Monthly outlook for Lodge Grass, MT: average high 58.2°, average low 39.2°. That is 2.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 22 October (74.2°), the coolest 1 November (31.9°).
58.2°/39.2°
Average high / low
+2.6°
Above normal
2 / 4
Wet days / normal
0.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
21 October – 30 October
59.2°
55.2°
+2.2°
31 October – 9 November
56.5°
49.7°
+3.8°
10 November – 19 November
at normal
45.8°
—
October records over 66 years
90°1 October 2011All-time high
-17.7°30 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Forty Mile Colony (2 mi).
Thu, 2274° / 42°0
74 °
Lodge Grass, Thursday, 22 October
Clear. High 74°, low 42°.
Pressure29.91 inHg
Wind1.4 mph NE
Humidity39%
Visibility6.2 mi
Dew point43°
Fri, 2372° / 44°0.08
72 °
Lodge Grass, Friday, 23 October
Light rain. High 72°, low 44°.
Pressure29.59 inHg
Wind6.8 mph NW
Humidity46%
Visibility6.2 mi
Dew point47°
Sat, 2448° / 38°0
48 °
Lodge Grass, Saturday, 24 October
Clear. High 48°, low 38°.
Pressure30.42 inHg
Wind4.3 mph N
Humidity58%
Visibility6.2 mi
Dew point23°
Sun, 2550° / 36°0
50 °
Lodge Grass, Sunday, 25 October
Overcast. High 50°, low 36°.
Pressure30.27 inHg
Wind6.3 mph E
Humidity56%
Visibility—
Dew point30°
Mon, 2646° / 37°0
46 °
Lodge Grass, Monday, 26 October
Overcast. High 46°, low 37°.
Pressure30.47 inHg
Wind7.4 mph NW
Humidity77%
Visibility—
Dew point35°
Tue, 2766° / 39°0
66 °
Lodge Grass, Tuesday, 27 October
Overcast. High 66°, low 39°.
Pressure29.91 inHg
Wind7.9 mph N
Humidity27%
Visibility—
Dew point25°
Wed, 2845° / 38°0.01
45 °
Lodge Grass, Wednesday, 28 October
Light rain. High 45°, low 38°.
Pressure30.33 inHg
Wind8.9 mph NW
Humidity88%
Visibility—
Dew point37°
Thu, 2959° / 38°0
59 °
Lodge Grass, Thursday, 29 October
Partly cloudy. High 59°, low 38°.
Pressure30.03 inHg
Wind6 mph SE
Humidity38%
Visibility—
Dew point27°
Fri, 3061° / 45°0
61 °
Lodge Grass, Friday, 30 October
Overcast. High 61°, low 45°.
Pressure29.56 inHg
Wind6.5 mph N
Humidity35%
Visibility—
Dew point30°
Sat, 3151° / 36°0.25
51 °
Lodge Grass, Saturday, 31 October
Snow. High 51°, low 36°.
Pressure29.62 inHg
Wind20.8 mph NW
Humidity78%
Visibility—
Dew point37°
Sun, 0151° / 32°0
51 °
Lodge Grass, Sunday, 1 November
Clear. High 51°, low 32°.
Pressure30.09 inHg
Wind9.1 mph S
Humidity48%
Visibility—
Dew point26°
Mon, 0257° / 38°0
57 °
Lodge Grass, Monday, 2 November
Overcast. High 57°, low 38°.
Pressure30.12 inHg
Wind4.8 mph SE
Humidity28%
Visibility—
Dew point19°
Tue, 0360° / 40°0
60 °
Lodge Grass, Tuesday, 3 November
Overcast. High 60°, low 40°.
Pressure30.06 inHg
Wind8 mph S
Humidity27%
Visibility—
Dew point20°
Wed, 0458° / 41°0
58 °
Lodge Grass, Wednesday, 4 November
Partly cloudy. High 58°, low 41°.
Pressure29.80 inHg
Wind6.2 mph S
Humidity24%
Visibility—
Dew point17°
Thu, 0561° / 43°0.01
61 °
Lodge Grass, Thursday, 5 November
Light rain. High 61°, low 43°.
Pressure29.41 inHg
Wind15.6 mph W
Humidity28%
Visibility—
Dew point23°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 0650° / 29°0.05
50 °
Lodge Grass, Friday, 6 November
Climate normal for this date — 60-year average.
Average high50°
Average low29°
Average precipitation0.05 in
Chance of precipitation20%
Record high73° (2010)
Record low0° (2003)
Sat, 0749° / 29°0.04
49 °
Lodge Grass, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high49°
Average low29°
Average precipitation0.04 in
Chance of precipitation23%
Record high75° (1999)
Record low6° (2017)
Sun, 0848° / 28°0.04
48 °
Lodge Grass, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high48°
Average low28°
Average precipitation0.04 in
Chance of precipitation28%
Record high74° (1999)
Record low4° (2000)
Mon, 0946° / 27°0.07
46 °
Lodge Grass, Monday, 9 November
Climate normal for this date — 60-year average.
Average high46°
Average low27°
Average precipitation0.07 in
Chance of precipitation23%
Record high68° (2001)
Record low-9° (1966)
Tue, 1046° / 26°0.06
46 °
Lodge Grass, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high46°
Average low26°
Average precipitation0.06 in
Chance of precipitation28%
Record high68° (2007)
Record low-21° (1986)
Wed, 1144° / 25°0.03
44 °
Lodge Grass, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high44°
Average low25°
Average precipitation0.03 in
Chance of precipitation17%
Record high66° (1999)
Record low-7° (1986)
Thu, 1247° / 25°0.03
47 °
Lodge Grass, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high47°
Average low25°
Average precipitation0.03 in
Chance of precipitation23%
Record high76° (1999)
Record low-11° (1986)
Fri, 1347° / 27°0.05
47 °
Lodge Grass, Friday, 13 November
Climate normal for this date — 60-year average.
Average high47°
Average low27°
Average precipitation0.05 in
Chance of precipitation25%
Record high72° (2025)
Record low-12° (1986)
Sat, 1446° / 27°0.05
46 °
Lodge Grass, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high46°
Average low27°
Average precipitation0.05 in
Chance of precipitation25%
Record high72° (2025)
Record low-4° (1978)
Sun, 1547° / 26°0.04
47 °
Lodge Grass, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high47°
Average low26°
Average precipitation0.04 in
Chance of precipitation20%
Record high70° (2021)
Record low-5° (1964)
Mon, 1647° / 27°0.03
47 °
Lodge Grass, Monday, 16 November
Climate normal for this date — 60-year average.
Average high47°
Average low27°
Average precipitation0.03 in
Chance of precipitation15%
Record high66° (2001)
Record low-7° (2014)
Tue, 1746° / 26°0.06
46 °
Lodge Grass, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high46°
Average low26°
Average precipitation0.06 in
Chance of precipitation27%
Record high65° (2020)
Record low0° (1961)
Wed, 1845° / 25°0.07
45 °
Lodge Grass, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high45°
Average low25°
Average precipitation0.07 in
Chance of precipitation33%
Record high67° (2008)
Record low-5° (2022)
Thu, 1943° / 24°0.03
43 °
Lodge Grass, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high43°
Average low24°
Average precipitation0.03 in
Chance of precipitation18%
Record high63° (2003)
Record low-6° (1985)
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 Lodge Grass, 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 Lodge Grass, 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.