As of 21:51 MST

Weather in Chelsea, MT

34°

Chelsea, Monday, 2 November, 21:51

Clear. Feels like 28°. High 49°, low 34°.

Pressure30.24 inHg

Wind6.9 mph W

Humidity93%

Visibility6.2 mi

Dew point32°

See detailed hourly forecast

Monthly outlook for Chelsea, MT: average high 53.6°, average low 36.6°. That is 6.1° above the climate normal for November. Precipitation is expected on 1 day (about 0.6 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 8 November (61.9°), the coolest 3 November (27.5°).

53.6°/36.6°

Average high / low

+6.1°

Above normal

1 / 3

Wet days / normal

0.6 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
2 November – 11 November	53.2°	43.8°	+5.2°
12 November – 21 November	54.3°	39.3°	+8.4°
22 November – 1 December	at normal	33.1°	—

November records over 66 years

73.8°12 November 1999All-time high

-29°27 November 1985All-time low

Climate normals and records are computed from the nearest reference point — Poplar (7 mi).

Tue, 0350° / 27°

50 °

Chelsea, Tuesday, 3 November

Clear. High 50°, low 27°.

Pressure30.18 inHg

Wind5.3 mph SW

Humidity55%

Visibility6.2 mi

Dew point30°

Wed, 0454° / 33°

54 °

Chelsea, Wednesday, 4 November

Clear. High 54°, low 33°.

Pressure30.00 inHg

Wind3.3 mph SW

Humidity53%

Visibility6.2 mi

Dew point34°

Thu, 0554° / 30°

54 °

Chelsea, Thursday, 5 November

Clear. High 54°, low 30°.

Pressure30.03 inHg

Wind2.6 mph SE

Humidity71%

Visibility6.2 mi

Dew point37°

Fri, 0656° / 35°

56 °

Chelsea, Friday, 6 November

Partly cloudy. High 56°, low 35°.

Pressure30.03 inHg

Wind8.7 mph SW

Humidity58%

Visibility6.2 mi

Dew point35°

Sat, 0752° / 33°

0.01

52 °

Chelsea, Saturday, 7 November

Light rain. High 52°, low 33°.

Pressure30.00 inHg

Wind21.3 mph W

Humidity47%

Visibility—

Dew point31°

Sun, 0862° / 34°

62 °

Chelsea, Sunday, 8 November

Partly cloudy. High 62°, low 34°.

Pressure29.88 inHg

Wind8.9 mph W

Humidity46%

Visibility—

Dew point32°

Mon, 0957° / 41°

57 °

Chelsea, Monday, 9 November

Clear. High 57°, low 41°.

Pressure30.03 inHg

Wind20.2 mph NW

Humidity36%

Visibility—

Dew point29°

Tue, 1046° / 37°

46 °

Chelsea, Tuesday, 10 November

Overcast. High 46°, low 37°.

Pressure30.39 inHg

Wind13.2 mph E

Humidity32%

Visibility—

Dew point14°

Wed, 1153° / 38°

53 °

Chelsea, Wednesday, 11 November

Overcast. High 53°, low 38°.

Pressure30.24 inHg

Wind8 mph SE

Humidity38%

Visibility—

Dew point22°

Thu, 1253° / 38°

53 °

Chelsea, Thursday, 12 November

Clear. High 53°, low 38°.

Pressure30.06 inHg

Wind6 mph E

Humidity45%

Visibility—

Dew point27°

Fri, 1354° / 39°

54 °

Chelsea, Friday, 13 November

Clear. High 54°, low 39°.

Pressure29.85 inHg

Wind15.4 mph SE

Humidity49%

Visibility—

Dew point30°

Sat, 1459° / 42°

59 °

Chelsea, Saturday, 14 November

Overcast. High 59°, low 42°.

Pressure29.68 inHg

Wind13.2 mph W

Humidity57%

Visibility—

Dew point37°

Sun, 1557° / 43°

57 °

Chelsea, Sunday, 15 November

Overcast. High 57°, low 43°.

