As of 06:19 MDT

Weather in Byrne, MT

35°Current weather

Byrne, Tuesday, 27 October, 06:19

Overcast. Feels like 35°. High 40°, low 35°.

Pressure29.91 inHg
Wind1.2 mph W
Humidity96%
Visibility6.2 mi
Dew point34°

Monthly outlook for Byrne, MT: average high 48.4°, average low 33.7°. That is 4.9° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 6 November (56.7°), the coolest 29 October (29.5°).

48.4°/33.7°
Average high / low
+4.9°
Above normal
4 / 5
Wet days / normal
0.6 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
27 October – 5 November47.5°41.3°+3.5°
6 November – 15 November49.9°36.7°+7.4°
16 November – 25 Novemberat normal32.1°—

October records over 66 years

78.4°3 October 2010All-time high
-16.4°29 October 2019All-time low

Climate normals and records are computed from the nearest reference point — Springtown (11 mi).

Wed, 2839° / 32°0.02Snow
39 °Snow

Byrne, Wednesday, 28 October

Snow. High 39°, low 32°.

Pressure30.00 inHg
Wind4.5 mph W
Humidity73%
Visibility6.2 mi
Dew point31°
Thu, 2949° / 30°0Partly cloudy
49 °Partly cloudy

Byrne, Thursday, 29 October

Partly cloudy. High 49°, low 30°.

Pressure30.09 inHg
Wind1.1 mph NE
Humidity68%
Visibility6.2 mi
Dew point28°
Fri, 3051° / 33°0.07Snow
51 °Snow

Byrne, Friday, 30 October

Snow. High 51°, low 33°.

Pressure29.97 inHg
Wind1.4 mph E
Humidity69%
Visibility6.2 mi
Dew point32°
Sat, 3152° / 35°0.02Light rain
52 °Light rain

Byrne, Saturday, 31 October

Light rain. High 52°, low 35°.

Pressure30.00 inHg
Wind2.7 mph SE
Humidity80%
Visibility—
Dew point39°
Sun, 0139° / 32°0.3Rain
39 °Rain

Byrne, Sunday, 1 November

Rain. High 39°, low 32°.

Pressure30.00 inHg
Wind5.8 mph W
Humidity100%
Visibility—
Dew point38°
Mon, 0246° / 30°0Mostly clear
46 °Mostly clear

Byrne, Monday, 2 November

Mostly clear. High 46°, low 30°.

Pressure30.50 inHg
Wind4.3 mph W
Humidity58%
Visibility—
Dew point26°
Tue, 0354° / 30°0Overcast
54 °Overcast

Byrne, Tuesday, 3 November

Overcast. High 54°, low 30°.

Pressure30.36 inHg
Wind3.3 mph SE
Humidity34%
Visibility—
Dew point18°
Wed, 0454° / 36°0Overcast
54 °Overcast

Byrne, Wednesday, 4 November

Overcast. High 54°, low 36°.

Pressure30.09 inHg
Wind2.6 mph NW
Humidity40%
Visibility—
Dew point24°
Thu, 0552° / 36°0Overcast
52 °Overcast

Byrne, Thursday, 5 November

Overcast. High 52°, low 36°.

Pressure30.15 inHg
Wind2.1 mph SE
Humidity44%
Visibility—
Dew point25°
Fri, 0657° / 36°0Mostly clear
57 °Mostly clear

Byrne, Friday, 6 November

Mostly clear. High 57°, low 36°.

Pressure30.00 inHg
Wind4.1 mph NW
Humidity45%
Visibility—
Dew point29°
Sat, 0753° / 39°0Overcast
53 °Overcast

Byrne, Saturday, 7 November

Overcast. High 53°, low 39°.

Pressure29.85 inHg
Wind2.3 mph SE
Humidity52%
Visibility—
Dew point31°
Sun, 0853° / 40°0Overcast
53 °Overcast

Byrne, Sunday, 8 November

Overcast. High 53°, low 40°.

Pressure29.91 inHg
Wind7.6 mph W
Humidity64%
Visibility—
Dew point38°
Mon, 0947° / 34°0.07Light rain
47 °Light rain

Byrne, Monday, 9 November

Light rain. High 47°, low 34°.

