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As of 15:23 MDT

Weather in Sun River, MT

86°Current weather

Sun River, Saturday, 8 August, 15:23

Clear. Feels like 83°. High 86°, low 52°.

Pressure29.77 inHg
Wind8.1 mph E
Humidity20%
Visibility6.2 mi
Dew point39°
Sun, 0981° / 53°0Clear
81 °Clear

Sun River, Sunday, 9 August

Clear. High 81°, low 53°.

Pressure29.94 inHg
Wind9.1 mph N
Humidity35%
Visibility6.2 mi
Dew point46°
Mon, 1089° / 48°0Clear
89 °Clear

Sun River, Monday, 10 August

Clear. High 89°, low 48°.

Pressure29.83 inHg
Wind5.1 mph N
Humidity26%
Visibility6.2 mi
Dew point42°
Tue, 1185° / 55°0Clear
85 °Clear

Sun River, Tuesday, 11 August

Clear. High 85°, low 55°.

Pressure29.97 inHg
Wind6.2 mph N
Humidity34%
Visibility6.2 mi
Dew point44°
Wed, 1285° / 59°0Partly cloudy
85 °Partly cloudy

Sun River, Wednesday, 12 August

Partly cloudy. High 85°, low 59°.

Pressure29.88 inHg
Wind9.5 mph N
Humidity29%
Visibility6.2 mi
Dew point44°
Thu, 1386° / 55°0Partly cloudy
86 °Partly cloudy

Sun River, Thursday, 13 August

Partly cloudy. High 86°, low 55°.

Pressure29.85 inHg
Wind11.7 mph E
Humidity40%
Visibility—
Dew point45°
Fri, 1483° / 62°0Partly cloudy
83 °Partly cloudy

Sun River, Friday, 14 August

Partly cloudy. High 83°, low 62°.

Pressure29.91 inHg
Wind17 mph NE
Humidity37%
Visibility—
Dew point47°
Sat, 1581° / 59°0Overcast
81 °Overcast

Sun River, Saturday, 15 August

Overcast. High 81°, low 59°.

Pressure30.03 inHg
Wind8 mph NE
Humidity46%
Visibility—
Dew point47°
Sun, 1693° / 58°0.01Light rain
93 °Light rain

Sun River, Sunday, 16 August

Light rain. High 93°, low 58°.

Pressure29.91 inHg
Wind15.2 mph W
Humidity17%
Visibility—
Dew point34°
Mon, 1794° / 60°0Partly cloudy
94 °Partly cloudy

Sun River, Monday, 17 August

Partly cloudy. High 94°, low 60°.

Pressure30.00 inHg
Wind10.2 mph NW
Humidity18%
Visibility—
Dew point34°
Tue, 1886° / 61°0.03Light rain
86 °Light rain

Sun River, Tuesday, 18 August

Light rain. High 86°, low 61°.

Pressure29.88 inHg
Wind14.8 mph N
Humidity21%
Visibility—
Dew point39°
Wed, 1988° / 55°0Mostly clear
88 °Mostly clear

Sun River, Wednesday, 19 August

Mostly clear. High 88°, low 55°.

Pressure30.00 inHg
Wind11.2 mph E
Humidity30%
Visibility—
Dew point42°
Thu, 2095° / 61°0Overcast
95 °Overcast

Sun River, Thursday, 20 August

Overcast. High 95°, low 61°.

Pressure29.85 inHg
Wind12.3 mph NW
Humidity18%
Visibility—
Dew point35°
Fri, 2190° / 67°0Clear
90 °Clear

Sun River, Friday, 21 August

Clear. High 90°, low 67°.

Pressure29.94 inHg
Wind13.8 mph NE
Humidity28%
Visibility—
Dew point45°
Sat, 2293° / 64°0Overcast
93 °Overcast

Sun River, Saturday, 22 August

Overcast. High 93°, low 64°.

Pressure29.91 inHg
Wind16.4 mph NE
Humidity27%
Visibility—
Dew point45°
Sun, 2390° / 64°0Mostly clear
90 °Mostly clear

Sun River, Sunday, 23 August

Mostly clear. High 90°, low 64°.

Pressure30.03 inHg
Wind13.2 mph NE
Humidity29%
Visibility—
Dew point46°

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 Sun River, 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 Sun River, 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.