Pressure29.65 inHg

Wind14.8 mph W

Humidity41%

Visibility—

Dew point28°

Mon, 1652° / 39°

52 °

Chelsea, Monday, 16 November

Clear. High 52°, low 39°.

Pressure29.97 inHg

Wind14.2 mph W

Humidity47%

Visibility—

Dew point28°

Tue, 1751° / 41°

0.02

51 °

Chelsea, Tuesday, 17 November

Light rain. High 51°, low 41°.

Pressure30.03 inHg

Wind11.9 mph SW

Humidity52%

Visibility—

Dew point30°

From day 17 onward the outlook is built from 60-year climate statistics

Wed, 1840° / 22°

0.03

40 °

Chelsea, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high40°

Average low22°

Average precipitation0.03 in

Chance of precipitation20%

Record high62° (2008)

Record low-6° (1996)

Thu, 1937° / 23°

0.02

37 °

Chelsea, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high37°

Average low23°

Average precipitation0.02 in

Chance of precipitation15%

Record high59° (1989)

Record low-5° (1978)

Fri, 2038° / 21°

0.02

38 °

Chelsea, Friday, 20 November

Climate normal for this date — 60-year average.

Average high38°

Average low21°

Average precipitation0.02 in

Chance of precipitation10%

Record high57° (1962)

Record low-13° (1978)

Sat, 2135° / 20°

0.01

35 °

Chelsea, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high35°

Average low20°

Average precipitation0.01 in

Chance of precipitation12%

Record high57° (1974)

Record low-17° (1996)

Sun, 2235° / 20°

0.02

35 °

Chelsea, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high35°

Average low20°

Average precipitation0.02 in

Chance of precipitation17%

Record high56° (2017)

Record low-9° (1977)

Mon, 2335° / 19°

0.02

35 °

Chelsea, Monday, 23 November

Climate normal for this date — 60-year average.

Average high35°

Average low19°

Average precipitation0.02 in

Chance of precipitation13%

Record high64° (2017)

Record low-21° (1985)

Tue, 2435° / 20°

0.02

35 °

Chelsea, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high35°

Average low20°

Average precipitation0.02 in

Chance of precipitation17%

Record high53° (2017)

Record low-21° (1985)

Wed, 2533° / 19°

0.03

33 °

Chelsea, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high33°

Average low19°

Average precipitation0.03 in

Chance of precipitation18%

Record high59° (1960)

Record low-19° (1996)

Thu, 2632° / 18°

0.02

32 °

Chelsea, Thursday, 26 November

Climate normal for this date — 60-year average.

Average high32°

Average low18°

Average precipitation0.02 in

Chance of precipitation13%

Record high59° (1998)

Record low-20° (1985)

Fri, 2731° / 17°

0.02

31 °

Chelsea, Friday, 27 November

Climate normal for this date — 60-year average.

Average high31°

Average low17°

Average precipitation0.02 in

Chance of precipitation8%

Record high52° (1963)

Record low-29° (1985)

Sat, 2833° / 18°

0.02

33 °

Chelsea, Saturday, 28 November

Climate normal for this date — 60-year average.

Average high33°

Average low18°

Average precipitation0.02 in

Chance of precipitation12%

Record high53° (2020)

Record low-20° (1985)

Sun, 2933° / 18°

0.02

33 °

Chelsea, Sunday, 29 November

Climate normal for this date — 60-year average.

Average high33°

Average low18°

Average precipitation0.02 in

Chance of precipitation17%

Record high49° (2021)

Record low-26° (1985)

Mon, 3032° / 18°

0.02

32 °

Chelsea, Monday, 30 November

Climate normal for this date — 60-year average.

Average high32°

Average low18°

Average precipitation0.02 in

Chance of precipitation15%

Record high50° (1999)

Record low-18° (2025)

Tue, 0132° / 17°

0.03

32 °

Chelsea, Tuesday, 1 December

Climate normal for this date — 60-year average.

Average high32°

Average low17°

Average precipitation0.03 in

Chance of precipitation17%

Record high64° (2021)

Record low-18° (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 Chelsea, 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 Chelsea, 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.