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As of 19:25 MDT

Weather in McMillan, ID

95°Current weather

McMillan, Saturday, 8 August, 19:25

Overcast. Feels like 91°. High 98°, low 64°.

Pressure29.74 inHg
Wind13.1 mph SW
Humidity15%
Visibility6.2 mi
Dew point37°
Sun, 0997° / 64°0Clear
97 °Clear

McMillan, Sunday, 9 August

Clear. High 97°, low 64°.

Pressure29.83 inHg
Wind11.1 mph W
Humidity8%
Visibility6.2 mi
Dew point25°
Mon, 1099° / 64°0Clear
99 °Clear

McMillan, Monday, 10 August

Clear. High 99°, low 64°.

Pressure29.83 inHg
Wind13.4 mph W
Humidity9%
Visibility6.2 mi
Dew point26°
Tue, 11100° / 68°0Overcast
100 °Overcast

McMillan, Tuesday, 11 August

Overcast. High 100°, low 68°.

Pressure29.85 inHg
Wind8.5 mph W
Humidity9%
Visibility6.2 mi
Dew point26°
Wed, 1295° / 77°0Overcast
95 °Overcast

McMillan, Wednesday, 12 August

Overcast. High 95°, low 77°.

Pressure29.77 inHg
Wind10.7 mph NW
Humidity18%
Visibility6.2 mi
Dew point41°
Thu, 1392° / 68°0Light rain
92 °Light rain

McMillan, Thursday, 13 August

Light rain. High 92°, low 68°.

Pressure29.74 inHg
Wind16.1 mph W
Humidity16%
Visibility—
Dew point33°
Fri, 1487° / 70°0.04Light rain
87 °Light rain

McMillan, Friday, 14 August

Light rain. High 87°, low 70°.

Pressure29.85 inHg
Wind15.8 mph S
Humidity23%
Visibility—
Dew point43°
Sat, 1589° / 64°0.02Light rain
89 °Light rain

McMillan, Saturday, 15 August

Light rain. High 89°, low 64°.

Pressure29.97 inHg
Wind22.4 mph SW
Humidity25%
Visibility—
Dew point45°
Sun, 1696° / 63°0.11Light rain
96 °Light rain

McMillan, Sunday, 16 August

Light rain. High 96°, low 63°.

Pressure29.97 inHg
Wind10.2 mph SE
Humidity20%
Visibility—
Dew point41°
Mon, 1797° / 66°0.01Light rain
97 °Light rain

McMillan, Monday, 17 August

Light rain. High 97°, low 66°.

Pressure29.94 inHg
Wind11.9 mph E
Humidity19%
Visibility—
Dew point40°
Tue, 1897° / 69°0Overcast
97 °Overcast

McMillan, Tuesday, 18 August

Overcast. High 97°, low 69°.

Pressure29.94 inHg
Wind22.3 mph W
Humidity22%
Visibility—
Dew point43°
Wed, 1993° / 66°0Overcast
93 °Overcast

McMillan, Wednesday, 19 August

Overcast. High 93°, low 66°.

Pressure29.97 inHg
Wind14.8 mph W
Humidity23%
Visibility—
Dew point40°
Thu, 2092° / 68°0.02Light rain
92 °Light rain

McMillan, Thursday, 20 August

Light rain. High 92°, low 68°.

Pressure29.77 inHg
Wind29.5 mph S
Humidity20%
Visibility—
Dew point43°
Fri, 2191° / 66°0Clear
91 °Clear

McMillan, Friday, 21 August

Clear. High 91°, low 66°.

Pressure29.88 inHg
Wind16.4 mph W
Humidity16%
Visibility—
Dew point31°
Sat, 2298° / 67°0Clear
98 °Clear

McMillan, Saturday, 22 August

Clear. High 98°, low 67°.

Pressure29.83 inHg
Wind12.3 mph NW
Humidity9%
Visibility—
Dew point22°
Sun, 2398° / 70°0Overcast
98 °Overcast

McMillan, Sunday, 23 August

Overcast. High 98°, low 70°.

Pressure29.80 inHg
Wind12.5 mph NW
Humidity10%
Visibility—
Dew point25°

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 McMillan, 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 McMillan, 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.