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As of 21:26 MDT

Weather in Grannis, MT

58°Current weather

Grannis, Friday, 16 October, 21:26

Mostly clear. Feels like 55°. High 63°, low 29°.

Pressure30.30 inHg
Wind21.9 mph W
Humidity28%
Visibility6.2 mi
Dew point29°

10-day forecast for Grannis, MT: 25° to 70°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

70°
Best day: Thursday, October 22
50° · 1.14 in
Worst day: Friday, October 23

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

Sat, 1768° / 40°0Overcast
MorningOvercast45°feels 45°
AfternoonOvercast67°feels 65°
EveningOvercast55°feels 53°
OvernightPartly cloudy43°feels 43°
68 °Overcast

Grannis, Saturday, 17 October

Overcast. High 68°, low 40°.

Pressure30.06 inHg
Wind4.3 mph W
Humidity30%
Visibility6.2 mi
Dew point27°
Sun, 1858° / 41°0Partly cloudy
MorningPartly cloudy41°feels 37°
AfternoonMostly clear57°feels 55°
EveningClear46°feels 44°
OvernightOvercast47°feels 47°
58 °Partly cloudy

Grannis, Sunday, 18 October

Partly cloudy. High 58°, low 41°.

Pressure30.12 inHg
Wind8 mph SE
Humidity43%
Visibility6.2 mi
Dew point32°
Mon, 1967° / 38°0Partly cloudy
MorningMostly clear39°feels 39°
AfternoonOvercast66°feels 64°
EveningMostly clear50°feels 47°
OvernightClear39°feels 39°
67 °Partly cloudy

Grannis, Monday, 19 October

Partly cloudy. High 67°, low 38°.

Pressure29.94 inHg
Wind1 mph SE
Humidity38%
Visibility6.2 mi
Dew point34°
Tue, 2064° / 42°0Overcast
MorningOvercast44°feels 44°
AfternoonOvercast63°feels 60°
EveningClear50°feels 50°
OvernightOvercast43°feels 43°
64 °Overcast

Grannis, Tuesday, 20 October

Overcast. High 64°, low 42°.

Pressure29.97 inHg
Wind3.4 mph NW
Humidity36%
Visibility6.2 mi
Dew point33°
Wed, 2156° / 37°0Light rain
MorningLight rain41°feels 41°
AfternoonLight rain52°feels 50°
EveningLight rain52°feels 50°
OvernightLight rain45°feels 45°
56 °Light rain

Grannis, Wednesday, 21 October

Light rain. High 56°, low 37°.

Pressure30.15 inHg
Wind6.1 mph SE
Humidity64%
Visibility—
Dew point38°
Thu, 2270° / 43°0Mostly clear
MorningMostly clear49°feels 48°
AfternoonMostly clear62°feels 60°
EveningMostly clear61°feels 59°
OvernightMostly clear54°feels 52°
70 °Mostly clear

Grannis, Thursday, 22 October

Mostly clear. High 70°, low 43°.

Pressure29.88 inHg
Wind6.6 mph SE
Humidity44%
Visibility—
Dew point37°
Fri, 2350° / 35°1.14Snow
MorningSnow40°feels 34°
AfternoonSnow36°feels 29°
EveningSnow35°feels 31°
OvernightSnow37°feels 35°
50 °Snow

Grannis, Friday, 23 October

Snow. High 50°, low 35°.

Pressure30.09 inHg
Wind10.8 mph NW
Humidity97%
Visibility—
Dew point36°
Sat, 2436° / 26°0Overcast
MorningOvercast28°feels 26°
AfternoonOvercast35°feels 26°
EveningOvercast32°feels 23°
OvernightOvercast28°feels 22°
36 °Overcast

Grannis, Saturday, 24 October

Overcast. High 36°, low 26°.

Pressure30.47 inHg
Wind14.3 mph E
Humidity68%
Visibility—
Dew point24°
Sun, 2540° / 25°0Overcast
MorningOvercast29°feels 29°
AfternoonOvercast34°feels 34°
EveningOvercast36°feels 35°
OvernightOvercast32°feels 28°
40 °Overcast

Grannis, Sunday, 25 October

Overcast. High 40°, low 25°.

Pressure30.24 inHg
Wind6.3 mph W
Humidity73%
Visibility—
Dew point25°

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.