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As of 10:57 MDT

Weather in Grannis, MT

52°Current weather

Grannis, Sunday, 18 October, 10:57

Clear. Feels like 49°. High 63°, low 37°.

Pressure30.12 inHg
Wind11.5 mph E
Humidity40%
Visibility6.2 mi
Dew point29°

10-day forecast for Grannis, MT: 31° to 70°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

70°
Best day: Monday, October 19
51° · 0.94 in
Worst day: Friday, October 23

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1970° / 36°0Overcast
MorningClear36°feels 36°
AfternoonOvercast65°feels 62°
EveningClear52°feels 49°
OvernightClear40°feels 40°
70 °Overcast

Grannis, Monday, 19 October

Overcast. High 70°, low 36°.

Pressure29.94 inHg
Wind1.7 mph S
Humidity34%
Visibility6.2 mi
Dew point32°
Tue, 2065° / 41°0Partly cloudy
MorningPartly cloudy41°feels 41°
AfternoonPartly cloudy64°feels 62°
EveningMostly clear50°feels 50°
OvernightPartly cloudy45°feels 45°
65 °Partly cloudy

Grannis, Tuesday, 20 October

Partly cloudy. High 65°, low 41°.

Pressure30.03 inHg
Wind2.1 mph NW
Humidity33%
Visibility6.2 mi
Dew point30°
Wed, 2161° / 38°0Partly cloudy
MorningClear38°feels 38°
AfternoonMostly clear59°feels 57°
EveningPartly cloudy51°feels 50°
OvernightClear42°feels 40°
61 °Partly cloudy

Grannis, Wednesday, 21 October

Partly cloudy. High 61°, low 38°.

Pressure30.12 inHg
Wind4.7 mph S
Humidity59%
Visibility6.2 mi
Dew point40°
Thu, 2269° / 43°0Mostly clear
MorningOvercast45°feels 45°
AfternoonMostly clear62°feels 60°
EveningMostly clear61°feels 59°
OvernightMostly clear45°feels 45°
69 °Mostly clear

Grannis, Thursday, 22 October

Mostly clear. High 69°, low 43°.

Pressure29.83 inHg
Wind11.5 mph S
Humidity43%
Visibility—
Dew point37°
Fri, 2351° / 38°0.94Rain
MorningRain46°feels 42°
AfternoonRain41°feels 36°
EveningRain41°feels 37°
OvernightRain40°feels 37°
51 °Rain

Grannis, Friday, 23 October

Rain. High 51°, low 38°.

Pressure29.80 inHg
Wind10.4 mph NW
Humidity94%
Visibility—
Dew point40°
Sat, 2448° / 31°0Partly cloudy
MorningPartly cloudy34°feels 31°
AfternoonPartly cloudy42°feels 41°
EveningPartly cloudy44°feels 41°
OvernightPartly cloudy38°feels 37°
48 °Partly cloudy

Grannis, Saturday, 24 October

Partly cloudy. High 48°, low 31°.

Pressure30.36 inHg
Wind5.5 mph SE
Humidity63%
Visibility—
Dew point28°
Sun, 2561° / 37°0Overcast
MorningOvercast42°feels 38°
AfternoonOvercast53°feels 51°
EveningOvercast51°feels 48°
OvernightOvercast43°feels 40°
61 °Overcast

Grannis, Sunday, 25 October

Overcast. High 61°, low 37°.

Pressure30.03 inHg
Wind7.7 mph E
Humidity44%
Visibility—
Dew point30°
Mon, 2648° / 35°0Overcast
MorningOvercast38°feels 34°
AfternoonOvercast44°feels 38°
EveningOvercast43°feels 36°
OvernightOvercast39°feels 33°
48 °Overcast

Grannis, Monday, 26 October

Overcast. High 48°, low 35°.

Pressure30.00 inHg
Wind14.6 mph E
Humidity61%
Visibility—
Dew point30°
Tue, 2752° / 33°0.04Snow
MorningSnow38°feels 37°
AfternoonSnow48°feels 46°
EveningSnow38°feels 30°
OvernightSnow35°feels 28°
52 °Snow

Grannis, Tuesday, 27 October

Snow. High 52°, low 33°.

Pressure29.65 inHg
Wind15.3 mph S
Humidity47%
Visibility—
Dew point28°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Grannis, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.