity30%
Visibility—
Dew point33°
Mon, 1768° / 46°0Clear
68 °Clear

Mammoth Lakes, Monday, 17 August

Clear. High 68°, low 46°.

Pressure30.06 inHg
Wind15.2 mph SW
Humidity21%
Visibility—
Dew point25°
Tue, 1872° / 44°0Mostly clear
72 °Mostly clear

Mammoth Lakes, Tuesday, 18 August

Mostly clear. High 72°, low 44°.

Pressure30.00 inHg
Wind15.3 mph SW
Humidity20%
Visibility—
Dew point23°
Wed, 1974° / 47°0Overcast
74 °Overcast

Mammoth Lakes, Wednesday, 19 August

Overcast. High 74°, low 47°.

Pressure29.97 inHg
Wind12.7 mph SW
Humidity15%
Visibility—
Dew point17°
Thu, 2071° / 49°0Clear
71 °Clear

Mammoth Lakes, Thursday, 20 August

Clear. High 71°, low 49°.

Pressure30.00 inHg
Wind15.5 mph SW
Humidity28%
Visibility—
Dew point32°
Fri, 2170° / 48°0Clear
70 °Clear

Mammoth Lakes, Friday, 21 August

Clear. High 70°, low 48°.

Pressure30.00 inHg
Wind17.7 mph SW
Humidity25%
Visibility—
Dew point28°
Sat, 2272° / 46°0Clear
72 °Clear

Mammoth Lakes, Saturday, 22 August

Clear. High 72°, low 46°.

Pressure30.00 inHg
Wind15.7 mph SW
Humidity20%
Visibility—
Dew point23°
Sun, 2373° / 48°0Overcast
73 °Overcast

Mammoth Lakes, Sunday, 23 August

Overcast. High 73°, low 48°.

Pressure30.00 inHg
Wind14.9 mph SW
Humidity22%
Visibility—
Dew point26°
Mon, 2475° / 50°0Clear
75 °Clear

Mammoth Lakes, Monday, 24 August

Clear. High 75°, low 50°.

Pressure29.94 inHg
Wind15.9 mph SW
Humidity20%
Visibility—
Dew point26°

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 Mammoth Lakes, 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 Mammoth Lakes, 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.