Pressure30.09 inHg
Wind4.4 mph W
Humidity73%
Visibility—
Dew point35°
Tue, 1045° / 31°0.03Light snow
45 °Light snow

Byrne, Tuesday, 10 November

Light snow. High 45°, low 31°.

Pressure30.00 inHg
Wind4.6 mph NW
Humidity62%
Visibility—
Dew point28°
Wed, 1146° / 34°0Overcast
46 °Overcast

Byrne, Wednesday, 11 November

Overcast. High 46°, low 34°.

Pressure30.00 inHg
Wind4.3 mph W
Humidity68%
Visibility—
Dew point31°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 1237° / 20°0.05Climate normal
37 °Climate normal

Byrne, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high37°
Average low20°
Average precipitation0.05 in
Chance of precipitation33%
Record high58° (1999)
Record low-15° (1986)
Fri, 1336° / 20°0.07Climate normal
36 °Climate normal

Byrne, Friday, 13 November

Climate normal for this date — 60-year average.

Average high36°
Average low20°
Average precipitation0.07 in
Chance of precipitation40%
Record high57° (2025)
Record low-6° (2000)
Sat, 1435° / 20°0.06Climate normal
35 °Climate normal

Byrne, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high35°
Average low20°
Average precipitation0.06 in
Chance of precipitation33%
Record high54° (1999)
Record low-10° (2000)
Sun, 1536° / 19°0.02Climate normal
36 °Climate normal

Byrne, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high36°
Average low19°
Average precipitation0.02 in
Chance of precipitation13%
Record high56° (2021)
Record low-4° (2014)
Mon, 1636° / 20°0.06Climate normal
36 °Climate normal

Byrne, Monday, 16 November

Climate normal for this date — 60-year average.

Average high36°
Average low20°
Average precipitation0.06 in
Chance of precipitation35%
Record high49° (2001)
Record low-16° (1961)
Tue, 1734° / 19°0.06Climate normal
34 °Climate normal

Byrne, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high34°
Average low19°
Average precipitation0.06 in
Chance of precipitation47%
Record high51° (1976)
Record low-15° (1968)
Wed, 1833° / 18°0.07Climate normal
33 °Climate normal

Byrne, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high33°
Average low18°
Average precipitation0.07 in
Chance of precipitation43%
Record high51° (2008)
Record low-11° (2022)
Thu, 1933° / 17°0.07Climate normal
33 °Climate normal

Byrne, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high33°
Average low17°
Average precipitation0.07 in
Chance of precipitation28%
Record high48° (1989)
Record low-10° (1985)
Fri, 2033° / 17°0.05Climate normal
33 °Climate normal

Byrne, Friday, 20 November

Climate normal for this date — 60-year average.

Average high33°
Average low17°
Average precipitation0.05 in
Chance of precipitation32%
Record high48° (1989)
Record low-9° (1977)
Sat, 2132° / 15°0.05Climate normal
32 °Climate normal

Byrne, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high32°
Average low15°
Average precipitation0.05 in
Chance of precipitation32%
Record high50° (2002)
Record low-15° (1977)
Sun, 2231° / 15°0.06Climate normal
31 °Climate normal

Byrne, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high31°
Average low15°
Average precipitation0.06 in
Chance of precipitation33%
Record high45° (2017)
Record low-30° (1970)
Mon, 2331° / 14°0.05Climate normal
31 °Climate normal

Byrne, Monday, 23 November

Climate normal for this date — 60-year average.

Average high31°
Average low14°
Average precipitation0.05 in
Chance of precipitation38%
Record high48° (2017)
Record low-19° (1993)
Tue, 2430° / 16°0.09Climate normal
30 °Climate normal

Byrne, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high30°
Average low16°
Average precipitation0.09 in
Chance of precipitation43%
Record high43° (1976)
Record low-16° (2010)
Wed, 2529° / 15°0.1Climate normal
29 °Climate normal

Byrne, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high29°
Average low15°
Average precipitation0.1 in
Chance of precipitation50%
Record high46° (2022)
Record low-16° (2010)

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.