Monthly outlook for Sundance, MT: average high 52°, average low 35°. That is 1.3° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 16 October (66.7°), the coolest 24 October (27.9°).
52°/35°
Average high / low
+1.3°
Above normal
2 / 3
Wet days / normal
0.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
15 October – 24 October
54.7°
51.6°
+1.8°
25 October – 3 November
47.4°
45.2°
+1.2°
4 November – 13 November
at normal
40.2°
—
October records over 66 years
83.1°1 October 1992All-time high
-11.2°31 October 1984All-time low
Climate normals and records are computed from the nearest reference point — Hidden Lake Colony (4 mi).
Fri, 1667° / 31°0
67 °
Sundance, Friday, 16 October
Overcast. High 67°, low 31°.
Pressure30.27 inHg
Wind8 mph S
Humidity34%
Visibility6.2 mi
Dew point30°
Sat, 1766° / 45°0
66 °
Sundance, Saturday, 17 October
Overcast. High 66°, low 45°.
Pressure29.83 inHg
Wind12.1 mph S
Humidity29%
Visibility6.2 mi
Dew point29°
Sun, 1860° / 38°0
60 °
Sundance, Sunday, 18 October
Clear. High 60°, low 38°.
Pressure30.09 inHg
Wind5 mph S
Humidity42%
Visibility6.2 mi
Dew point32°
Mon, 1960° / 37°0
60 °
Sundance, Monday, 19 October
Overcast. High 60°, low 37°.
Pressure29.94 inHg
Wind6.3 mph SE
Humidity59%
Visibility—
Dew point36°
Tue, 2056° / 38°0
56 °
Sundance, Tuesday, 20 October
Overcast. High 56°, low 38°.
Pressure29.94 inHg
Wind6.8 mph N
Humidity47%
Visibility—
Dew point34°
Wed, 2158° / 34°0
58 °
Sundance, Wednesday, 21 October
Mostly clear. High 58°, low 34°.
Pressure29.68 inHg
Wind17.2 mph SW
Humidity45%
Visibility—
Dew point28°
Thu, 2247° / 37°0
47 °
Sundance, Thursday, 22 October
Overcast. High 47°, low 37°.
Pressure29.74 inHg
Wind16.2 mph W
Humidity53%
Visibility—
Dew point28°
Fri, 2338° / 32°0.13
38 °
Sundance, Friday, 23 October
Snow. High 38°, low 32°.
Pressure30.24 inHg
Wind18.5 mph NW
Humidity66%
Visibility—
Dew point26°
Sat, 2443° / 28°0
43 °
Sundance, Saturday, 24 October
Clear. High 43°, low 28°.
Pressure30.45 inHg
Wind18.7 mph W
Humidity55%
Visibility—
Dew point22°
Sun, 2544° / 34°0
44 °
Sundance, Sunday, 25 October
Overcast. High 44°, low 34°.
Pressure30.27 inHg
Wind18.5 mph W
Humidity44%
Visibility—
Dew point20°
Mon, 2650° / 35°0
50 °
Sundance, Monday, 26 October
Overcast. High 50°, low 35°.
Pressure30.27 inHg
Wind10.2 mph W
Humidity37%
Visibility—
Dew point19°
Tue, 2752° / 38°0
52 °
Sundance, Tuesday, 27 October
Overcast. High 52°, low 38°.
Pressure29.74 inHg
Wind27.9 mph W
Humidity43%
Visibility—
Dew point26°
Wed, 2844° / 36°0.04
44 °
Sundance, Wednesday, 28 October
Snow. High 44°, low 36°.
Pressure30.06 inHg
Wind16.7 mph N
Humidity47%
Visibility—
Dew point22°
Thu, 2950° / 32°0
50 °
Sundance, Thursday, 29 October
Overcast. High 50°, low 32°.
Pressure29.62 inHg
Wind12.3 mph SW
Humidity44%
Visibility—
Dew point24°
Fri, 3043° / 34°0.01
43 °
Sundance, Friday, 30 October
Light snow. High 43°, low 34°.
Pressure29.74 inHg
Wind29.3 mph W
Humidity77%
Visibility—
Dew point28°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 3144° / 28°0.04
44 °
Sundance, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high44°
Average low28°
Average precipitation0.04 in
Chance of precipitation20%
Record high64° (2008)
Record low-11° (1984)
Sun, 0143° / 28°0.04
43 °
Sundance, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high43°
Average low28°
Average precipitation0.04 in
Chance of precipitation20%
Record high63° (2008)
Record low-20° (1984)
Mon, 0244° / 28°0.04
44 °
Sundance, Monday, 2 November
Climate normal for this date — 60-year average.
Average high44°
Average low28°
Average precipitation0.04 in
Chance of precipitation23%
Record high65° (1981)
Record low-17° (1991)
Tue, 0344° / 29°0.02
44 °
Sundance, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high44°
Average low29°
Average precipitation0.02 in
Chance of precipitation15%
Record high66° (1962)
Record low-6° (1991)
Wed, 0444° / 29°0.04
44 °
Sundance, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high44°
Average low29°
Average precipitation0.04 in
Chance of precipitation25%
Record high63° (2010)
Record low-3° (2017)
Thu, 0542° / 28°0.04
42 °
Sundance, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.04 in
Chance of precipitation25%
Record high68° (2010)
Record low-14° (2003)
Fri, 0641° / 26°0.04
41 °
Sundance, Friday, 6 November
Climate normal for this date — 60-year average.
Average high41°
Average low26°
Average precipitation0.04 in
Chance of precipitation25%
Record high65° (2010)
Record low-6° (1971)
Sat, 0740° / 27°0.04
40 °
Sundance, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high40°
Average low27°
Average precipitation0.04 in
Chance of precipitation23%
Record high61° (1999)
Record low-9° (1973)
Sun, 0840° / 25°0.04
40 °
Sundance, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.04 in
Chance of precipitation20%
Record high63° (2016)
Record low-11° (2022)
Mon, 0939° / 24°0.05
39 °
Sundance, Monday, 9 November
Climate normal for this date — 60-year average.
Average high39°
Average low24°
Average precipitation0.05 in
Chance of precipitation23%
Record high64° (2016)
Record low-6° (1986)
Tue, 1038° / 24°0.04
38 °
Sundance, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high38°
Average low24°
Average precipitation0.04 in
Chance of precipitation25%
Record high59° (1981)
Record low-21° (1986)
Wed, 1138° / 23°0.03
38 °
Sundance, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high38°
Average low23°
Average precipitation0.03 in
Chance of precipitation22%
Record high64° (2016)
Record low-17° (1978)
Thu, 1239° / 24°0.02
39 °
Sundance, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high39°
Average low24°
Average precipitation0.02 in
Chance of precipitation12%
Record high63° (1999)
Record low-20° (1986)
Fri, 1340° / 25°0.02
40 °
Sundance, Friday, 13 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.02 in
Chance of precipitation17%
Record high62° (2025)
Record low-19° (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 Sundance, 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 Sundance, 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.