Monthly outlook for Austin, MT: average high 48.6°, average low 30.3°. That is 3.5° below the climate normal for October. Precipitation is expected on 4 days (about 1.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 18 October (63.6°), the coolest 13 October (17.9°).
48.6°/30.3°
Average high / low
−3.5°
Below normal
4 / 4
Wet days / normal
1.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
10 October – 19 October
47.6°
55.5°
-4.4°
20 October – 29 October
50.4°
51.9°
-0.9°
30 October – 8 November
at normal
45.4°
—
October records over 66 years
85.5°1 October 2011All-time high
-9.6°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Helena (11 mi).
Sun, 1134° / 21°0.76
34 °
Austin, Sunday, 11 October
Snow. High 34°, low 21°.
Pressure30.06 inHg
Wind10.2 mph N
Humidity98%
Visibility6.2 mi
Dew point25°
Mon, 1232° / 19°0.15
32 °
Austin, Monday, 12 October
Snow. High 32°, low 19°.
Pressure30.21 inHg
Wind3.5 mph NE
Humidity96%
Visibility6.2 mi
Dew point25°
Tue, 1342° / 18°0
42 °
Austin, Tuesday, 13 October
Clear. High 42°, low 18°.
Pressure30.09 inHg
Wind1.2 mph SW
Humidity70%
Visibility6.2 mi
Dew point27°
Wed, 1446° / 24°0
46 °
Austin, Wednesday, 14 October
Clear. High 46°, low 24°.
Pressure30.15 inHg
Wind5.6 mph W
Humidity57%
Visibility—
Dew point25°
Thu, 1547° / 26°0
47 °
Austin, Thursday, 15 October
Clear. High 47°, low 26°.
Pressure30.45 inHg
Wind5.7 mph W
Humidity56%
Visibility—
Dew point28°
Fri, 1645° / 27°0
45 °
Austin, Friday, 16 October
Partly cloudy. High 45°, low 27°.
Pressure30.65 inHg
Wind5.6 mph E
Humidity65%
Visibility—
Dew point27°
Sat, 1760° / 28°0
60 °
Austin, Saturday, 17 October
Clear. High 60°, low 28°.
Pressure30.18 inHg
Wind6.4 mph SW
Humidity24%
Visibility—
Dew point14°
Sun, 1864° / 39°0
64 °
Austin, Sunday, 18 October
Overcast. High 64°, low 39°.
Pressure29.94 inHg
Wind15.1 mph W
Humidity25%
Visibility—
Dew point20°
Mon, 1959° / 40°0
59 °
Austin, Monday, 19 October
Overcast. High 59°, low 40°.
Pressure29.94 inHg
Wind6.1 mph SW
Humidity32%
Visibility—
Dew point23°
Tue, 2060° / 41°0
60 °
Austin, Tuesday, 20 October
Overcast. High 60°, low 41°.
Pressure29.74 inHg
Wind15.1 mph W
Humidity25%
Visibility—
Dew point21°
Wed, 2148° / 36°0
48 °
Austin, Wednesday, 21 October
Light rain. High 48°, low 36°.
Pressure29.83 inHg
Wind17.3 mph W
Humidity47%
Visibility—
Dew point26°
Thu, 2252° / 31°0
52 °
Austin, Thursday, 22 October
Overcast. High 52°, low 31°.
Pressure29.91 inHg
Wind18.9 mph W
Humidity41%
Visibility—
Dew point23°
Fri, 2350° / 38°0
50 °
Austin, Friday, 23 October
Overcast. High 50°, low 38°.
Pressure29.77 inHg
Wind30.2 mph W
Humidity47%
Visibility—
Dew point29°
Sat, 2445° / 34°0.04
45 °
Austin, Saturday, 24 October
Light snow. High 45°, low 34°.
Pressure30.09 inHg
Wind26.3 mph W
Humidity42%
Visibility—
Dew point19°
Sun, 2549° / 34°0.13
49 °
Austin, Sunday, 25 October
Snow. High 49°, low 34°.
Pressure29.47 inHg
Wind25.2 mph SW
Humidity70%
Visibility—
Dew point30°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2651° / 31°0.07
51 °
Austin, Monday, 26 October
Climate normal for this date — 60-year average.
Average high51°
Average low31°
Average precipitation0.07 in
Chance of precipitation32%
Record high68° (1966)
Record low-10° (2020)
Tue, 2750° / 30°0.03
50 °
Austin, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high50°
Average low30°
Average precipitation0.03 in
Chance of precipitation20%
Record high70° (2024)
Record low8° (2023)
Wed, 2849° / 29°0.06
49 °
Austin, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high49°
Average low29°
Average precipitation0.06 in
Chance of precipitation28%
Record high66° (1987)
Record low0° (1991)
Thu, 2947° / 29°0.05
47 °
Austin, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high47°
Average low29°
Average precipitation0.05 in
Chance of precipitation23%
Record high68° (1987)
Record low-7° (1991)
Fri, 3047° / 28°0.03
47 °
Austin, Friday, 30 October
Climate normal for this date — 60-year average.
Average high47°
Average low28°
Average precipitation0.03 in
Chance of precipitation18%
Record high68° (1987)
Record low-7° (1991)
Sat, 3146° / 28°0.04
46 °
Austin, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.04 in
Chance of precipitation25%
Record high65° (1987)
Record low-9° (2002)
Sun, 0146° / 28°0.05
46 °
Austin, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.05 in
Chance of precipitation25%
Record high71° (2025)
Record low-4° (1991)
Mon, 0246° / 28°0.04
46 °
Austin, Monday, 2 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.04 in
Chance of precipitation32%
Record high64° (1981)
Record low-10° (1991)
Tue, 0346° / 28°0.03
46 °
Austin, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.03 in
Chance of precipitation20%
Record high63° (1981)
Record low-4° (1991)
Wed, 0446° / 28°0.05
46 °
Austin, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.05 in
Chance of precipitation28%
Record high63° (2021)
Record low-1° (1973)
Thu, 0546° / 28°0.04
46 °
Austin, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.04 in
Chance of precipitation27%
Record high68° (2020)
Record low2° (1961)
Fri, 0645° / 27°0.05
45 °
Austin, Friday, 6 November
Climate normal for this date — 60-year average.
Average high45°
Average low27°
Average precipitation0.05 in
Chance of precipitation27%
Record high64° (2010)
Record low4° (2017)
Sat, 0744° / 27°0.04
44 °
Austin, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high44°
Average low27°
Average precipitation0.04 in
Chance of precipitation32%
Record high63° (2010)
Record low-1° (2017)
Sun, 0842° / 26°0.06
42 °
Austin, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high42°
Average low26°
Average precipitation0.06 in
Chance of precipitation35%
Record high62° (1999)
Record low5° (2022)
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 Austin, 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 Austin, 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.