Monthly outlook for Inverness, MT: average high 49.6°, average low 35.2°. That is 0.8° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 19 October (66.7°), the coolest 30 October (23.3°).
49.6°/35.2°
Average high / low
−0.8°
Below normal
4 / 2
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
19 October – 28 October
53.9°
53.3°
+0.3°
29 October – 7 November
42.5°
46.5°
-2.2°
8 November – 17 November
at normal
41.6°
—
October records over 66 years
86°7 October 1980All-time high
-13.9°30 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Chester (12 mi).
Tue, 2056° / 41°0
56 °
Inverness, Tuesday, 20 October
Overcast. High 56°, low 41°.
Pressure30.18 inHg
Wind8.3 mph NE
Humidity51%
Visibility6.2 mi
Dew point34°
Wed, 2162° / 41°0
62 °
Inverness, Wednesday, 21 October
Mostly clear. High 62°, low 41°.
Pressure30.03 inHg
Wind8.4 mph S
Humidity59%
Visibility6.2 mi
Dew point41°
Thu, 2266° / 42°0
66 °
Inverness, Thursday, 22 October
Mostly clear. High 66°, low 42°.
Pressure29.91 inHg
Wind2.3 mph S
Humidity62%
Visibility6.2 mi
Dew point46°
Fri, 2354° / 45°0.31
54 °
Inverness, Friday, 23 October
Light rain. High 54°, low 45°.
Pressure29.59 inHg
Wind10.6 mph W
Humidity96%
Visibility—
Dew point49°
Sat, 2445° / 38°0.06
45 °
Inverness, Saturday, 24 October
Light rain. High 45°, low 38°.
Pressure30.15 inHg
Wind9.2 mph W
Humidity53%
Visibility—
Dew point28°
Sun, 2542° / 34°0.03
42 °
Inverness, Sunday, 25 October
Snow. High 42°, low 34°.
Pressure30.12 inHg
Wind12.4 mph N
Humidity66%
Visibility—
Dew point27°
Mon, 2648° / 31°0
48 °
Inverness, Monday, 26 October
Clear. High 48°, low 31°.
Pressure30.09 inHg
Wind10 mph S
Humidity64%
Visibility—
Dew point30°
Tue, 2751° / 36°0
51 °
Inverness, Tuesday, 27 October
Partly cloudy. High 51°, low 36°.
Pressure29.83 inHg
Wind8.4 mph NE
Humidity53%
Visibility—
Dew point29°
Wed, 2848° / 37°0
48 °
Inverness, Wednesday, 28 October
Overcast. High 48°, low 37°.
Pressure29.62 inHg
Wind9.2 mph NE
Humidity61%
Visibility—
Dew point30°
Thu, 2943° / 29°0.15
43 °
Inverness, Thursday, 29 October
Snow. High 43°, low 29°.
Pressure29.53 inHg
Wind27.7 mph NW
Humidity94%
Visibility—
Dew point34°
Fri, 3037° / 23°0
37 °
Inverness, Friday, 30 October
Overcast. High 37°, low 23°.
Pressure29.94 inHg
Wind25 mph NW
Humidity42%
Visibility—
Dew point10°
Sat, 3145° / 28°0
45 °
Inverness, Saturday, 31 October
Overcast. High 45°, low 28°.
Pressure29.85 inHg
Wind21.9 mph W
Humidity50%
Visibility—
Dew point19°
Sun, 0150° / 30°0
50 °
Inverness, Sunday, 1 November
Overcast. High 50°, low 30°.
Pressure29.68 inHg
Wind33 mph W
Humidity52%
Visibility—
Dew point26°
Mon, 0247° / 36°0.02
47 °
Inverness, Monday, 2 November
Light rain. High 47°, low 36°.
Pressure29.44 inHg
Wind15.2 mph SW
Humidity42%
Visibility—
Dew point25°
Tue, 0334° / 31°0.04
34 °
Inverness, Tuesday, 3 November
Light snow. High 34°, low 31°.
Pressure29.85 inHg
Wind19.7 mph N
Humidity73%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 0447° / 31°0.03
47 °
Inverness, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high47°
Average low31°
Average precipitation0.03 in
Chance of precipitation17%
Record high67° (2001)
Record low5° (2003)
Thu, 0546° / 29°0.03
46 °
Inverness, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.03 in
Chance of precipitation22%
Record high68° (2010)
Record low-8° (2003)
Fri, 0644° / 28°0.02
44 °
Inverness, Friday, 6 November
Climate normal for this date — 60-year average.
Average high44°
Average low28°
Average precipitation0.02 in
Chance of precipitation15%
Record high67° (2010)
Record low2° (2003)
Sat, 0744° / 28°0.02
44 °
Inverness, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high44°
Average low28°
Average precipitation0.02 in
Chance of precipitation22%
Record high70° (2010)
Record low-6° (1973)
Sun, 0843° / 27°0.04
43 °
Inverness, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high43°
Average low27°
Average precipitation0.04 in
Chance of precipitation23%
Record high59° (1999)
Record low-1° (1973)
Mon, 0942° / 26°0.04
42 °
Inverness, Monday, 9 November
Climate normal for this date — 60-year average.
Average high42°
Average low26°
Average precipitation0.04 in
Chance of precipitation23%
Record high62° (1961)
Record low-7° (2022)
Tue, 1040° / 25°0.03
40 °
Inverness, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.03 in
Chance of precipitation22%
Record high63° (2025)
Record low-1° (2022)
Wed, 1140° / 23°0.02
40 °
Inverness, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high40°
Average low23°
Average precipitation0.02 in
Chance of precipitation25%
Record high64° (1990)
Record low-9° (2012)
Thu, 1242° / 25°0.02
42 °
Inverness, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.02 in
Chance of precipitation12%
Record high71° (1999)
Record low-8° (2014)
Fri, 1342° / 27°0.01
42 °
Inverness, Friday, 13 November
Climate normal for this date — 60-year average.
Average high42°
Average low27°
Average precipitation0.01 in
Chance of precipitation8%
Record high66° (2025)
Record low-2° (2014)
Sat, 1442° / 26°0.03
42 °
Inverness, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high42°
Average low26°
Average precipitation0.03 in
Chance of precipitation17%
Record high65° (1999)
Record low-6° (2014)
Sun, 1542° / 25°0.01
42 °
Inverness, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.01 in
Chance of precipitation7%
Record high63° (2001)
Record low-8° (2014)
Mon, 1642° / 27°0.03
42 °
Inverness, Monday, 16 November
Climate normal for this date — 60-year average.
Average high42°
Average low27°
Average precipitation0.03 in
Chance of precipitation8%
Record high61° (2001)
Record low5° (1988)
Tue, 1739° / 24°0.04
39 °
Inverness, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high39°
Average low24°
Average precipitation0.04 in
Chance of precipitation20%
Record high61° (1976)
Record low-3° (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 Inverness, 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 Inverness, 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.