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As of 15:47 MDT

Weather in Sunnyside, MT

60°Current weather

Sunnyside, Monday, 19 October, 15:47

Partly cloudy. Feels like 58°. High 60°, low 30°.

Pressure29.88 inHg
Wind3.3 mph S
Humidity37%
Visibility6.2 mi
Dew point35°
Tue, 2061° / 33°0Partly cloudy
61 °Partly cloudy

Sunnyside, Tuesday, 20 October

Partly cloudy. High 61°, low 33°.

Pressure30.09 inHg
Wind2.7 mph SE
Humidity48%
Visibility6.2 mi
Dew point30°
Wed, 2158° / 33°0Overcast
58 °Overcast

Sunnyside, Wednesday, 21 October

Overcast. High 58°, low 33°.

Pressure30.03 inHg
Wind3.6 mph S
Humidity52%
Visibility6.2 mi
Dew point35°
Thu, 2258° / 39°0.04Light rain
58 °Light rain

Sunnyside, Thursday, 22 October

Light rain. High 58°, low 39°.

Pressure29.88 inHg
Wind3 mph E
Humidity61%
Visibility6.2 mi
Dew point40°
Fri, 2343° / 32°0.76Snow
43 °Snow

Sunnyside, Friday, 23 October

Snow. High 43°, low 32°.

Pressure29.83 inHg
Wind9.7 mph W
Humidity95%
Visibility1.4 mi
Dew point35°
Sat, 2443° / 23°0Clear
43 °Clear

Sunnyside, Saturday, 24 October

Clear. High 43°, low 23°.

Pressure30.15 inHg
Wind8.2 mph W
Humidity71%
Visibility—
Dew point27°
Sun, 2557° / 31°0Partly cloudy
57 °Partly cloudy

Sunnyside, Sunday, 25 October

Partly cloudy. High 57°, low 31°.

Pressure30.18 inHg
Wind8.6 mph SW
Humidity34%
Visibility—
Dew point21°
Mon, 2659° / 37°0Overcast
59 °Overcast

Sunnyside, Monday, 26 October

Overcast. High 59°, low 37°.

Pressure30.12 inHg
Wind7.4 mph SW
Humidity24%
Visibility—
Dew point17°
Tue, 2748° / 27°0Overcast
48 °Overcast

Sunnyside, Tuesday, 27 October

Overcast. High 48°, low 27°.

Pressure30.36 inHg
Wind4.5 mph SE
Humidity54%
Visibility—
Dew point23°
Wed, 2859° / 34°0Clear
59 °Clear

Sunnyside, Wednesday, 28 October

Clear. High 59°, low 34°.

Pressure30.09 inHg
Wind5.6 mph SW
Humidity30%
Visibility—
Dew point21°
Thu, 2957° / 40°0Overcast
57 °Overcast

Sunnyside, Thursday, 29 October

Overcast. High 57°, low 40°.

Pressure29.94 inHg
Wind7 mph SW
Humidity24%
Visibility—
Dew point17°
Fri, 3057° / 41°0Overcast
57 °Overcast

Sunnyside, Friday, 30 October

Overcast. High 57°, low 41°.

Pressure29.94 inHg
Wind11.5 mph SW
Humidity27%
Visibility—
Dew point20°
Sat, 3148° / 41°0.07Snow
48 °Snow

Sunnyside, Saturday, 31 October

Snow. High 48°, low 41°.

Pressure30.00 inHg
Wind7.4 mph SW
Humidity60%
Visibility—
Dew point34°
Sun, 0150° / 39°0Overcast
50 °Overcast

Sunnyside, Sunday, 1 November

Overcast. High 50°, low 39°.

Pressure30.15 inHg
Wind6 mph SW
Humidity64%
Visibility—
Dew point34°
Mon, 0255° / 37°0Overcast
55 °Overcast

Sunnyside, Monday, 2 November

Overcast. High 55°, low 37°.

Pressure29.85 inHg
Wind7.3 mph S
Humidity61%
Visibility—
Dew point33°
Tue, 0345° / 31°0.18Snow
45 °Snow

Sunnyside, Tuesday, 3 November

Snow. High 45°, low 31°.

Pressure29.71 inHg
Wind9 mph W
Humidity99%
Visibility—
Dew point40°

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.