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As of 02:33 MDT

Weather in Keystone, MT

30°Current weather

Keystone, Friday, 16 October, 02:33

Partly cloudy. Feels like 30°. High 62°, low 29°.

Pressure30.53 inHg
Wind0.4 mph S
Humidity90%
Visibility6.2 mi
Dew point28°

10-day forecast for Keystone, MT: 22° to 64°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

64°
Best day: Thursday, October 22
43°
Worst day: Saturday, October 24

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

Sat, 1758° / 34°0Partly cloudy
MorningOvercast35°feels 35°
AfternoonPartly cloudy58°feels 55°
EveningMostly clear46°feels 46°
OvernightOvercast35°feels 35°
58 °Partly cloudy

Keystone, Saturday, 17 October

Partly cloudy. High 58°, low 34°.

Pressure30.03 inHg
Wind7.7 mph SW
Humidity30%
Visibility6.2 mi
Dew point31°
Sun, 1855° / 29°0Clear
MorningClear29°feels 29°
AfternoonClear53°feels 50°
EveningOvercast41°feels 41°
OvernightOvercast34°feels 34°
55 °Clear

Keystone, Sunday, 18 October

Clear. High 55°, low 29°.

Pressure30.12 inHg
Wind0.5 mph E
Humidity48%
Visibility6.2 mi
Dew point33°
Mon, 1960° / 31°0Overcast
MorningOvercast30°feels 30°
AfternoonOvercast57°feels 55°
EveningOvercast47°feels 47°
OvernightOvercast34°feels 34°
60 °Overcast

Keystone, Monday, 19 October

Overcast. High 60°, low 31°.

Pressure29.83 inHg
Wind1.3 mph N
Humidity53%
Visibility6.2 mi
Dew point37°
Tue, 2059° / 35°0Mostly clear
MorningMostly clear40°feels 39°
AfternoonMostly clear53°feels 50°
EveningMostly clear53°feels 51°
OvernightOvercast36°feels 36°
59 °Mostly clear

Keystone, Tuesday, 20 October

Mostly clear. High 59°, low 35°.

Pressure29.88 inHg
Wind2.9 mph NE
Humidity52%
Visibility—
Dew point33°
Wed, 2160° / 35°0Partly cloudy
MorningPartly cloudy40°feels 39°
AfternoonPartly cloudy53°feels 50°
EveningPartly cloudy51°feels 48°
OvernightPartly cloudy39°feels 37°
60 °Partly cloudy

Keystone, Wednesday, 21 October

Partly cloudy. High 60°, low 35°.

Pressure30.00 inHg
Wind3.3 mph S
Humidity54%
Visibility—
Dew point34°
Thu, 2264° / 33°0Mostly clear
MorningMostly clear40°feels 37°
AfternoonMostly clear56°feels 53°
EveningMostly clear52°feels 49°
OvernightMostly clear40°feels 39°
64 °Mostly clear

Keystone, Thursday, 22 October

Mostly clear. High 64°, low 33°.

Pressure29.88 inHg
Wind6.7 mph W
Humidity29%
Visibility—
Dew point22°
Fri, 2345° / 29°0Partly cloudy
MorningPartly cloudy40°feels 36°
AfternoonPartly cloudy44°feels 40°
EveningPartly cloudy37°feels 33°
OvernightPartly cloudy31°feels 27°
45 °Partly cloudy

Keystone, Friday, 23 October

Partly cloudy. High 45°, low 29°.

Pressure29.91 inHg
Wind9 mph W
Humidity40%
Visibility—
Dew point21°
Sat, 2443° / 24°0Partly cloudy
MorningPartly cloudy29°feels 29°
AfternoonPartly cloudy39°feels 38°
EveningPartly cloudy36°feels 35°
OvernightPartly cloudy27°feels 27°
43 °Partly cloudy

Keystone, Saturday, 24 October

Partly cloudy. High 43°, low 24°.

Pressure30.33 inHg
Wind3.4 mph N
Humidity47%
Visibility—
Dew point19°
Sun, 2548° / 22°0Overcast
MorningOvercast27°feels 24°
AfternoonOvercast41°feels 40°
EveningOvercast40°feels 36°
OvernightOvercast29°feels 25°
48 °Overcast

Keystone, Sunday, 25 October

Overcast. High 48°, low 22°.

Pressure30.27 inHg
Wind4.7 mph SW
Humidity35%
Visibility—
Dew point13°

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 Keystone, 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.