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As of 03:51 MDT

Weather in Sunnyside, MT

32°Current weather

Sunnyside, Wednesday, 21 October, 03:51

Clear. Feels like 32°. High 60°, low 31°.

Pressure30.12 inHg
Wind1.6 mph W
Humidity76%
Visibility6.2 mi
Dew point26°
Thu, 2262° / 33°0.05Light rain
62 °Light rain

Sunnyside, Thursday, 22 October

Light rain. High 62°, low 33°.

Pressure29.91 inHg
Wind3 mph SE
Humidity55%
Visibility6.2 mi
Dew point38°
Fri, 2344° / 29°0.74Snow
44 °Snow

Sunnyside, Friday, 23 October

Snow. High 44°, low 29°.

Pressure29.80 inHg
Wind2.8 mph NW
Humidity98%
Visibility1.8 mi
Dew point42°
Sat, 2438° / 20°0Mostly clear
38 °Mostly clear

Sunnyside, Saturday, 24 October

Mostly clear. High 38°, low 20°.

Pressure30.33 inHg
Wind3.2 mph E
Humidity92%
Visibility1.4 mi
Dew point25°
Sun, 2544° / 28°0Partly cloudy
44 °Partly cloudy

Sunnyside, Sunday, 25 October

Partly cloudy. High 44°, low 28°.

Pressure30.18 inHg
Wind2.6 mph E
Humidity65%
Visibility—
Dew point29°
Mon, 2646° / 28°0.5Snow
46 °Snow

Sunnyside, Monday, 26 October

Snow. High 46°, low 28°.

Pressure30.15 inHg
Wind2.6 mph E
Humidity66%
Visibility—
Dew point30°
Tue, 2733° / 20°0.09Light snow
33 °Light snow

Sunnyside, Tuesday, 27 October

Light snow. High 33°, low 20°.

Pressure30.24 inHg
Wind5.3 mph W
Humidity87%
Visibility—
Dew point26°
Wed, 2839° / 18°0Mostly clear
39 °Mostly clear

Sunnyside, Wednesday, 28 October

Mostly clear. High 39°, low 18°.

Pressure30.36 inHg
Wind5.2 mph W
Humidity87%
Visibility—
Dew point30°
Thu, 2945° / 26°0Overcast
45 °Overcast

Sunnyside, Thursday, 29 October

Overcast. High 45°, low 26°.

Pressure30.09 inHg
Wind5.7 mph W
Humidity84%
Visibility—
Dew point35°
Fri, 3049° / 31°0Clear
49 °Clear

Sunnyside, Friday, 30 October

Clear. High 49°, low 31°.

Pressure29.83 inHg
Wind6.8 mph W
Humidity78%
Visibility—
Dew point37°
Sat, 3151° / 35°0Overcast
51 °Overcast

Sunnyside, Saturday, 31 October

Overcast. High 51°, low 35°.

Pressure29.71 inHg
Wind6.4 mph W
Humidity75%
Visibility—
Dew point39°
Sun, 0149° / 34°0Partly cloudy
49 °Partly cloudy

Sunnyside, Sunday, 1 November

Partly cloudy. High 49°, low 34°.

Pressure29.83 inHg
Wind7.4 mph SW
Humidity75%
Visibility—
Dew point37°
Mon, 0247° / 35°0.36Snow
47 °Snow

Sunnyside, Monday, 2 November

Snow. High 47°, low 35°.

Pressure29.68 inHg
Wind6.5 mph SW
Humidity74%
Visibility—
Dew point37°
Tue, 0338° / 22°0.62Snow
38 °Snow

Sunnyside, Tuesday, 3 November

Snow. High 38°, low 22°.

Pressure30.15 inHg
Wind8.4 mph NE
Humidity93%
Visibility—
Dew point27°
Wed, 0427° / 20°0.14Light snow
27 °Light snow

Sunnyside, Wednesday, 4 November

Light snow. High 27°, low 20°.

Pressure30.33 inHg
Wind5.8 mph NE
Humidity79%
Visibility—
Dew point19°
Thu, 0533° / 21°0.01Light snow
33 °Light snow

Sunnyside, Thursday, 5 November

Light snow. High 33°, low 21°.

Pressure30.36 inHg
Wind3.6 mph NE
Humidity61%
Visibility—
Dew point19°

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 Sunnyside, 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 Sunnyside, 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.