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As of 12:41 MDT

Weather in Custer, ID

78°Current weather

Custer, Saturday, 8 August, 12:41

Clear. Feels like 76°. High 84°, low 47°.

Pressure29.94 inHg
Wind13.3 mph W
Humidity15%
Visibility6.2 mi
Dew point27°
Sun, 0985° / 47°0Clear
85 °Clear

Custer, Sunday, 9 August

Clear. High 85°, low 47°.

Pressure29.88 inHg
Wind13.7 mph W
Humidity10%
Visibility6.2 mi
Dew point18°
Mon, 1082° / 47°0Clear
82 °Clear

Custer, Monday, 10 August

Clear. High 82°, low 47°.

Pressure29.88 inHg
Wind14.8 mph W
Humidity12%
Visibility6.2 mi
Dew point23°
Tue, 1184° / 53°0Clear
84 °Clear

Custer, Tuesday, 11 August

Clear. High 84°, low 53°.

Pressure29.94 inHg
Wind11.9 mph W
Humidity12%
Visibility6.2 mi
Dew point23°
Wed, 1283° / 55°0Clear
83 °Clear

Custer, Wednesday, 12 August

Clear. High 83°, low 55°.

Pressure29.83 inHg
Wind8.9 mph W
Humidity13%
Visibility6.2 mi
Dew point25°
Thu, 1382° / 54°0Overcast
82 °Overcast

Custer, Thursday, 13 August

Overcast. High 82°, low 54°.

Pressure29.80 inHg
Wind16 mph SW
Humidity16%
Visibility—
Dew point26°
Fri, 1479° / 55°0Overcast
79 °Overcast

Custer, Friday, 14 August

Overcast. High 79°, low 55°.

Pressure29.88 inHg
Wind14.2 mph SW
Humidity18%
Visibility—
Dew point29°
Sat, 1572° / 53°0.06Light rain
72 °Light rain

Custer, Saturday, 15 August

Light rain. High 72°, low 53°.

Pressure30.03 inHg
Wind13.2 mph W
Humidity37%
Visibility—
Dew point41°
Sun, 1679° / 51°0Light rain
79 °Light rain

Custer, Sunday, 16 August

Light rain. High 79°, low 51°.

Pressure30.03 inHg
Wind16.7 mph SW
Humidity20%
Visibility—
Dew point30°
Mon, 1779° / 54°0Overcast
79 °Overcast

Custer, Monday, 17 August

Overcast. High 79°, low 54°.

Pressure30.06 inHg
Wind9.9 mph SW
Humidity18%
Visibility—
Dew point28°
Tue, 1870° / 55°0.02Light rain
70 °Light rain

Custer, Tuesday, 18 August

Light rain. High 70°, low 55°.

Pressure30.21 inHg
Wind15.5 mph W
Humidity73%
Visibility—
Dew point47°
Wed, 1980° / 45°0Clear
80 °Clear

Custer, Wednesday, 19 August

Clear. High 80°, low 45°.

Pressure30.06 inHg
Wind10.5 mph W
Humidity18%
Visibility—
Dew point26°
Thu, 2083° / 55°0Mostly clear
83 °Mostly clear

Custer, Thursday, 20 August

Mostly clear. High 83°, low 55°.

Pressure29.94 inHg
Wind14.9 mph W
Humidity19%
Visibility—
Dew point31°
Fri, 2185° / 57°0Clear
85 °Clear

Custer, Friday, 21 August

Clear. High 85°, low 57°.

Pressure29.97 inHg
Wind14.1 mph W
Humidity15%
Visibility—
Dew point27°
Sat, 2288° / 59°0Clear
88 °Clear

Custer, Saturday, 22 August

Clear. High 88°, low 59°.

Pressure29.97 inHg
Wind13.1 mph W
Humidity15%
Visibility—
Dew point29°
Sun, 2386° / 60°0Overcast
86 °Overcast

Custer, Sunday, 23 August

Overcast. High 86°, low 60°.

Pressure29.97 inHg
Wind7.2 mph W
Humidity15%
Visibility—
Dew point30°

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 Custer, ID 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 Custer, ID 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.