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As of 21:21 MDT

Weather in Sunnyside, MT

39°Current weather

Sunnyside, Tuesday, 20 October, 21:21

Overcast. Feels like 39°. High 57°, low 30°.

Pressure30.12 inHg
Wind0.3 mph W
Humidity71%
Visibility6.2 mi
Dew point30°
Wed, 2162° / 31°0Clear
62 °Clear

Sunnyside, Wednesday, 21 October

Clear. High 62°, low 31°.

Pressure30.03 inHg
Wind3.1 mph S
Humidity48%
Visibility6.2 mi
Dew point34°
Thu, 2259° / 35°0.03Light rain
59 °Light rain

Sunnyside, Thursday, 22 October

Light rain. High 59°, low 35°.

Pressure29.88 inHg
Wind2.9 mph SE
Humidity56%
Visibility6.2 mi
Dew point39°
Fri, 2343° / 30°0.54Snow
43 °Snow

Sunnyside, Friday, 23 October

Snow. High 43°, low 30°.

Pressure29.85 inHg
Wind7.7 mph W
Humidity96%
Visibility0.6 mi
Dew point38°
Sat, 2440° / 18°0.01Light snow
40 °Light snow

Sunnyside, Saturday, 24 October

Light snow. High 40°, low 18°.

Pressure30.36 inHg
Wind2.6 mph SE
Humidity81%
Visibility6.2 mi
Dew point20°
Sun, 2546° / 29°0Clear
46 °Clear

Sunnyside, Sunday, 25 October

Clear. High 46°, low 29°.

Pressure30.24 inHg
Wind3.2 mph E
Humidity58%
Visibility—
Dew point28°
Mon, 2648° / 26°0Clear
48 °Clear

Sunnyside, Monday, 26 October

Clear. High 48°, low 26°.

Pressure30.33 inHg
Wind4 mph W
Humidity61%
Visibility—
Dew point28°
Tue, 2755° / 33°0Mostly clear
55 °Mostly clear

Sunnyside, Tuesday, 27 October

Mostly clear. High 55°, low 33°.

Pressure30.15 inHg
Wind7 mph W
Humidity37%
Visibility—
Dew point23°
Wed, 2846° / 33°0Overcast
46 °Overcast

Sunnyside, Wednesday, 28 October

Overcast. High 46°, low 33°.

Pressure30.24 inHg
Wind3.5 mph SE
Humidity59%
Visibility—
Dew point28°
Thu, 2954° / 35°0Clear
54 °Clear

Sunnyside, Thursday, 29 October

Clear. High 54°, low 35°.

Pressure30.00 inHg
Wind7.6 mph W
Humidity42%
Visibility—
Dew point26°
Fri, 3050° / 33°0Overcast
50 °Overcast

Sunnyside, Friday, 30 October

Overcast. High 50°, low 33°.

Pressure29.65 inHg
Wind15.4 mph W
Humidity31%
Visibility—
Dew point19°
Sat, 3147° / 32°0Partly cloudy
47 °Partly cloudy

Sunnyside, Saturday, 31 October

Partly cloudy. High 47°, low 32°.

Pressure29.68 inHg
Wind9.7 mph W
Humidity27%
Visibility—
Dew point10°
Sun, 0154° / 33°0Clear
54 °Clear

Sunnyside, Sunday, 1 November

Clear. High 54°, low 33°.

Pressure29.91 inHg
Wind7.4 mph W
Humidity37%
Visibility—
Dew point22°
Mon, 0258° / 37°0Overcast
58 °Overcast

Sunnyside, Monday, 2 November

Overcast. High 58°, low 37°.

Pressure30.09 inHg
Wind9.3 mph SW
Humidity44%
Visibility—
Dew point29°
Tue, 0361° / 48°0Overcast
61 °Overcast

Sunnyside, Tuesday, 3 November

Overcast. High 61°, low 48°.

Pressure30.21 inHg
Wind8.7 mph SW
Humidity63%
Visibility—
Dew point41°
Wed, 0462° / 46°0Partly cloudy
62 °Partly cloudy

Sunnyside, Wednesday, 4 November

Partly cloudy. High 62°, low 46°.

Pressure30.09 inHg
Wind7.6 mph W
Humidity40%
Visibility—
Dew point34°

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.