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As of 12:29 MDT

Weather in Mammoth, UT

87°Current weather

Mammoth, Saturday, 8 August, 12:29

Overcast. Feels like 84°. High 93°, low 66°.

Pressure29.91 inHg
Wind8.3 mph SW
Humidity21%
Visibility6.2 mi
Dew point41°
Sun, 0991° / 64°0.01Light rain
91 °Light rain

Mammoth, Sunday, 9 August

Light rain. High 91°, low 64°.

Pressure29.88 inHg
Wind9.4 mph SW
Humidity21%
Visibility6.2 mi
Dew point43°
Mon, 1093° / 62°0Overcast
93 °Overcast

Mammoth, Monday, 10 August

Overcast. High 93°, low 62°.

Pressure29.88 inHg
Wind9.3 mph SW
Humidity19%
Visibility6.2 mi
Dew point42°
Tue, 1191° / 68°0.02Light rain
91 °Light rain

Mammoth, Tuesday, 11 August

Light rain. High 91°, low 68°.

Pressure29.88 inHg
Wind8.3 mph SW
Humidity20%
Visibility6.2 mi
Dew point43°
Wed, 1288° / 69°0Overcast
88 °Overcast

Mammoth, Wednesday, 12 August

Overcast. High 88°, low 69°.

Pressure29.83 inHg
Wind5.9 mph W
Humidity22%
Visibility6.2 mi
Dew point43°
Thu, 1389° / 64°0Overcast
89 °Overcast

Mammoth, Thursday, 13 August

Overcast. High 89°, low 64°.

Pressure29.80 inHg
Wind22.4 mph S
Humidity21%
Visibility—
Dew point38°
Fri, 1482° / 63°0.04Light rain
82 °Light rain

Mammoth, Friday, 14 August

Light rain. High 82°, low 63°.

Pressure29.94 inHg
Wind11.5 mph SW
Humidity44%
Visibility—
Dew point49°
Sat, 1585° / 62°0.04Light rain
85 °Light rain

Mammoth, Saturday, 15 August

Light rain. High 85°, low 62°.

Pressure29.97 inHg
Wind15 mph W
Humidity27%
Visibility—
Dew point42°
Sun, 1684° / 58°0Clear
84 °Clear

Mammoth, Sunday, 16 August

Clear. High 84°, low 58°.

Pressure30.00 inHg
Wind11.6 mph W
Humidity25%
Visibility—
Dew point41°
Mon, 1786° / 61°0Overcast
86 °Overcast

Mammoth, Monday, 17 August

Overcast. High 86°, low 61°.

Pressure30.03 inHg
Wind10.5 mph W
Humidity24%
Visibility—
Dew point40°
Tue, 1887° / 67°0.01Light rain
87 °Light rain

Mammoth, Tuesday, 18 August

Light rain. High 87°, low 67°.

Pressure29.94 inHg
Wind13.8 mph W
Humidity29%
Visibility—
Dew point45°
Wed, 1989° / 62°0.03Light rain
89 °Light rain

Mammoth, Wednesday, 19 August

Light rain. High 89°, low 62°.

Pressure29.94 inHg
Wind11.4 mph S
Humidity29%
Visibility—
Dew point45°
Thu, 2085° / 62°0.26Rain
85 °Rain

Mammoth, Thursday, 20 August

Rain. High 85°, low 62°.

Pressure29.91 inHg
Wind19.1 mph SW
Humidity26%
Visibility—
Dew point43°
Fri, 2187° / 62°0Overcast
87 °Overcast

Mammoth, Friday, 21 August

Overcast. High 87°, low 62°.

Pressure30.00 inHg
Wind16.1 mph SW
Humidity28%
Visibility—
Dew point43°
Sat, 2289° / 67°0.03Light rain
89 °Light rain

Mammoth, Saturday, 22 August

Light rain. High 89°, low 67°.

Pressure29.97 inHg
Wind15.3 mph S
Humidity24%
Visibility—
Dew point42°
Sun, 2388° / 60°0Partly cloudy
88 °Partly cloudy

Mammoth, Sunday, 23 August

Partly cloudy. High 88°, low 60°.

Pressure29.91 inHg
Wind6.9 mph W
Humidity25%
Visibility—
Dew point41°

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, UT 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, UT 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.