As of 06:16 MDT

Weather in Kirby, MT

38°

Kirby, Monday, 19 October, 06:16

Clear. Feels like 33°. High 69°, low 38°.

Pressure30.03 inHg

Wind7.4 mph SE

Humidity70%

Visibility6.2 mi

Dew point29°

See detailed hourly forecast

Monthly outlook for Kirby, MT: average high 57.2°, average low 37.7°. That is 1.8° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 22 October (73.3°), the coolest 28 October (19.3°).

57.2°/37.7°

Average high / low

+1.8°

Above normal

2 / 4

Wet days / normal

0.3 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
19 October – 28 October	58.4°	56.5°	+1.1°
29 October – 7 November	55.2°	50°	+2.9°
8 November – 17 November	at normal	45.7°	—

October records over 66 years

89.2°1 October 2011All-time high

-12.3°30 October 1991All-time low

Tue, 2071° / 39°

71 °

Kirby, Tuesday, 20 October

Overcast. High 71°, low 39°.

Pressure30.00 inHg

Wind4.7 mph NW

Humidity28%

Visibility6.2 mi

Dew point33°

Wed, 2170° / 43°

70 °

Kirby, Wednesday, 21 October

Clear. High 70°, low 43°.

Pressure30.09 inHg

Wind10 mph SE

Humidity39%

Visibility6.2 mi

Dew point38°

Thu, 2273° / 51°

73 °

Kirby, Thursday, 22 October

Clear. High 73°, low 51°.

Pressure29.88 inHg

Wind3.8 mph N

Humidity35%

Visibility6.2 mi

Dew point41°

Fri, 2370° / 49°

0.01

70 °

Kirby, Friday, 23 October

Light rain. High 70°, low 49°.

Pressure29.50 inHg

Wind9.5 mph W

Humidity39%

Visibility—

Dew point42°

Sat, 2450° / 41°

0.01

50 °

Kirby, Saturday, 24 October

Light rain. High 50°, low 41°.

Pressure30.18 inHg

Wind15 mph W

Humidity52%

Visibility—

Dew point30°

Sun, 2565° / 38°

65 °

Kirby, Sunday, 25 October

Partly cloudy. High 65°, low 38°.

Pressure30.03 inHg

Wind7.9 mph SW

Humidity16%

Visibility—

Dew point10°

Mon, 2643° / 32°

0.02

43 °

Kirby, Monday, 26 October

Snow. High 43°, low 32°.

Pressure30.36 inHg

Wind10.5 mph NE

Humidity70%

Visibility—

Dew point26°

Tue, 2730° / 23°

0.15

30 °

Kirby, Tuesday, 27 October

Light snow. High 30°, low 23°.

Pressure30.62 inHg

Wind8.1 mph NE

Humidity72%

Visibility—

Dew point20°

Wed, 2842° / 19°

42 °

Kirby, Wednesday, 28 October

Clear. High 42°, low 19°.

Pressure30.30 inHg

Wind8.7 mph SE

Humidity62%

Visibility—

Dew point21°

Thu, 2955° / 33°

55 °

Kirby, Thursday, 29 October

Mostly clear. High 55°, low 33°.

Pressure29.88 inHg

Wind6.2 mph S

Humidity30%

Visibility—

Dew point18°

Fri, 3066° / 44°

66 °

Kirby, Friday, 30 October

Overcast. High 66°, low 44°.

Pressure29.68 inHg

Wind5.5 mph NW

Humidity24%

Visibility—

Dew point22°

Sat, 3159° / 44°

59 °

Kirby, Saturday, 31 October

Overcast. High 59°, low 44°.

Pressure29.80 inHg

Wind6.3 mph N

Humidity37%

Visibility—

Dew point31°

Sun, 0156° / 44°

56 °

Kirby, Sunday, 1 November

Overcast. High 56°, low 44°.

Pressure29.77 inHg

Wind7.9 mph SE

Humidity43%

Visibility—

Dew point31°

Mon, 0245° / 33°

0.07

45 °

Kirby, Monday, 2 November

Snow. High 45°, low 33°.

Pressure30.15 inHg

Wind18.7 mph NW

Humidity58%

Visibility—

Dew point27°

Tue, 0351° / 31°

51 °

Kirby, Tuesday, 3 November

Clear. High 51°, low 31°.

Pressure30.18 inHg

Wind9.5 mph SE

Humidity52%

Visibility—

Dew point27°

From day 17 onward the outlook is built from 60-year climate statistics

Wed, 0451° / 31°

0.03

51 °

Kirby, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high51°

Average low31°

Average precipitation0.03 in

Chance of precipitation22%

Record high70° (1983)

Record low8° (1995)

Thu, 0550° / 32°

0.04

50 °

Kirby, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high50°

Average low32°

Average precipitation0.04 in

Chance of precipitation27%

Record high73° (2020)

Record low6° (1961)

Fri, 0649° / 30°

0.05

49 °

Kirby, Friday, 6 November

Climate normal for this date — 60-year average.

Average high49°

Average low30°

Average precipitation0.05 in

Chance of precipitation22%

Record high73° (2010)

Record low6° (1971)

Sat, 0749° / 30°

0.04

49 °

Kirby, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high49°

Average low30°

Average precipitation0.04 in

Chance of precipitation23%

Record high74° (1999)

Record low3° (2017)

Sun, 0847° / 29°

0.04

47 °

Kirby, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high47°

Average low29°

Average precipitation0.04 in

Chance of precipitation23%

Record high74° (1999)

Record low7° (1966)

Mon, 0946° / 28°

0.07

46 °

Kirby, Monday, 9 November

Climate normal for this date — 60-year average.

Average high46°

Average low28°

Average precipitation0.07 in

Chance of precipitation23%

Record high68° (2016)

Record low-5° (1966)

Tue, 1045° / 27°

0.06

45 °

Kirby, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high45°

Average low27°

Average precipitation0.06 in

Chance of precipitation27%

Record high71° (2025)

Record low-16° (1986)

Wed, 1144° / 26°

0.02

44 °

Kirby, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high44°

Average low26°

Average precipitation0.02 in

Chance of precipitation17%

Record high67° (1990)

Record low-9° (1986)

Thu, 1246° / 26°

0.03

46 °

Kirby, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high46°

Average low26°

Average precipitation0.03 in

Chance of precipitation20%

Record high76° (1999)

Record low-10° (1986)

Fri, 1346° / 28°

0.05

46 °

Kirby, Friday, 13 November

Climate normal for this date — 60-year average.

Average high46°

Average low28°

Average precipitation0.05 in

Chance of precipitation23%

Record high71° (2025)

Record low-10° (1986)

Sat, 1446° / 28°

0.05

46 °

Kirby, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high46°

Average low28°

Average precipitation0.05 in

Chance of precipitation25%

Record high72° (1999)

Record low-3° (1978)

Sun, 1546° / 28°

0.02

46 °

Kirby, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high46°

Average low28°

Average precipitation0.02 in

Chance of precipitation20%

Record high69° (2021)

Record low3° (1964)

Mon, 1646° / 28°

0.04

46 °

Kirby, Monday, 16 November

Climate normal for this date — 60-year average.

Average high46°

Average low28°

Average precipitation0.04 in

Chance of precipitation13%

Record high66° (2001)

Record low-1° (1964)

Tue, 1745° / 27°

0.05

45 °

Kirby, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high45°

Average low27°

Average precipitation0.05 in

Chance of precipitation28%

Record high64° (1999)

Record low2° (1996)

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 Kirby, 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 Kirby, 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.