Monthly outlook for Helmville, MT: average high 50.9°, average low 31.9°. That is 0.4° below the climate normal for October. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 5 days and 0.8 inches. The warmest day looks like 19 October (64.5°), the coolest 13 October (26.4°).
50.9°/31.9°
Average high / low
−0.4°
Below normal
4 / 5
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
11 October – 20 October
52.9°
52.9°
+0°
21 October – 30 October
47.6°
47.8°
-0.1°
31 October – 9 November
at normal
42°
—
October records over 66 years
82.6°1 October 1992All-time high
-8.7°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Ovando (15 mi).
Mon, 1240° / 27°0.07
40 °
Helmville, Monday, 12 October
Snow. High 40°, low 27°.
Pressure30.09 inHg
Wind2.8 mph E
Humidity85%
Visibility6.2 mi
Dew point26°
Tue, 1346° / 26°0
46 °
Helmville, Tuesday, 13 October
Clear. High 46°, low 26°.
Pressure30.21 inHg
Wind1.1 mph N
Humidity78%
Visibility6.2 mi
Dew point29°
Wed, 1452° / 28°0
52 °
Helmville, Wednesday, 14 October
Mostly clear. High 52°, low 28°.
Pressure30.24 inHg
Wind2.3 mph N
Humidity62%
Visibility6.2 mi
Dew point30°
Thu, 1558° / 30°0
58 °
Helmville, Thursday, 15 October
Clear. High 58°, low 30°.
Pressure30.59 inHg
Wind2.2 mph E
Humidity57%
Visibility6.2 mi
Dew point35°
Fri, 1662° / 31°0
62 °
Helmville, Friday, 16 October
Clear. High 62°, low 31°.
Pressure30.42 inHg
Wind3.9 mph N
Humidity43%
Visibility—
Dew point28°
Sat, 1764° / 36°0
64 °
Helmville, Saturday, 17 October
Overcast. High 64°, low 36°.
Pressure30.06 inHg
Wind3.3 mph W
Humidity49%
Visibility—
Dew point34°
Sun, 1860° / 41°0
60 °
Helmville, Sunday, 18 October
Overcast. High 60°, low 41°.
Pressure30.00 inHg
Wind11 mph W
Humidity49%
Visibility—
Dew point35°
Mon, 1964° / 40°0
64 °
Helmville, Monday, 19 October
Overcast. High 64°, low 40°.
Pressure29.88 inHg
Wind4.9 mph E
Humidity41%
Visibility—
Dew point31°
Tue, 2049° / 38°0.05
49 °
Helmville, Tuesday, 20 October
Snow. High 49°, low 38°.
Pressure29.83 inHg
Wind19.6 mph W
Humidity63%
Visibility—
Dew point31°
Wed, 2147° / 31°0
47 °
Helmville, Wednesday, 21 October
Overcast. High 47°, low 31°.
Pressure29.91 inHg
Wind9.4 mph W
Humidity57%
Visibility—
Dew point26°
Thu, 2241° / 32°0.01
41 °
Helmville, Thursday, 22 October
Light rain. High 41°, low 32°.
Pressure30.15 inHg
Wind5.8 mph NW
Humidity86%
Visibility—
Dew point35°
Fri, 2345° / 33°0.06
45 °
Helmville, Friday, 23 October
Light snow. High 45°, low 33°.
Pressure30.59 inHg
Wind5.1 mph NW
Humidity68%
Visibility—
Dew point30°
Sat, 2450° / 28°0
50 °
Helmville, Saturday, 24 October
Clear. High 50°, low 28°.
Pressure30.53 inHg
Wind4.1 mph W
Humidity56%
Visibility—
Dew point26°
Sun, 2554° / 30°0
54 °
Helmville, Sunday, 25 October
Mostly clear. High 54°, low 30°.
Pressure30.33 inHg
Wind6.3 mph E
Humidity42%
Visibility—
Dew point26°
Mon, 2647° / 29°0
47 °
Helmville, Monday, 26 October
Overcast. High 47°, low 29°.
Pressure30.33 inHg
Wind5.5 mph E
Humidity52%
Visibility—
Dew point24°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2747° / 29°0.05
47 °
Helmville, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high47°
Average low29°
Average precipitation0.05 in
Chance of precipitation32%
Record high61° (1985)
Record low8° (1975)
Wed, 2846° / 29°0.07
46 °
Helmville, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.07 in
Chance of precipitation28%
Record high60° (2008)
Record low1° (1991)
Thu, 2945° / 28°0.04
45 °
Helmville, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high45°
Average low28°
Average precipitation0.04 in
Chance of precipitation32%
Record high62° (2021)
Record low-4° (1991)
Fri, 3044° / 28°0.04
44 °
Helmville, Friday, 30 October
Climate normal for this date — 60-year average.
Average high44°
Average low28°
Average precipitation0.04 in
Chance of precipitation27%
Record high63° (1987)
Record low-5° (1996)
Sat, 3143° / 28°0.07
43 °
Helmville, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high43°
Average low28°
Average precipitation0.07 in
Chance of precipitation30%
Record high62° (2014)
Record low-4° (1996)
Sun, 0144° / 27°0.08
44 °
Helmville, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high44°
Average low27°
Average precipitation0.08 in
Chance of precipitation27%
Record high61° (2008)
Record low-3° (1991)
Mon, 0243° / 28°0.06
43 °
Helmville, Monday, 2 November
Climate normal for this date — 60-year average.
Average high43°
Average low28°
Average precipitation0.06 in
Chance of precipitation35%
Record high60° (1981)
Record low-13° (1991)
Tue, 0343° / 28°0.04
43 °
Helmville, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high43°
Average low28°
Average precipitation0.04 in
Chance of precipitation27%
Record high59° (1981)
Record low-1° (1973)
Wed, 0443° / 28°0.07
43 °
Helmville, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high43°
Average low28°
Average precipitation0.07 in
Chance of precipitation40%
Record high56° (2020)
Record low-7° (1973)
Thu, 0542° / 28°0.06
42 °
Helmville, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.06 in
Chance of precipitation37%
Record high60° (1980)
Record low-1° (1961)
Fri, 0641° / 26°0.08
41 °
Helmville, Friday, 6 November
Climate normal for this date — 60-year average.
Average high41°
Average low26°
Average precipitation0.08 in
Chance of precipitation42%
Record high59° (2010)
Record low3° (1971)
Sat, 0741° / 26°0.08
41 °
Helmville, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high41°
Average low26°
Average precipitation0.08 in
Chance of precipitation38%
Record high58° (2010)
Record low2° (1961)
Sun, 0840° / 25°0.06
40 °
Helmville, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.06 in
Chance of precipitation37%
Record high56° (2016)
Record low-1° (1994)
Mon, 0940° / 24°0.06
40 °
Helmville, Monday, 9 November
Climate normal for this date — 60-year average.
Average high40°
Average low24°
Average precipitation0.06 in
Chance of precipitation37%
Record high58° (2016)
Record low-8° (1986)
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 Helmville, 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 Helmville, 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.