As of 01:26 MDT

Weather in Rochester, MT

36°

Rochester, Wednesday, 21 October, 01:26

Clear. Feels like 36°. High 64°, low 33°.

Pressure30.15 inHg

Wind1.5 mph NE

Humidity74%

Visibility6.2 mi

Dew point28°

See detailed hourly forecast

Thu, 2260° / 35°

60 °

Rochester, Thursday, 22 October

Partly cloudy. High 60°, low 35°.

Pressure29.94 inHg

Wind6.7 mph S

Humidity61%

Visibility6.2 mi

Dew point41°

Fri, 2350° / 34°

0.66

50 °

Rochester, Friday, 23 October

Snow. High 50°, low 34°.

Pressure29.80 inHg

Wind9.6 mph N

Humidity95%

Visibility2.5 mi

Dew point42°

Sat, 2438° / 24°

0.01

38 °

Rochester, Saturday, 24 October

Light snow. High 38°, low 24°.

Pressure30.42 inHg

Wind4 mph S

Humidity93%

Visibility6.2 mi

Dew point25°

Sun, 2547° / 32°

47 °

Rochester, Sunday, 25 October

Clear. High 47°, low 32°.

Pressure30.24 inHg

Wind2.2 mph NE

Humidity63%

Visibility—

Dew point32°

Mon, 2646° / 28°

46 °

Rochester, Monday, 26 October

Clear. High 46°, low 28°.

Pressure30.42 inHg

Wind3.5 mph S

Humidity73%

Visibility—

Dew point31°

Tue, 2750° / 31°

50 °

Rochester, Tuesday, 27 October

Clear. High 50°, low 31°.

Pressure30.18 inHg

Wind3.9 mph SW

Humidity46%

Visibility—

Dew point23°

Wed, 2843° / 32°

43 °

Rochester, Wednesday, 28 October

Overcast. High 43°, low 32°.

Pressure30.30 inHg

Wind6.9 mph N

Humidity49%

Visibility—

Dew point21°

Thu, 2949° / 32°

49 °

Rochester, Thursday, 29 October

Clear. High 49°, low 32°.

Pressure30.03 inHg

Wind4.7 mph S

Humidity51%

Visibility—

Dew point26°

Fri, 3053° / 31°

53 °

Rochester, Friday, 30 October

Partly cloudy. High 53°, low 31°.

Pressure29.71 inHg

Wind15.1 mph W

Humidity43%

Visibility—

Dew point22°

Sat, 3147° / 34°

47 °

Rochester, Saturday, 31 October

Overcast. High 47°, low 34°.

Pressure29.68 inHg

Wind5.3 mph W

Humidity30%

Visibility—

Dew point13°

Sun, 0151° / 33°

51 °

Rochester, Sunday, 1 November

Clear. High 51°, low 33°.

Pressure29.94 inHg

Wind7.7 mph S

Humidity34%

Visibility—

Dew point18°

Mon, 0253° / 35°

53 °

Rochester, Monday, 2 November

Overcast. High 53°, low 35°.

Pressure30.18 inHg

Wind8.6 mph S

Humidity44%

Visibility—

Dew point23°

Tue, 0361° / 42°

61 °

Rochester, Tuesday, 3 November

Overcast. High 61°, low 42°.

Pressure30.21 inHg

Wind7.5 mph S

Humidity42%

Visibility—

Dew point31°

Wed, 0459° / 42°

59 °

Rochester, Wednesday, 4 November

Overcast. High 59°, low 42°.

Pressure30.12 inHg

Wind5.1 mph S

Humidity38%

Visibility—

Dew point27°

Thu, 0552° / 41°

52 °

Rochester, Thursday, 5 November

Overcast. High 52°, low 41°.

Pressure30.33 inHg

Wind2.9 mph N

Humidity39%

Visibility—

Dew point27°

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 Rochester, 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 Rochester, 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.