Monthly outlook for Square Butte, MT: average high 58.2°, average low 40.5°. That is 1.4° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 17 October (75.2°), the coolest 16 October (31.9°).
58.2°/40.5°
Average high / low
+1.4°
Above normal
3 / 3
Wet days / normal
0.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
16 October – 25 October
62.7°
57.7°
+2.7°
26 October – 4 November
50.8°
51.4°
-0.3°
5 November – 14 November
at normal
46.1°
—
October records over 66 years
87.4°1 October 1992All-time high
-14.8°30 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Geraldine (7 mi).
Sat, 1775° / 41°0
75 °
Square Butte, Saturday, 17 October
Overcast. High 75°, low 41°.
Pressure29.88 inHg
Wind2.1 mph SE
Humidity28%
Visibility6.2 mi
Dew point38°
Sun, 1865° / 44°0
65 °
Square Butte, Sunday, 18 October
Clear. High 65°, low 44°.
Pressure30.09 inHg
Wind4.7 mph E
Humidity42%
Visibility6.2 mi
Dew point35°
Mon, 1965° / 40°0
65 °
Square Butte, Monday, 19 October
Overcast. High 65°, low 40°.
Pressure29.88 inHg
Wind1.9 mph E
Humidity57%
Visibility6.2 mi
Dew point40°
Tue, 2060° / 42°0
60 °
Square Butte, Tuesday, 20 October
Overcast. High 60°, low 42°.
Pressure29.85 inHg
Wind12.4 mph NW
Humidity57%
Visibility—
Dew point40°
Wed, 2166° / 40°0
66 °
Square Butte, Wednesday, 21 October
Clear. High 66°, low 40°.
Pressure30.09 inHg
Wind11.8 mph SE
Humidity61%
Visibility—
Dew point41°
Thu, 2273° / 51°0
73 °
Square Butte, Thursday, 22 October
Clear. High 73°, low 51°.
Pressure29.80 inHg
Wind18.7 mph W
Humidity17%
Visibility—
Dew point22°
Fri, 2356° / 43°0.08
56 °
Square Butte, Friday, 23 October
Light rain. High 56°, low 43°.
Pressure29.77 inHg
Wind18.4 mph NW
Humidity59%
Visibility—
Dew point41°
Sat, 2444° / 35°0.02
44 °
Square Butte, Saturday, 24 October
Light snow. High 44°, low 35°.
Pressure30.36 inHg
Wind16.1 mph NW
Humidity60%
Visibility—
Dew point28°
Sun, 2552° / 33°0
52 °
Square Butte, Sunday, 25 October
Clear. High 52°, low 33°.
Pressure30.15 inHg
Wind5.9 mph S
Humidity35%
Visibility—
Dew point19°
Mon, 2652° / 44°0.01
52 °
Square Butte, Monday, 26 October
Light rain. High 52°, low 44°.
Pressure29.88 inHg
Wind26.2 mph W
Humidity39%
Visibility—
Dew point26°
Tue, 2751° / 40°0
51 °
Square Butte, Tuesday, 27 October
Overcast. High 51°, low 40°.
Pressure29.83 inHg
Wind5.9 mph SW
Humidity63%
Visibility—
Dew point33°
Wed, 2848° / 35°0.63
48 °
Square Butte, Wednesday, 28 October
Snow. High 48°, low 35°.
Pressure29.71 inHg
Wind7.8 mph NE
Humidity94%
Visibility—
Dew point38°
Thu, 2945° / 35°0.13
45 °
Square Butte, Thursday, 29 October
Snow. High 45°, low 35°.
Pressure29.97 inHg
Wind9.8 mph SW
Humidity86%
Visibility—
Dew point35°
Fri, 3051° / 42°0
51 °
Square Butte, Friday, 30 October
Overcast. High 51°, low 42°.
Pressure29.74 inHg
Wind37.2 mph W
Humidity54%
Visibility—
Dew point33°
Sat, 3158° / 51°0
58 °
Square Butte, Saturday, 31 October
Overcast. High 58°, low 51°.
Pressure29.62 inHg
Wind24.4 mph W
Humidity42%
Visibility—
Dew point32°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0149° / 32°0.03
49 °
Square Butte, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high49°
Average low32°
Average precipitation0.03 in
Chance of precipitation17%
Record high75° (2025)
Record low-3° (1991)
Mon, 0250° / 32°0.03
50 °
Square Butte, Monday, 2 November
Climate normal for this date — 60-year average.
Average high50°
Average low32°
Average precipitation0.03 in
Chance of precipitation20%
Record high71° (2020)
Record low-14° (1991)
Tue, 0351° / 32°0.04
51 °
Square Butte, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high51°
Average low32°
Average precipitation0.04 in
Chance of precipitation18%
Record high72° (2020)
Record low-11° (1991)
Wed, 0450° / 32°0.05
50 °
Square Butte, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high50°
Average low32°
Average precipitation0.05 in
Chance of precipitation28%
Record high72° (2001)
Record low1° (2003)
Thu, 0549° / 31°0.06
49 °
Square Butte, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.06 in
Chance of precipitation33%
Record high72° (1980)
Record low-14° (2003)
Fri, 0647° / 30°0.03
47 °
Square Butte, Friday, 6 November
Climate normal for this date — 60-year average.
Average high47°
Average low30°
Average precipitation0.03 in
Chance of precipitation22%
Record high72° (2010)
Record low-4° (2003)
Sat, 0747° / 30°0.02
47 °
Square Butte, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high47°
Average low30°
Average precipitation0.02 in
Chance of precipitation22%
Record high72° (2010)
Record low-8° (1973)
Sun, 0846° / 29°0.06
46 °
Square Butte, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.06 in
Chance of precipitation25%
Record high68° (1999)
Record low-5° (2003)
Mon, 0945° / 27°0.05
45 °
Square Butte, Monday, 9 November
Climate normal for this date — 60-year average.
Average high45°
Average low27°
Average precipitation0.05 in
Chance of precipitation22%
Record high71° (2016)
Record low0° (2022)
Tue, 1044° / 27°0.04
44 °
Square Butte, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high44°
Average low27°
Average precipitation0.04 in
Chance of precipitation23%
Record high68° (2025)
Record low1° (2022)
Wed, 1144° / 26°0.03
44 °
Square Butte, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high44°
Average low26°
Average precipitation0.03 in
Chance of precipitation25%
Record high69° (1990)
Record low-12° (1966)
Thu, 1246° / 28°0.03
46 °
Square Butte, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.03 in
Chance of precipitation23%
Record high74° (1990)
Record low-16° (1986)
Fri, 1346° / 29°0.03
46 °
Square Butte, Friday, 13 November
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.03 in
Chance of precipitation17%
Record high71° (2025)
Record low-7° (1986)
Sat, 1446° / 28°0.04
46 °
Square Butte, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.04 in
Chance of precipitation25%
Record high69° (1999)
Record low-9° (2014)
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 Square Butte, 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 Square Butte, 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.