As of 23:01 MDT

Weather in Big Sandy, MT

50°Current weather

Big Sandy, Friday, 16 October, 23:01

Partly cloudy. Feels like 47°. High 72°, low 32°.

Pressure30.06 inHg
Wind8 mph SW
Humidity45%
Visibility6.2 mi
Dew point30°

Monthly outlook for Big Sandy, MT: average high 57.5°, average low 37.9°. That is 1.7° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 17 October (73.1°), the coolest 16 October (31.7°).

57.5°/37.9°
Average high / low
+1.7°
Above normal
0 / 3
Wet days / normal
0.0 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
16 October – 25 October60.5°56.5°+2.2°
26 October – 4 November52.6°49.9°+1.5°
5 November – 14 Novemberat normal44.4°—

October records over 66 years

87.3°1 October 2011All-time high
-12.6°30 October 1991All-time low
Sat, 1773° / 44°0Overcast
73 °Overcast

Big Sandy, Saturday, 17 October

Overcast. High 73°, low 44°.

Pressure29.88 inHg
Wind11.1 mph S
Humidity29%
Visibility6.2 mi
Dew point34°
Sun, 1861° / 38°0Clear
61 °Clear

Big Sandy, Sunday, 18 October

Clear. High 61°, low 38°.

Pressure30.15 inHg
Wind3.5 mph S
Humidity47%
Visibility6.2 mi
Dew point36°
Mon, 1961° / 35°0Partly cloudy
61 °Partly cloudy

Big Sandy, Monday, 19 October

Partly cloudy. High 61°, low 35°.

Pressure29.94 inHg
Wind3.2 mph N
Humidity54%
Visibility6.2 mi
Dew point36°
Tue, 2057° / 39°0Overcast
57 °Overcast

Big Sandy, Tuesday, 20 October

Overcast. High 57°, low 39°.

Pressure30.09 inHg
Wind8.2 mph N
Humidity63%
Visibility6.2 mi
Dew point40°
Wed, 2164° / 37°0Clear
64 °Clear

Big Sandy, Wednesday, 21 October

Clear. High 64°, low 37°.

Pressure30.12 inHg
Wind9.8 mph SE
Humidity56%
Visibility—
Dew point38°
Thu, 2268° / 46°0Overcast
68 °Overcast

Big Sandy, Thursday, 22 October

Overcast. High 68°, low 46°.

Pressure29.85 inHg
Wind13.9 mph N
Humidity52%
Visibility—
Dew point41°
Fri, 2352° / 41°0.04Light rain
52 °Light rain

Big Sandy, Friday, 23 October

Light rain. High 52°, low 41°.

Pressure30.09 inHg
Wind19.4 mph NW
Humidity53%
Visibility—
Dew point28°
Sat, 2448° / 33°0Partly cloudy
48 °Partly cloudy

Big Sandy, Saturday, 24 October

Partly cloudy. High 48°, low 33°.

Pressure30.50 inHg
Wind11.3 mph SE
Humidity33%
Visibility—
Dew point15°
Sun, 2549° / 36°0Partly cloudy
49 °Partly cloudy

Big Sandy, Sunday, 25 October

Partly cloudy. High 49°, low 36°.

Pressure30.18 inHg
Wind14.8 mph SE
Humidity43%
Visibility—
Dew point23°
Mon, 2650° / 37°0Overcast
50 °Overcast

Big Sandy, Monday, 26 October

Overcast. High 50°, low 37°.

Pressure30.15 inHg
Wind6.8 mph NW
Humidity43%
Visibility—
Dew point22°
Tue, 2755° / 37°0Clear
55 °Clear

Big Sandy, Tuesday, 27 October

Clear. High 55°, low 37°.

Pressure30.09 inHg
Wind8.1 mph SE
Humidity44%
Visibility—
Dew point27°
Wed, 2850° / 39°0Mostly clear
50 °Mostly clear

Big Sandy, Wednesday, 28 October

Mostly clear. High 50°, low 39°.

Pressure30.09 inHg
Wind13.9 mph N
Humidity41%
Visibility—
Dew point23°
Thu, 2945° / 36°0Overcast
45 °Overcast

Big Sandy, Thursday, 29 October

Overcast. High 45°, low 36°.

