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As of 21:11 MDT

Weather in Grantsville, UT

85°Current weather

Grantsville, Saturday, 8 August, 21:11

Overcast. Feels like 82°. High 100°, low 72°.

Pressure29.94 inHg
Wind3.8 mph W
Humidity23%
Visibility6.2 mi
Dew point43°
Sun, 0997° / 71°0Overcast
97 °Overcast

Grantsville, Sunday, 9 August

Overcast. High 97°, low 71°.

Pressure29.83 inHg
Wind1.5 mph SW
Humidity18%
Visibility6.2 mi
Dew point45°
Mon, 1099° / 70°0Partly cloudy
99 °Partly cloudy

Grantsville, Monday, 10 August

Partly cloudy. High 99°, low 70°.

Pressure29.83 inHg
Wind1.9 mph SW
Humidity17%
Visibility6.2 mi
Dew point44°
Tue, 1197° / 77°0Overcast
97 °Overcast

Grantsville, Tuesday, 11 August

Overcast. High 97°, low 77°.

Pressure29.85 inHg
Wind3.7 mph NW
Humidity17%
Visibility6.2 mi
Dew point43°
Wed, 1292° / 75°0Overcast
92 °Overcast

Grantsville, Wednesday, 12 August

Overcast. High 92°, low 75°.

Pressure29.80 inHg
Wind7.4 mph NW
Humidity17%
Visibility6.2 mi
Dew point41°
Thu, 1389° / 68°0.87Heavy rain
89 °Heavy rain

Grantsville, Thursday, 13 August

Heavy rain. High 89°, low 68°.

Pressure29.74 inHg
Wind11.3 mph NE
Humidity22%
Visibility—
Dew point44°
Fri, 1484° / 67°0.08Light rain
84 °Light rain

Grantsville, Friday, 14 August

Light rain. High 84°, low 67°.

Pressure29.97 inHg
Wind10.1 mph SE
Humidity43%
Visibility—
Dew point54°
Sat, 1588° / 73°0Light rain
88 °Light rain

Grantsville, Saturday, 15 August

Light rain. High 88°, low 73°.

Pressure30.00 inHg
Wind9.9 mph S
Humidity32%
Visibility—
Dew point50°
Sun, 1691° / 73°0Light rain
91 °Light rain

Grantsville, Sunday, 16 August

Light rain. High 91°, low 73°.

Pressure30.03 inHg
Wind10.6 mph S
Humidity25%
Visibility—
Dew point46°
Mon, 1792° / 73°0.01Light rain
92 °Light rain

Grantsville, Monday, 17 August

Light rain. High 92°, low 73°.

Pressure30.00 inHg
Wind7.1 mph N
Humidity24%
Visibility—
Dew point46°
Tue, 1893° / 75°0Mostly clear
93 °Mostly clear

Grantsville, Tuesday, 18 August

Mostly clear. High 93°, low 75°.

Pressure29.97 inHg
Wind6.9 mph S
Humidity22%
Visibility—
Dew point44°
Wed, 1986° / 70°0.04Light rain
86 °Light rain

Grantsville, Wednesday, 19 August

Light rain. High 86°, low 70°.

Pressure30.00 inHg
Wind10.2 mph NW
Humidity35%
Visibility—
Dew point50°
Thu, 2093° / 70°0.07Light rain
93 °Light rain

Grantsville, Thursday, 20 August

Light rain. High 93°, low 70°.

Pressure29.88 inHg
Wind9.6 mph S
Humidity32%
Visibility—
Dew point51°
Fri, 2188° / 69°0.08Light rain
88 °Light rain

Grantsville, Friday, 21 August

Light rain. High 88°, low 69°.

Pressure29.88 inHg
Wind12 mph NE
Humidity39%
Visibility—
Dew point54°
Sat, 2292° / 72°0Overcast
92 °Overcast

Grantsville, Saturday, 22 August

Overcast. High 92°, low 72°.

Pressure29.88 inHg
Wind9.6 mph N
Humidity25%
Visibility—
Dew point46°
Sun, 2396° / 76°0Overcast
96 °Overcast

Grantsville, Sunday, 23 August

Overcast. High 96°, low 76°.

Pressure29.83 inHg
Wind7 mph SE
Humidity20%
Visibility—
Dew point44°

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 Grantsville, 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 Grantsville, 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.