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As of 18:16 MDT

Weather in Grannis, MT

88°Current weather

Grannis, Saturday, 8 August, 18:16

Clear. Feels like 84°. High 89°, low 57°.

Pressure29.71 inHg
Wind15.6 mph NW
Humidity20%
Visibility6.2 mi
Dew point40°

10-day forecast for Grannis, MT: 53° to 95°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

95°
Best day: Monday, August 10
84° · 0.07 in
Worst day: Saturday, August 15

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

Sun, 0987° / 55°0Clear
MorningClear63°feels 60°
AfternoonPartly cloudy85°feels 82°
EveningOvercast76°feels 74°
OvernightOvercast61°feels 58°
87 °Clear

Grannis, Sunday, 9 August

Clear. High 87°, low 55°.

Pressure29.83 inHg
Wind5 mph NW
Humidity11%
Visibility6.2 mi
Dew point25°
Mon, 1095° / 53°0Clear
MorningClear61°feels 59°
AfternoonClear93°feels 88°
EveningClear83°feels 81°
OvernightClear59°feels 57°
95 °Clear

Grannis, Monday, 10 August

Clear. High 95°, low 53°.

Pressure29.80 inHg
Wind4.8 mph NW
Humidity12%
Visibility6.2 mi
Dew point27°
Tue, 1193° / 56°0Clear
MorningClear66°feels 64°
AfternoonClear92°feels 88°
EveningClear82°feels 80°
OvernightClear61°feels 58°
93 °Clear

Grannis, Tuesday, 11 August

Clear. High 93°, low 56°.

Pressure29.88 inHg
Wind5.2 mph NW
Humidity10%
Visibility6.2 mi
Dew point23°
Wed, 1293° / 55°0Mostly clear
MorningPartly cloudy63°feels 61°
AfternoonClear90°feels 86°
EveningMostly clear87°feels 83°
OvernightPartly cloudy59°feels 56°
93 °Mostly clear

Grannis, Wednesday, 12 August

Mostly clear. High 93°, low 55°.

Pressure29.80 inHg
Wind3.4 mph E
Humidity17%
Visibility6.2 mi
Dew point34°
Thu, 1390° / 55°0Clear
MorningClear61°feels 60°
AfternoonClear80°feels 78°
EveningClear84°feels 81°
OvernightClear62°feels 60°
90 °Clear

Grannis, Thursday, 13 August

Clear. High 90°, low 55°.

Pressure29.85 inHg
Wind19 mph E
Humidity34%
Visibility—
Dew point45°
Fri, 1493° / 63°0Overcast
MorningOvercast73°feels 71°
AfternoonOvercast89°feels 85°
EveningOvercast88°feels 84°
OvernightOvercast74°feels 72°
93 °Overcast

Grannis, Friday, 14 August

Overcast. High 93°, low 63°.

Pressure29.80 inHg
Wind15.7 mph W
Humidity14%
Visibility—
Dew point31°
Sat, 1584° / 61°0.07Light rain
MorningLight rain65°feels 64°
AfternoonLight rain76°feels 75°
EveningLight rain74°feels 73°
OvernightLight rain62°feels 62°
84 °Light rain

Grannis, Saturday, 15 August

Light rain. High 84°, low 61°.

Pressure30.00 inHg
Wind13.9 mph E
Humidity35%
Visibility—
Dew point44°
Sun, 1691° / 55°0.01Light rain
MorningLight rain64°feels 63°
AfternoonLight rain86°feels 83°
EveningLight rain86°feels 83°
OvernightLight rain67°feels 66°
91 °Light rain

Grannis, Sunday, 16 August

Light rain. High 91°, low 55°.

Pressure29.97 inHg
Wind14.7 mph NW
Humidity20%
Visibility—
Dew point36°
Mon, 1793° / 58°0Partly cloudy
MorningPartly cloudy67°feels 64°
AfternoonPartly cloudy90°feels 86°
EveningPartly cloudy90°feels 85°
OvernightPartly cloudy73°feels 71°
93 °Partly cloudy

Grannis, Monday, 17 August

Partly cloudy. High 93°, low 58°.

Pressure29.97 inHg
Wind14.7 mph NW
Humidity11%
Visibility—
Dew point24°

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.