Pressure30.03 inHg
Wind11.7 mph SE
Humidity65%
Visibility—
Dew point30°
Fri, 3055° / 35°0Partly cloudy
55 °Partly cloudy

Big Sandy, Friday, 30 October

Partly cloudy. High 55°, low 35°.

Pressure30.03 inHg
Wind7.6 mph SE
Humidity47%
Visibility—
Dew point27°
Sat, 3161° / 41°0Clear
61 °Clear

Big Sandy, Saturday, 31 October

Clear. High 61°, low 41°.

Pressure30.03 inHg
Wind11.9 mph SW
Humidity38%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0148° / 31°0.02Climate normal
48 °Climate normal

Big Sandy, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high48°
Average low31°
Average precipitation0.02 in
Chance of precipitation15%
Record high72° (2025)
Record low-12° (1984)
Mon, 0248° / 31°0.02Climate normal
48 °Climate normal

Big Sandy, Monday, 2 November

Climate normal for this date — 60-year average.

Average high48°
Average low31°
Average precipitation0.02 in
Chance of precipitation15%
Record high66° (1978)
Record low-14° (1991)
Tue, 0349° / 31°0.03Climate normal
49 °Climate normal

Big Sandy, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high49°
Average low31°
Average precipitation0.03 in
Chance of precipitation23%
Record high67° (1983)
Record low-6° (1991)
Wed, 0449° / 33°0.04Climate normal
49 °Climate normal

Big Sandy, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high49°
Average low33°
Average precipitation0.04 in
Chance of precipitation22%
Record high69° (1975)
Record low3° (2017)
Thu, 0548° / 31°0.05Climate normal
48 °Climate normal

Big Sandy, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high48°
Average low31°
Average precipitation0.05 in
Chance of precipitation22%
Record high69° (2020)
Record low-7° (2003)
Fri, 0646° / 29°0.02Climate normal
46 °Climate normal

Big Sandy, Friday, 6 November

Climate normal for this date — 60-year average.

Average high46°
Average low29°
Average precipitation0.02 in
Chance of precipitation10%
Record high68° (2010)
Record low0° (2003)
Sat, 0746° / 30°0.02Climate normal
46 °Climate normal

Big Sandy, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high46°
Average low30°
Average precipitation0.02 in
Chance of precipitation23%
Record high72° (2010)
Record low-1° (1973)
Sun, 0845° / 29°0.05Climate normal
45 °Climate normal

Big Sandy, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high45°
Average low29°
Average precipitation0.05 in
Chance of precipitation23%
Record high64° (1999)
Record low2° (1973)
Mon, 0943° / 27°0.04Climate normal
43 °Climate normal

Big Sandy, Monday, 9 November

Climate normal for this date — 60-year average.

Average high43°
Average low27°
Average precipitation0.04 in
Chance of precipitation20%
Record high65° (2001)
Record low2° (2022)
Tue, 1042° / 27°0.04Climate normal
42 °Climate normal

Big Sandy, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high42°
Average low27°
Average precipitation0.04 in
Chance of precipitation23%
Record high66° (2025)
Record low3° (2022)
Wed, 1142° / 25°0.03Climate normal
42 °Climate normal

Big Sandy, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high42°
Average low25°
Average precipitation0.03 in
Chance of precipitation23%
Record high66° (1990)
Record low-8° (2012)
Thu, 1244° / 27°0.03Climate normal
44 °Climate normal

Big Sandy, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high44°
Average low27°
Average precipitation0.03 in
Chance of precipitation13%
Record high73° (1999)
Record low-2° (1986)
Fri, 1344° / 28°0.02Climate normal
44 °Climate normal

Big Sandy, Friday, 13 November

Climate normal for this date — 60-year average.

Average high44°
Average low28°
Average precipitation0.02 in
Chance of precipitation17%
Record high70° (2025)
Record low1° (2014)
Sat, 1444° / 27°0.04Climate normal
44 °Climate normal

Big Sandy, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high44°
Average low27°
Average precipitation0.04 in
Chance of precipitation20%
Record high66° (1999)
Record low-3° (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 Big Sandy, 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 Big Sandy, 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.