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As of 18:33 MDT

Weather in Byrne, MT

90°Current weather

Byrne, Saturday, 8 August, 18:33

Overcast. Feels like 86°. High 90°, low 51°.

Pressure29.83 inHg
Wind10.3 mph NW
Humidity18%
Visibility6.2 mi
Dew point41°
Sun, 0987° / 49°0Overcast
87 °Overcast

Byrne, Sunday, 9 August

Overcast. High 87°, low 49°.

Pressure29.88 inHg
Wind4 mph NW
Humidity15%
Visibility6.2 mi
Dew point30°
Mon, 1089° / 48°0Clear
89 °Clear

Byrne, Monday, 10 August

Clear. High 89°, low 48°.

Pressure29.85 inHg
Wind5.8 mph NW
Humidity15%
Visibility6.2 mi
Dew point28°
Tue, 1188° / 53°0Clear
88 °Clear

Byrne, Tuesday, 11 August

Clear. High 88°, low 53°.

Pressure29.94 inHg
Wind4.1 mph NW
Humidity16%
Visibility6.2 mi
Dew point30°
Wed, 1289° / 55°0Clear
89 °Clear

Byrne, Wednesday, 12 August

Clear. High 89°, low 55°.

Pressure29.83 inHg
Wind3.7 mph N
Humidity15%
Visibility6.2 mi
Dew point31°
Thu, 1391° / 54°0.02Light rain
91 °Light rain

Byrne, Thursday, 13 August

Light rain. High 91°, low 54°.

Pressure29.77 inHg
Wind13.3 mph W
Humidity23%
Visibility—
Dew point40°
Fri, 1487° / 54°0.02Light rain
87 °Light rain

Byrne, Friday, 14 August

Light rain. High 87°, low 54°.

Pressure29.88 inHg
Wind11.6 mph NW
Humidity20%
Visibility—
Dew point34°
Sat, 1579° / 60°0Overcast
79 °Overcast

Byrne, Saturday, 15 August

Overcast. High 79°, low 60°.

Pressure29.94 inHg
Wind4.1 mph SE
Humidity29%
Visibility—
Dew point42°
Sun, 1683° / 55°0.05Light rain
83 °Light rain

Byrne, Sunday, 16 August

Light rain. High 83°, low 55°.

Pressure30.00 inHg
Wind6.2 mph NW
Humidity26%
Visibility—
Dew point41°
Mon, 1790° / 55°0Overcast
90 °Overcast

Byrne, Monday, 17 August

Overcast. High 90°, low 55°.

Pressure30.03 inHg
Wind7 mph NW
Humidity25%
Visibility—
Dew point42°
Tue, 1875° / 56°0.17Light rain
75 °Light rain

Byrne, Tuesday, 18 August

Light rain. High 75°, low 56°.

Pressure29.97 inHg
Wind5.2 mph N
Humidity34%
Visibility—
Dew point43°
Wed, 1985° / 49°0Clear
85 °Clear

Byrne, Wednesday, 19 August

Clear. High 85°, low 49°.

Pressure30.06 inHg
Wind7 mph NW
Humidity33%
Visibility—
Dew point43°
Thu, 2090° / 56°0Partly cloudy
90 °Partly cloudy

Byrne, Thursday, 20 August

Partly cloudy. High 90°, low 56°.

Pressure29.91 inHg
Wind7.3 mph W
Humidity18%
Visibility—
Dew point34°
Fri, 2192° / 60°0Clear
92 °Clear

Byrne, Friday, 21 August

Clear. High 92°, low 60°.

Pressure29.94 inHg
Wind9.1 mph NW
Humidity23%
Visibility—
Dew point42°
Sat, 2292° / 60°0Partly cloudy
92 °Partly cloudy

Byrne, Saturday, 22 August

Partly cloudy. High 92°, low 60°.

Pressure29.94 inHg
Wind8.6 mph NW
Humidity21%
Visibility—
Dew point39°
Sun, 2396° / 61°0Overcast
96 °Overcast

Byrne, Sunday, 23 August

Overcast. High 96°, low 61°.

Pressure29.97 inHg
Wind6.4 mph NE
Humidity27%
Visibility—
Dew point46°

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 Byrne, MT 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 Byrne, MT 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.