As of 17:14 MDT

Weather in Grannis, MT

72°Current weather

Grannis, Monday, 19 October, 17:14

Clear. Feels like 70°. High 72°, low 35°.

Pressure29.94 inHg
Wind9.2 mph SW
Humidity17%
Visibility6.2 mi
Dew point28°

10-day forecast for Grannis, MT: 26° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

72°
Best day: Monday, October 19
50° · 0.73 in
Worst day: Friday, October 23

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

Tue, 2065° / 40°0Overcast
MorningMostly clear41°feels 41°
AfternoonOvercast63°feels 60°
EveningPartly cloudy54°feels 52°
OvernightOvercast45°feels 45°
65 °Overcast

Grannis, Tuesday, 20 October

Overcast. High 65°, low 40°.

Pressure30.06 inHg
Wind1.8 mph NW
Humidity33%
Visibility6.2 mi
Dew point30°
Wed, 2164° / 39°0.01Light rain
MorningClear39°feels 39°
AfternoonPartly cloudy63°feels 61°
EveningClear52°feels 50°
OvernightClear43°feels 42°
64 °Light rain

Grannis, Wednesday, 21 October

Light rain. High 64°, low 39°.

Pressure30.06 inHg
Wind2.8 mph SE
Humidity53%
Visibility6.2 mi
Dew point39°
Thu, 2268° / 44°0Partly cloudy
MorningClear44°feels 44°
AfternoonOvercast67°feels 65°
EveningOvercast55°feels 53°
OvernightClear47°feels 47°
68 °Partly cloudy

Grannis, Thursday, 22 October

Partly cloudy. High 68°, low 44°.

Pressure29.88 inHg
Wind2.4 mph SE
Humidity45%
Visibility6.2 mi
Dew point40°
Fri, 2350° / 40°0.73Rain
MorningLight rain48°feels 48°
AfternoonLight rain49°feels 47°
EveningRain42°feels 39°
OvernightLight rain49°feels 49°
50 °Rain

Grannis, Friday, 23 October

Rain. High 50°, low 40°.

Pressure29.65 inHg
Wind0.5 mph SW
Humidity88%
Visibility2.5 mi
Dew point47°
Sat, 2452° / 36°0.06Light rain
MorningLight rain39°feels 39°
AfternoonLight rain47°feels 46°
EveningLight rain44°feels 43°
OvernightLight rain39°feels 39°
52 °Light rain

Grannis, Saturday, 24 October

Light rain. High 52°, low 36°.

Pressure30.12 inHg
Wind4.5 mph NE
Humidity58%
Visibility—
Dew point31°
Sun, 2558° / 33°0Clear
MorningClear38°feels 35°
AfternoonClear50°feels 47°
EveningClear48°feels 47°
OvernightClear38°feels 38°
58 °Clear

Grannis, Sunday, 25 October

Clear. High 58°, low 33°.

Pressure30.21 inHg
Wind5.8 mph SW
Humidity42%
Visibility—
Dew point26°
Mon, 2659° / 35°0Overcast
MorningOvercast40°feels 35°
AfternoonOvercast52°feels 48°
EveningOvercast44°feels 37°
OvernightOvercast35°feels 26°
59 °Overcast

Grannis, Monday, 26 October

Overcast. High 59°, low 35°.

Pressure30.15 inHg
Wind14.4 mph E
Humidity32%
Visibility—
Dew point22°
Tue, 2734° / 27°0Overcast
MorningOvercast29°feels 19°
AfternoonOvercast31°feels 23°
EveningOvercast31°feels 26°
OvernightOvercast29°feels 27°
34 °Overcast

Grannis, Tuesday, 27 October

Overcast. High 34°, low 27°.

Pressure30.62 inHg
Wind14.1 mph E
Humidity70%
Visibility—
Dew point22°
Wed, 2852° / 26°0Clear
MorningClear31°feels 30°
AfternoonClear42°feels 41°
EveningClear43°feels 41°
OvernightClear37°feels 37°
52 °Clear

Grannis, Wednesday, 28 October

Clear. High 52°, low 26°.

Pressure30.24 inHg
Wind4.8 mph E
Humidity51%
Visibility—
Dew point23°

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.