Monthly outlook for Ermont Mill, MT: average high 40.7°, average low 27.3°. That is 0.4° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 0.8 inches. The warmest day looks like 8 November (50.3°), the coolest 24 October (20.4°).
40.7°/27.3°
Average high / low
−0.4°
Below normal
4 / 5
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
24 October – 2 November
37.7°
42.7°
-2.7°
3 November – 12 November
45.8°
38.3°
+4.1°
13 November – 22 November
at normal
34.1°
—
October records over 66 years
75°2 October 2010All-time high
-17.9°29 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Maverick Mountain (14 mi).
Sun, 2541° / 29°0
41 °
Ermont Mill, Sunday, 25 October
Partly cloudy. High 41°, low 29°.
Pressure30.18 inHg
Wind3.5 mph SE
Humidity67%
Visibility6.2 mi
Dew point24°
Mon, 2643° / 30°0.19
43 °
Ermont Mill, Monday, 26 October
Snow. High 43°, low 30°.
Pressure30.03 inHg
Wind6.1 mph S
Humidity72%
Visibility2.8 mi
Dew point31°
Tue, 2734° / 25°0.11
34 °
Ermont Mill, Tuesday, 27 October
Snow. High 34°, low 25°.
Pressure30.06 inHg
Wind9.6 mph W
Humidity90%
Visibility6.2 mi
Dew point22°
Wed, 2836° / 22°0
36 °
Ermont Mill, Wednesday, 28 October
Mostly clear. High 36°, low 22°.
Pressure30.06 inHg
Wind5.8 mph S
Humidity85%
Visibility6.2 mi
Dew point22°
Thu, 2937° / 29°0.07
37 °
Ermont Mill, Thursday, 29 October
Light rain. High 37°, low 29°.
Pressure29.91 inHg
Wind3.8 mph SW
Humidity81%
Visibility—
Dew point31°
Fri, 3035° / 31°0.16
35 °
Ermont Mill, Friday, 30 October
Snow. High 35°, low 31°.
Pressure29.74 inHg
Wind6.2 mph W
Humidity99%
Visibility—
Dew point34°
Sat, 3132° / 22°0.02
32 °
Ermont Mill, Saturday, 31 October
Light snow. High 32°, low 22°.
Pressure30.09 inHg
Wind12 mph W
Humidity60%
Visibility—
Dew point17°
Sun, 0138° / 21°0
38 °
Ermont Mill, Sunday, 1 November
Clear. High 38°, low 21°.
Pressure30.42 inHg
Wind8.5 mph W
Humidity58%
Visibility—
Dew point18°
Mon, 0246° / 28°0
46 °
Ermont Mill, Monday, 2 November
Mostly clear. High 46°, low 28°.
Pressure30.42 inHg
Wind5.4 mph W
Humidity51%
Visibility—
Dew point23°
Tue, 0348° / 34°0
48 °
Ermont Mill, Tuesday, 3 November
Overcast. High 48°, low 34°.
Pressure30.03 inHg
Wind8.1 mph SW
Humidity54%
Visibility—
Dew point27°
Wed, 0445° / 32°0
45 °
Ermont Mill, Wednesday, 4 November
Overcast. High 45°, low 32°.
Pressure29.77 inHg
Wind18.4 mph SW
Humidity66%
Visibility—
Dew point29°
Thu, 0546° / 31°0
46 °
Ermont Mill, Thursday, 5 November
Overcast. High 46°, low 31°.
Pressure29.80 inHg
Wind11.9 mph SW
Humidity61%
Visibility—
Dew point28°
Fri, 0643° / 28°0
43 °
Ermont Mill, Friday, 6 November
Light rain. High 43°, low 28°.
Pressure29.68 inHg
Wind23 mph SW
Humidity70%
Visibility—
Dew point31°
Sat, 0742° / 28°0
42 °
Ermont Mill, Saturday, 7 November
Clear. High 42°, low 28°.
Pressure30.15 inHg
Wind13.8 mph SW
Humidity43%
Visibility—
Dew point17°
Sun, 0850° / 28°0
50 °
Ermont Mill, Sunday, 8 November
Mostly clear. High 50°, low 28°.
Pressure29.94 inHg
Wind10.1 mph S
Humidity48%
Visibility—
Dew point21°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0937° / 20°0.06
37 °
Ermont Mill, Monday, 9 November
Climate normal for this date — 60-year average.
Average high37°
Average low20°
Average precipitation0.06 in
Chance of precipitation32%
Record high57° (2016)
Record low-5° (1960)
Tue, 1036° / 19°0.04
36 °
Ermont Mill, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high36°
Average low19°
Average precipitation0.04 in
Chance of precipitation32%
Record high57° (2025)
Record low-8° (1986)
Wed, 1136° / 17°0.04
36 °
Ermont Mill, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high36°
Average low17°
Average precipitation0.04 in
Chance of precipitation25%
Record high56° (2016)
Record low-13° (2000)
Thu, 1237° / 18°0.06
37 °
Ermont Mill, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high37°
Average low18°
Average precipitation0.06 in
Chance of precipitation27%
Record high57° (1999)
Record low-9° (2014)
Fri, 1336° / 19°0.04
36 °
Ermont Mill, Friday, 13 November
Climate normal for this date — 60-year average.
Average high36°
Average low19°
Average precipitation0.04 in
Chance of precipitation27%
Record high55° (1999)
Record low-8° (2009)
Sat, 1436° / 18°0.04
36 °
Ermont Mill, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high36°
Average low18°
Average precipitation0.04 in
Chance of precipitation32%
Record high56° (1999)
Record low-4° (1994)
Sun, 1536° / 16°0.03
36 °
Ermont Mill, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high36°
Average low16°
Average precipitation0.03 in
Chance of precipitation20%
Record high55° (1999)
Record low-8° (2014)
Mon, 1635° / 17°0.04
35 °
Ermont Mill, Monday, 16 November
Climate normal for this date — 60-year average.
Average high35°
Average low17°
Average precipitation0.04 in
Chance of precipitation30%
Record high50° (1999)
Record low-12° (1961)
Tue, 1734° / 17°0.05
34 °
Ermont Mill, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high34°
Average low17°
Average precipitation0.05 in
Chance of precipitation37%
Record high51° (2008)
Record low-8° (1968)
Wed, 1834° / 16°0.05
34 °
Ermont Mill, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high34°
Average low16°
Average precipitation0.05 in
Chance of precipitation37%
Record high49° (2008)
Record low-14° (2022)
Thu, 1933° / 15°0.05
33 °
Ermont Mill, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high33°
Average low15°
Average precipitation0.05 in
Chance of precipitation30%
Record high45° (1989)
Record low-7° (1985)
Fri, 2033° / 15°0.04
33 °
Ermont Mill, Friday, 20 November
Climate normal for this date — 60-year average.
Average high33°
Average low15°
Average precipitation0.04 in
Chance of precipitation32%
Record high45° (2002)
Record low-16° (1977)
Sat, 2132° / 12°0.04
32 °
Ermont Mill, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high32°
Average low12°
Average precipitation0.04 in
Chance of precipitation23%
Record high46° (2023)
Record low-16° (1977)
Sun, 2232° / 12°0.06
32 °
Ermont Mill, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high32°
Average low12°
Average precipitation0.06 in
Chance of precipitation30%
Record high47° (2017)
Record low-21° (1970)
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 Ermont Mill, 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 Ermont Mill, 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.